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Title: Hakkō-ryū  
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Subject: GongKwon Yusul, Gendai budo, Jujutsu, Japanese martial arts, Daitō-ryū Aiki-jūjutsu
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Hakkō-ryu (八光流) or Hakkō-ryu Jujutsu (八光流柔術) is a school or 'style' of jujutsu related to Daito-ryu founded in 1941 by Okuyama Ryuho (1901–1987) a student of Sokaku Takeda and a practitioner of shiatsu.

The school is now headed by his son who inherited the name Nidai Soke Okuyama Ryuho. The headquarters or honbu dojo is located in Ōmiya-ku, Saitama, Saitama Prefecture.


  • Meaning of the name 1
  • School 2
    • Organization 2.1
  • Hakkoryu Koho Shiatsu 3
  • Famous students 4
  • References 5
  • Sources 6
  • External links 7

Meaning of the name

Hakkoryu comes from the Japanese language meaning "The Style of the Eighth Light," or specifically "eighth light school" In the color spectrum there are seven color bands. It was believed that there was also an eighth very narrow (barely visible) band: the Eighth Light. The "hidden theme" of which is,"from the faint and weak" in appearance comes surprising strength. Schools of Hakkoryu Jujutsu exercise strategies that avoid conflict as much as possible, and employ techniques that do not use strength, but instead use techniques that work against the body's natural motions. These techniques are not very visible, but effective and strong, as is the eighth light in context.


Okuyama was an instructor of Daito Ryu Aikijujutsu which he studied from two people: Kyoju Dairi Matsuda (Toshimi) Hosaku and later Takeda Sokaku himself. In 1938 Okuyama finished his studies with Takeda and published a martial art text called Daito-ryu Goshinjutsu (The Daito System of Self-Protection), later founded the Dai-Nippon Shidokai (Greater Japan Way of the Samurai Association) and began teaching what he called Daito Hiden Shido (Secret Daito-Ryu Way of the Samurai). Okuyama's first Dojo was located in Asahikawa and was called Nippon Shidokai Ryubukan. In 1939 he moved to Kanda and opened another dojo called Dai Nihon Shidokai. This marked the beginning of the split from Daito-ryu, as by this time Takeda was very old and his son Tokimune was still very young. Seeing no place for advancement in the Daito-ryu school, and being a skilled medical and martial person,[1] Okuyama began to form his own system based on Daito-ryu Jujutsu and Daito-ryu Aiki no jutsu as well as his experience in other forms of bujutsu.[2]

The Hakko-ryu Kaiso Hokokusai (ceremony proclaiming the founding of Hakko-ryu) was held on June 1, 1941[2] at the Shiba Tenso Jinja (Shinto shrine in the Shiba district of Tokyo). On that date Hakko-ryu was formed and Okuyama took the pen name Ryuho (spine of the Dragon). The Hakko-ryu Kobujuku (private school for Hakko-ryu study) was located in Kanda district of Tokyo. During World War II the allied Bombing grew close; Okuyama and his family fled and joined the Mount Haguro sect of Shugendo (a mixture of Buddhism and Shintoism) in Yamagata Prefecture. The Hakko-ryu Kobujuku burned down during the bombing of Tokyo. In 1947 he moved to Omiya City (Saitama City) and founded the Hakko-ryu So Hombu Dojo (Hakko-ryu Juku Hombu Dojo). This is the home city of Hakko-ryu today.

While Hakko-ryu techniques are closely related to Daito-ryu, it is the influence of Oriental medicine[3][4] and a strict moral code that distinguishes the style. The Koho Igaku Shiatsu system is taught to its members at all levels and is a requirement for those holding Menkyo Shihan and higher licenses. The jujutsu system's emphasis is placed on pressure points and manipulation of the opponent's body through both the skeletal structure and the body's meridians; this helps give Hakko-ryu its trademark of appearing weak but being powerful in application.

