Kazuyoshi Ishii

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Kazuyoshi Ishii
Born (1953-06-10) June 10, 1953 (age 69)
Uwajima, Ehime Prefecture, Japan
StyleSeidokaikan karate
Teacher(s)Hideyuki Ashihara
Notable studentsMasaaki Satake, Nobuaki Kakuda

Kazuyoshi Ishii (石井 和義, Ishii Kazuyoshi, born June 10, 1953) is a Japanese master of Seidokaikan karate and founder of the K-1 fighting circuit, a widely televised international martial arts competition combining Muay Thai, karate, sanshou, taekwondo, kenpo, boxing, and kickboxing.[1][2] His karate training began with Kyokushin karate, but he formed his own karate organization in 1980, began promoting televised karate competitions, and started staging K-1 events in 1993.[3]

Early life[edit]

Ishii was born on June 10, 1953, in Uwajima, Ehime Prefecture, Japan.[4][5][6] He is one of three siblings.[5] As a boy, he was interested in sumo and baseball,[7] and was also introduced to gymnastics.[5] While Ishii was in junior high school, a book by Masatoshi Nakayama sparked his interest in Shotokan karate,[4] but a Sonny Chiba film later inspired him to pursue training in Kyokushin karate.[7]

Karate career[edit]

Ishii began training in Kyokushin karate under Hideyuki Ashihara, who was then a senior instructor in Kyokushin's International Karate Organization (IKO).[5][7] By the time he was 16 years old, he had established a local Kyokushin dojo (training hall) under his instructor's supervision.[5][7] Six years later, in 1975, he opened a Kyokushin dojo in Osaka, and this was a very successful venture.[5][7]

When Ashihara left the IKO a few years later, Ishii followed, but then left Ashihara's organization after only a few months. He founded his own organization, Seidokaikan Karate, in 1980.[7] Ishii's organization had dojo in the Kansai region.[citation needed] Within the next two years, he was promoting televised full-contact karate tournaments.[7] In 1983, Ishii became the first Chairman of the newly formed All Japan Budo Promotion Association.[5][7] Seidokaikan's reputation grew as Ishii's students, such as Masaaki Satake, Toshiyuki Yanagisawa, and Toshiyuki Atokawa, earned tournament victories.[5]

K-1 promotional career[edit]

Following almost a decade of development, Ishii staged the inaugural K-1 tournament in Yoyogi Hall, Tokyo, in April 1993.[4][5][7][8] According to The Japan Times, the "K" element came from kakutogi (a Japanese collective noun for combat techniques) and the "1" element came from the competition's single weight division and the champion's unique position (given the single weight division).[1] According to Black Belt magazine, Ishii said that he chose the "K" element since it was the first letter in the names of karate, kickboxing, kung fu, kempo, and many other combative arts.[4][8] K-1's official website states that the "K" element also stands for "King."[9]

Over the next ten years, the K-1 competition expanded to 24 events each year, across Japan, Europe, and North America.[7] In January 2003, Black Belt magazine named Ishii as its Man of the Year for 2002.[7] Together with late K-1 fighter Andy Hug (1964–2000), Ishii supported the production of Street Fighter II: The Animated Movie (where he voiced the character of Fei-Long in the original Japanese audio) by creating fight scenes that utilized real-life combat techniques.[10][11] In the PlayStation video game titled K-1 Revenge, he also appears as the fighting boss "Master Ishii", whose character can be unlocked in the video game when completing the single player mode for the first time.

See also[edit]


  1. ^ a b Maylam, J. (2001): K-1 hits the spot: Ultimate fighters pack a punch The Japan Times (October 21, 2001). Retrieved on March 4, 2010.
  2. ^ Tashiro, H., & Tyrangiel, J. (2001): Turning the martial arts into mondo mayhem TIME (September 3, 2001). Retrieved on March 4, 2010.
  3. ^ "Former K-1 promoter gets prison for tax dodge". The Japan Times. 15 January 2004. Retrieved 15 February 2022.
  4. ^ a b c d Patton, J. P. (1997): "The K-1 Tournament: Where the world's greatest fighters meet to decide who is No. 1." Black Belt, 35(6):48–55.
  5. ^ a b c d e f g h i Soldwedel, A. (2003): "21st Century Shogun: K-1 founder Kazuyoshi Ishii is striving to unify the martial arts—first in Japan and then around the world!" Black Belt, 41(1):54–59.
  6. ^ Karate Kyokushinkai Valencia: Kazuyoshi Ishii Archived 2010-04-18 at the Wayback Machine (in Spanish) (c. 2009). Retrieved on March 31, 2010.
  7. ^ a b c d e f g h i j k Vargo, K. (2003): "Man of the Year: Kazuyoshi Ishii." Black Belt, 41(1):154.
  8. ^ a b Anonymous (2001): "K-1 set for August in Vegas." Black Belt, 39(10):108–110.
  9. ^ K-1 Official Website: About K-1 Archived 2011-03-03 at the Wayback Machine (2009). Retrieved on March 31, 2010.
  10. ^ Bozon, M. (2006): Street Fighter II: The Animated Movie (uncut, uncensored, unleashed) (June 30, 2006). Retrieved on March 31, 2010.
  11. ^ Anime Shippuuden: Street Fighter II – The Animated Movie Archived 2010-03-13 at the Wayback Machine (January 23, 2009). Retrieved on March 31, 2010.

External links[edit]