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■Teacher 7th Dan Keiichi Hashimoto Born in Saitama Prefecture. 7th dan instructor. He picked up a bamboo sword at the age of five at Kenseikan Hashimoto Dojo, a dojo on the family's property started by his grandfather. He went on to Teikyo University after graduating from Keihoku Junior and Senior High School (Tokyo). After graduating from university, he worked for Ida Technos Co., Ltd., a powerful corporate team.
In 2012, he became the first private citizen from Saitama Prefecture in 53 years to compete in the All Japan Kendo Championships, and made it to the top eight in the same year, winning the Outstanding Player Award.
In 2016, he contributed to the team's victory at the All Japan Prefectural Championships (Saitama Prefecture's first victory in 26 years) and was awarded the Most Valuable Player Award.
In 2018, he was selected to compete in the All Japan Kendo Seventh Dan Championships, becoming the first civilian to win the championship in history.
In 2023, he became the oldest participant in the All Japan Kendo Championships and won the Outstanding Player Award.

His major achievements include reaching the top eight in the All Japan Championships (seven times), winning the All Japan 7th Dan Invitational Championships (six times), participating in the All Japan East-West Championships four times, winning the National Sports Festival once and participating nine times, winning the All Japan Prefectural Championships once and coming in third once and participating 13 times, coming in second in the All Japan Corporate Championships, winning the Kanto Corporate Championships twice, coming in second and third once, and coming in third once, and coming in third in the All Japan Student Kendo Championships once.
He was selected as a candidate for the Japanese national kendo team from 2003 to 2006. (As of 2024)

In order to compete with the overwhelming amount of training required by police officers, martial artists have used a variety of training methods and approaches from various angles to close the gap, and as a result, they have shifted their focus to delving deeper into the principles of martial arts as an interpersonal sport, which is where they are today. He is currently working on various methods such as training, practice, mental training, and weight training to improve his performance, with the goal of continuing to play for a long time.