The techniques of Hakko-ryu are passed on in the form of kata or waza sets known as Ge. Each kata has a number of Omote (surface) techniques that must be learned before the student can progress to the next level. Each level also contains Kihon waza, which introduce the core principles of Hakkoryu to the student; the Omote techniques are not to be changed but handed down to the next generation, and so forth. They are as follows:

  1. Shodan-Gi
  2. Nidan-Gi
  3. Sandan-Gi
  4. Yondan-Gi

Besides the Omote, Kihon, and Gensoku Of Hakko-ryu, some subjects taught include concepts such as:

  1. Kamae (combative engagement posture/stance)
  2. Hara/Tanden/Ki (center of gravity, how it may best be concentrated)
  3. Kime (focus)
  4. Tsukuri/Kuzushi/Kake (preparing/off balancing/executing)
  5. Ma ai (combative engagement distance)
  6. Sen (combative initiative or "timing")
  7. Suki (detecting weaknesses/openings)

After Yondan the system uses the older Koryu Menkyo licenses. A student must be invited by Okuyama to train with him in the upper waza. To obtain an invitation the student must be referred by a Shihan in good standing with the Hombu. Upon receiving the invitation, the student may travel to Japan and stay with the Okuyama family for a period of time for training or receive training from him during his visits outside of Japan.[5]


Hakko-ryu is governed in an autocratic nature. Hakkoryu Jujutsu and Koho Igaku Shiatsu [2][6] belong solely to the Okuyama family. Okuyama has total authority, and while he is advised by senior Shihan and councils, his word is final. This has been difficult for some to take, but especially for non-Japanese which has resulted in the expulsion of some over the years. There are few people outside of Japan recognized as legitimate Shihan and teachers. Okuyama states that "Some may use the word 'Hakko' (八光) in the names of their systems. Interested parties are advised that many have no relationship to Hakkoryu. Many desire the legitimacy of such affiliation without the accompanying training, efforts, sacrifice, responsibilities, limitations, and burdens actual membership requires. This is true of those who have never had any training or affiliation at all with Hakkoryu as well as those who have been expelled or claim they have retired but continue to teach."

Hakkoryu is distinctly separate and apart from Hakko Denshin Ryu and other schools who use the name "Hakko" within the name of their schools. Hakkoryu is an internationally registered trademark.[7]

Hakkoryu Koho Shiatsu

Hakkoryu Koho Shiatsu 八光流皇法指圧

While Hakkoryu applies pressure techniques on Keiraku to defend oneself or pin down an opponent when one is being attacked, applying pressure techniques on Keiraku is also the essential theory of Koho Shiatsu.

In Hakkoryu, one is learning a martial art while at the same time practicing Shiatsu techniques. Koho Shiatsu, as a solid therapeutic method, is perfectly complementary to the techniques of Hakkoryu, as a martial art. History of Hakkoryu Koho Shiatsu

Shodai Soke Okuyama Ryuho, the founder of Hakkoryu Jujutsu and Hakkoryu Koho Shiatsu, established the final methods for both systems. He was also an active member of political parties whose aim was to reform Japanese society from decline and improve very difficult social conditions.

He was born in Yamagata Prefecture in 1901. When he was five years old, he contracted meningitis and suffered a great deal. He miraculously recovered from the illness with the ancient treatments of traditional oriental medicine. After this experience, he took a strong interest in oriental medical theory and practice.

After graduation from the Tokyo School of Government, he moved to Hokkaido, the northern island, where amongst his numerous political activities, he founded and managed a shiatsu clinic. During this period, he traveled widely and studied traditional oriental medicine and martial arts seriously and enthusiastically from numerous pre-eminent teachers.

After many years of medical study, he achieved a high level of mastery of traditional oriental medicine and established a private school he named, “Koho Gijuku”, to teach traditional medicine in Asahikawa City, Hokkaido during the early Showa period. He became famous through his efforts and was able to train many therapists at his school. He also was engaged in many public lectures within the city. Around 1932, he was inaugurated as the President of the Asahikawa Therapist Association because of his high skill, knowledge, and dedication to traditional oriental medicine.

Shodai Soke Okuyama Ryuho eventually completed establishing his own styles of self-protection and medical methods and techniques, which were both unique and effective, calling his systems, “Koho Shiatsu” and “Hakkoryu Jujutsu”.

