About JAC

About JAC

- About Japanese Association of Chiropractors -


Japanese Association of Chiropractors (JAC) among numerous “chiropractic organizations” in Japan represents national chiropractic profession and the only member of the World Federation of Chiropractic (WFC) since 1999. JAC is registered as a Japanese government recognized corporate organization since 2007. The members are internationally recognized qualified (WHO-standards) chiropractors in Japan who are majority of WHO-standards chiropractors in Japan.

After the National Consumer Affairs Center of Japan (NCAC) released the report, JAC has been regularly communicating with NCAC, the Consumer Affairs Agency, the Japan Advertising Review Organization (JARO) and the Ministry of Health, Labour and Welfare (MHLW) for public safety. JAC has been supporting a self-regulatory body, the Japan Chiropractic Register (JCR) for protecting patients’safety in chiropractic. JAC also established the Japanese Society of Chiropractic Science (JSCS) within and holds a research conference annually to promote an evidence based practice in chiropractic. The JAC policies are as follows:


  1. With international cooperation such as the WFC, the JAC introduces and promotes international standard of chiropractic in Japan in education as well as in legislative efforts.
  2. Promoting chiropractic awareness among Japanese people through various news media as well as scientific research.
  3. Promoting professional ethics among membership particularly prohibiting members to teach chiropractic techniques to anyone other than those who have had recognized educational programs or their students.



To promote and develop chiropractic for the nation’s health care.


To encourage chiropractors to follow the professional code of ethics and upgrade their clinical competency, furthermore to promote chiropractic profession in the healthcare system as an internationally recognized profession for the nation’s health and welfare .

JAC Board of Directors

2021-2023 Board of Directors
Honorary President Mr. Masao Akamatsu (former vice-minister of MHLW)
President Dr. Shimon Takayanagi
Vice President Dr. Junko Usuda
National Chief Director Dr. Shuhei Oguchi
National Director Dr. Tomohiko Wakatsuki
National Director Dr. Masaru Sakuta
Auditor Dr. Junya Kage
Chairman of Hokkaido region Dr. Hidenori Yoshihashi
Chairman of Tohoku region Dr. Daisuke Nozaki
Chairman of Kanto Koshinetsu region Dr. Hiroshi Yamada
Chairman of Nishi Nihon region Dr. Junko Usuda
Chairman of Kyushu region Dr. Bungo Ishimaru
Executive Advisers
Research Advisor Prof. Masayoshi Tsuruoka
Research Advisor Prof. Seika Kamohara
Research Advisor Dr. Yoshiaki Takeyachi
Legal Advisor (Lawyer) Ms. Keiko Tamura
Legal Advisor (Lawyer) Mr. Kengo Hatai
Audit Advisor (Accountant) Mr. Takeo Okuyama
Executive Advisor Dr. Kei Takeyachi

Strategic Goals

– Research: Study of safety and effectiveness in chiropractic

– Clinical: Recognition of the WHO standards chiropractors in Japan

– International: International meeting and academic exchanges with schools and institutes of overseas

– Education: Promotion of chiropractic education in the WHO standards

– Social: Legislation of chiropractic in Japan



Japanese Association of Chiropractors (JAC) had oragnised the JAC Symposium that is a workshop-based national conference from 1999 to 2017.



Japanese Association of Chiropractors (JAC) has its research arm, the Japanese Society of Chiropractic Science (JSCS) that hosts an annual chiropractic research conference since 1983. The research conference was named as Clinical Symposium on Chiropractic from the 1st to the 8th and was named as JSCS Annual Research Conference from the 9th.

1st Japan Seinen Hall, Tokyo Nov 11-12, 1983
2nd Asakusa View Hotel, Tokyo Nov 23-24, 1985
3rd National Kyoto International Hall, Kyoto Oct 10-12, 1987
4th Kanazawa Tourism Hall, Kanazawa Nov 3-5, 1989
5th Kagoshima City Cultural Hall, Kagoshima Nov 2-3, 1991
6th Royton Sapporo, Sapporo Nov 21-23, 1993
7th Shin Yokohama Prince Hotel, Yokohama Sep 2-3, 1995
8th Tsukuba University Tokyo campus, Tokyo Mar 11, 2018
9th Makuhari Messe, Chiba Nov 11-12, 2018
10th Showa Women’s University, Tokyo Nov 3-4, 2019
11th Kotsu Building, Tokyo Nov 3, 2020
12th Shibaura Institute of Technology Nov 21-22, 2021