Support for Tour Tournaments
Mita Kosan is an official sponsor of the Yokohama Keio Challenger International Tennis Tournament, the second-largest ATP Challenger Tour tennis tournament in Japan, held annually in November.
In addition, we sponsor the Karuizawa Futures tournament, a gateway event for players aiming to earn world rankings.
Support for Athletes
Mita Kosan sponsors the tennis players Naho Sato (since November 2022) and Naoki Tajima (since August 2022).
Professional tennis player
Naho Sato
Date of birth: January 23, 2001
Birthplace: Koto-ku, Tokyo
Main Accomplishments:
2022 November Turned professional
2022 Yokohama Keio Challenger Tournament / Doubles Champion
2022 97th All -Japan ChampionshipTennis Championships Singles / Semifinalist
2023 Pro Tour Australia (25K) / Doubles champion
2023 Pro Tour Tunisia (15K) / Singles semifinalist, doubles champion
2023 Pro Tour Tunisia (15K) / Singles and doubles champion
2024 Pro Tour Nakhon (25K) / Doubles champion
2024 Pro Tour Traralgon (25K) / Doubles champion, singles runner-up
2024 Pro Tour Kuala Lumpur (15K) / Singles champion
2024 Pro Tour Portugal (100K) / Doubles champion
2026 Pro Tour Australia(30K) / Doubles champion
Professional tennis player
Naoki Tajima
Date of birth: September 21, 2000
Birthplace: Kumamoto-Shi, Kumamoto Prefecture
Main Accomplishments:
2018 French Open Junior / Doubles Champion
2018 Youth Olympic Games / Mixed Doubles Gold Medal
2018 September Turned Professional
2020 All Japan Tennis Championships / Best 8
Support for Cultural Activities
As part of our contribution to cultural activities, we support Itchu-bushi, one of Japan’s classical musical traditions.
Itchu-bushi, Shamisen player
Miyako Itchu
Head of the Itchu-bushi school, Miyako Itchu XII
Tokiwazu Mojizo II
Born in Tokyo in 1952. Real name: Seiichiro Todo
Studied Tokiwazu-bushi under his father, Tokiwazu Mojizo I, as well as Tokiwazu Mojibee IV and Tokiwazu Kikusaburō
Studied Nagauta Shamisen under Yoshiko Tajima and Nagauta under Ken Minagawa
Withdrew from Tokyo National University of Fine Arts and Music
Studied musicology under Fumio Koizumi and studied Itchu-bushi under Miyako Itchu XI
- 1981: Assumed the name Tokiwazu Mojizo II
- 1985: Received first Agency for Cultural Affairs Art Award
- 1986: Promoted to principal shamisen player of Tokiwazu-bushi at the Kabuki-za Theater
- 1990: Received Seieikai Public Interest Incorporated Foundation Encouragement Award
- 1991: Assumed the name Miyako Itchu XII and succeeded to head of the Itchu-bushi school
- 1999: Recognized as a Holder of Important Intangible Cultural Property for Itchu-bushi (General Certification)
- 2008: Recognized as a Holder of Important Intangible Cultural Property for Tokiwazu-bushi (General Certification)
- 2014: Awarded Japan Art Academy Prize
- 2023: Recognized as a Holder of Important Intangible Cultural Property for Nihon Buyo (General Certification)
We support Ms. Tomoka Nishiyama, a female shogi professional who holds the titles of Hakurei, Women's Meijin, and Women's O-osho, and who is a former Keio University student.
Women's Professional Shogi Player
Tomoka Nishiyama
Born in Osaka, June 1995
■ Title History
- Hakurei: 4 terms (1st term - FY2021, 3rd–5th terms)
- Jo-o (Queen): 7 terms (11th term - FY2018 to 17th term) — Lifetime Jo-o
- Women's Oza: 2 terms (9th term - FY2019 to 10th term)
- Women's Meijin: 2 terms (49th term - FY2022, 52nd term)
- Women's Osho: 6 terms (41st term - FY2019 to 42nd, 44th–47th terms) — Queen Osho
■ Shogi Awards
- 47th (FY2019): Women's Game of the Year Award
- 48th (FY2020): Women's Game of the Year Award
- 49th (FY2021): Excellent Women's Professional Award
- 50th (FY2022): Excellent Women's Professional Award / Most Games Played Award (Women's)
- 51st (FY2023): Excellent Women's Professional Award / Women's Game of the Year Award
- 52nd (FY2024): Excellent Women's Professional Award / Women's Game of the Year Award
Contributing to Local Community Associations
Mita Kosan is a member of the Mita Shopping District Promotion Association and sponsors the annual Mita Noryo Carnival. We will continue to contribute to our hometown Mita in Minato-ku, collaborating with local residents through the following neighborhood associations.
- Mita Shopping District Promotion Association
- Shiba 5-chome Community Association
- Mita Shinmachi Community Association
- Mita 2-chome Ikkokai
- Mita Tsunamachi Neighborhood Association
Promotion of International Scholarship and Contributions to the Local Community
We support the Global Passport Program (GPP), a specialized international program run by the Faculty of Com-merce at Keio University, and the Keio CEMS MIM Programme, a world-class international MBA program where only one school per country is allowed to join.
Contribution to Local Medical Institutions
As a Green Official Sponsor of both Saiseikai Central Hospital Tokyo and Keio University Hospital, we contribute to the greening initiatives of both institutions.
Contribution to Local Cultural Activities
We contribute to the All Keio Shogi Society, a shogi research group run by current and former students of Keio University, and plan to continue contributing to community-based cultural activities.