Before the end of World War II, he moved to his native Yamagata Prefecture, staying at Hagurosan (Mt. Haguro) where Shinto priests and ascetics (the Mt. Haguro Shugendo sect) meditate and study at the Hagurosan Shrine. During this period in the mountains of Haguro, Shodai Soke diligently studied, and continued to sharpen the techniques of Hakkoryu Jujutsu and Koho Shiatsu.

In 1947, following the end of the War, Shodai Soke moved again and established his private school, the Hakko Juku Hombu Dojo, in Omiya City (now known as Saitama City), Saitama Prefecture. He began again teaching Hakkoryu Jujutsu and Koho Shiatsu on a regular basis. Method of Medical Treatment and Remedies

The first method of examination in Hakkoryu Koho Shiatsu is called Myakushin (palpation or pulse diagnosis). Myakushin takes about ten minutes and is used to diagnose exactly what is wrong with a patient and which Keiraku (meridian) should be treated. Then without touching the affected, injured, or painful part of the body, Nidai Soke applies Koho Shiatsu treatment to the appropriate Keiraku, which will be one of the regular fourteen Keiraku in traditional oriental medicine. Myakushin, in Hakkoryu Koho Shiatsu, relies on the traditional Keiraku and are used to diagnose each of the twelve major Keirakus’ strengths and weaknesses. To determine which of the Keiraku, such as the lungs, the heart, etc. are related to the patient’s chief complaint is the goal of Myakushin.

This therapy diagnoses general pulse beats, but does not merely count the pulse beats. Rather, it diagnoses the harmony or disharmony between the breath and pulse and observes blood pressure. Furthermore, both wrists are used to diagnose the three positions of pulse to determine their relational equilibrium, disharmony, and/or abnormality. The three conditions of Myakushin determine how a Keiraku will react to appropriate treatment. It is often surprising what such diagnosis reveals, which went undetected using Western medical techniques.

Koho Shiatsu is applied using the head of the thumb, avoiding pressing with the nail. This is the general method, but for patients who experience difficulty in turning or changing their body position, use the index and middle finger to get at hard to reach Keiraku. The center of the thumb should be applied to the appropriate Tsubo (pressure point) on the relevant Keiraku, and pressure should be applied at an angle to give a sensation of pain. Koho Shiatsu’s method of using the thumb is to lightly touch the skin first, second to press, and third to release very quickly. This is the way to apply the best stimulation.

There are other Koho Shiatsu techniques used to stimulate specific body parts and help address particular diseases. Pressing a Tsubo for two or three seconds is one of them. The principal method of Koho Shiatsu is to apply pressure to the Tsubo of the appropriate Keiraku while avoiding the damaged, diseased, or painful area.

Thus, Koho Shiatsu’s principal methods not only treat various diseases, but they also prevent many kinds of illnesses from actually occurring in the first place. Also, Koho Shiatsu energizes the patient by stimulating and thereby encouraging the circulation of one’s Ki (vital energy), which reinforces all the Keiraku internally and externally related to one’s organs that keep a person both mentally and physically in good health.

Hakkoryu Koho Shiatsu uses more than just the particularly reacting Keiraku to treat diseases. It considers the principle of universal gravitation for the treatment from the upper body to the lower body, or the origin of the Keiraku’s Ki flow (Tanden or Hara) to the end.

When applying pressure to Koho Shiatsu points, the direction of pressure and treatment may be reversed if there is a strong or unusual reaction in the patient. Manifestation of pain, discomfort, or some kind of disharmony may occur when applying treatment to particularly out-of-balance Keiraku. During treatment, almost no power is used to press the Tsubo. Rapidly applying pressure with rhythmic momentum can effectively heal or cure many kinds of serious, painful, and acute illnesses. Thus, Hakkoryu Koho Shiatsu has many unique features.

Nidai Soke says, “I do not use any physical force when applying Koho Shiatsu treatments to my patient each day. Rather, I abandon force and routinely stimulate certain Keiraku, which results in a sensation of pain. A typical treatment takes only twenty minutes or so. If I administer a Koho Shiatsu treatment much longer than this, patients may find the pain sensation to be too strong or severe. To apply this kind of pain on certain selected Keiraku, while avoiding pressing on affected or painful parts of the body, is the basic approach of Koho Shiatsu. Thus, my Shiatsu treatment is different than other styles of similar therapy because, while abandoning force, I apply my treatment only on selected Keiraku, while at the same time, avoiding the damaged area’s meridians.”

