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A father and son strive to reach the world championships! Raising a child while experiencing the pleasure and pain of Koshiki Karate

Katsuaki Hata

Hitachi Corporate System Office Department 1
Application Management Services Office
Hitachi Group Information Services Business Division
Industrial & Distribution Business Group

▲The father and son have received many awards and prizes together.


Koshiki Karate is a type of full-contact Karate in which competitors wear protective gear.
It has been a popular variant since the early days of Karate. Mr. Hata practices this sport and has won various national competitions and awards. His name has also appeared on the All Japan Koshiki Karate Federation website and in Karate magazines.
After starting a career in the sport in 2014, he is currently acting as an instructor and still practices in his free time.

Mr. Hata started Koshiki Karate because he wanted his son to build confidence and achieve success through a sport that instills discipline.
He decided to go with Koshiki Karate based on his experience as a former professional boxer and his wife's experience with the Kyokushin variant of Karate.
By participating in a sport together as a family, it allows them to share real experiences of the joy and pain of competition and build strong bonds of trust and leadership. They can communicate on a higher level in forms other than verbally.
He also enjoys the admiration he gains from participating in Koshiki Karate competitions himself.
The positive effects of the sport also extend to his working life. It helps him better manage time for efficient work and he enjoys discussing his participation in competitions with customers.

He and his son started practicing to enter the world championships.
We hope that their participation in the world championships will end in a success that they will cherish for the rest of their lives.

Related Information

▲Winner of the 2018 All Japan Koshiki Karate Championship.

▲Mr. Hata engaged in sparring.

▲With Master Shinichi Hasegawa, who won the World Karate Championships (Male Team Kata) six consecutive times and gives Mr. Hata training three to four times a year.

(The article is as of November 12, 2021)

Information contained in the articles are as of the date of publication, but may be subject to change without prior notice.

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