He continues, “Hakkoryu Koho Shiatsu involves the practice of avoiding using one’s own personal force. This conservation of energy is the way in which we attain the martial arts status of Zanshin (clear mindedness or selflessness). To live in a state of mental and spiritual freedom, freedom from all social problems, is the philosophical goal of traditional Japanese martial arts. This approach has produced magnificent healing results, which cannot be explained or understood by Western medicine, however, Koho Shiatsu achieves both lasting and effective results.”

There are a lot of successful reports and appreciation letters sent to Hombu Dojo from patients who, because of Koho Shiatsu, have recovered from their health problems and diseases.

  • The following conditions have benefited and shown great improvement as a result of Hakkoryu Koho Shiatsu:
   Hypertension, Neuroses, Palsy, Lumbago & Low Back Pain, Gastroptosis & Gastritis, Gastroenteritis, Gastric Ulcer, Tuberculosis, Painful Joints, Gallstones, Shingles, Tonsillitis, Kidney Stones, Appendicitis, Presbyopia, Asthma, Infantile Paralysis, Common Cold & Flu, Rheumatism, Fever, Hemorrhoids, Sciatica, Uterine Fibroid, Irregular Menses, Arthritis, Nephritis, Constipation & Diarrhea, Impotence, Bronchitis, Insomnia, Allergy, Bed Wetting, Vertigo, Hernia, Whiplash Injury, Tinnitus, Headache including Migraine, Anxiety, Abdominal Pain, Rhinitis, Stroke, Sprains, Diabetes, Hypotension, Eczema, Frozen Shoulder, Tennis Elbow, Etc.


The prominent feature of Hakkoryu Jujutsu is to totally abandon physical power, to relax completely, and then apply techniques to opponents in order to defend oneself. Most other martial arts commonly aim to defeat or destroy an opponent, but Hakkoryu’s exponents, while completely relaxed, uses the attacker’s force and strikes a vital point on Keiraku to instantly freeze, stop, pin down, and/or control the movement of the opponent. As most everyone knows, in a Judo match, a physically smaller person experiences great difficulty in winning a match if he encounters an opponent of much larger size. Hakkoryu has no problem with such physical differences. In Hakkoryu, gentle, swift, and efficient maneuvers reign supreme over hardness, strength and body size.


Famous students

Shorinji Kempo founder Doshin So (宗道臣, 1911–1980) was a student of Hakkoryu.


  1. ^ [6]
  2. ^ a b c [7]
  3. ^ Aikido Journal interview
  4. ^ [8]
  5. ^ [9]
  6. ^ [10]
  7. ^ Okuyama, Toshio. "Trademarks – USA and OHIM". Hakkoryu So Hombu Dojo. 


  • Secrets of Hakko ryu Jujutsu by Dennis G Palumbo, Paladin press 978-0-87364-422-8 ISBN 0-87364-422-0
  • Secret Nidan techniques of Hakko ryu by Dennis G Palumbo, Paladin press ISBN 978-0-87364-455-6
  • Essence of Hakko ryu Sandan Gi techniques By Dennis G. Palumbo, Paladin press 978-0-87364-455-6

External links

  • Hakkoryu So Hombu Dojo (Japanese)
  • Hakkoryu So Hombu Dojo (English)
  • Aiki news interview part 1 (Nidai Soke Okuyama)
  • Aiki news interview part 2 (Nidai Soke Okuyama)
  • Hakkoryu Ryujinkan Dojo - Portugal (Porto/Vila Nova de Gaia)
  • Hakkoryu Ryujinkan Dojo (Facebook)
  • Europe Hakkoryu Jujutsu
  • Facebook Jujutsu Hakkoryu France
  • Hakkoryu Ken-Nin Dojo (Texas, USA)
  • Hakkoryu Kenshinkan Dojo (Michigan, USA)
  • Hakkoryu Nintai Dojo (Texas, USA)
  • Hakkoryu Kazoku Dojo (Florida, USA)
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