The Japanese women's chess championship has been largely dominated by Naoko Takemoto (Naoko Takahashi before she married).
Winners {| class="sortable wikitable" ! No. !! Held in !! Men's Winner !! Women's Winner |- | 1 || 1968 || Yukio Miyasaka || |- | 2 || 1969 || Yukio Miyasaka || |- | 3 || 1970 || Yukio Miyasaka || |- | 4 || 1971 || Yukio Miyasaka || |- | 5 || 1972 || Gentaro Gonda || |- | 6 || 1973 || Gentaro Gonda || |- | 7 || 1974 || Ken Hamada || Miyoko Watai |- | 8 || 1975 || Gentaro Gonda || Emiko Nakagawa |- | 9 || 1976 || Gentaro Gonda || Emiko Nakagawa |- | 10 || 1977 || Gentaro Gonda || Miyoko Watai |- | 11 || 1978 || Gentaro Gonda || Miyoko Watai |- | 12 || 1979 || Gentaro Gonda || Naoko Takemoto |- | 13 || 1980 || Koobun Oda || Naoko Takemoto |- | 14 || 1981 || Koobun Oda || Naoko Takemoto |- | 15 || 1982 || Hiroyuki Nishimura || Naoko Takemoto |- | 16 || 1983 || Hiroyuki Nishimura || Naoko Takemoto |- | 17 || 1984 || Hiroyuki Nishimura || Naoko Takemoto |- | 18 || 1985 || Gentaro Gonda Paul Kuroda ||Naoko Takemoto |- | 19 || 1986 || Jacques Pineau || Naoko Takemoto |- | 20 || 1987 || Tomomichi Suzuki || Naoko Takemoto |- | 21 || 1988 || Loren Schmidt || Naoko Takemoto |- | 22 || 1989 || Gentaro Gonda || Naoko Takemoto |- | 23 || 1990 || Joselito Sunga || Naoko Takemoto |- | 24 || 1991 || Mats Andersson || Naoko Takemoto |- | 25 || 1992 || Domingo Ramos || Naoko Takemoto |- | 26 || 1993 || Jacques Pineau || Naoko Takemoto |- | 27 || 1994 || Hiroyuki Nishimura || Naoko Takemoto |- | 28 || 1995 || Domingo Ramos Tomohiko Matsuo || not played |- | 29 || 1996 || Gentaro Gonda || not played |- | 30 || 1997 || Gentaro Gonda || not played |- | 31 || 1998 || Akira Watanabe || not played |- | 32 || 1999 || Akira Watanabe || not played |- | 33 || 2000 || Akira Watanabe || not played |- | 34 || 2001 || Gentaro Gonda || Miyoko Watai Nguyen Khanh Ngoc |- | 35 || 2002 || Simon Bibby || not played |- | 36 || 2003 || Ryo Shiomi Kiyotaka Sakai || Emiko Nakagawa |- | 37 || 2004 || Kiyotaka Sakai || Melody Takayasu |- | 38 || 2005 || Shinya Kojima || Haruko Tanaka |- | 39 || 2006 || Shinya Kojima Masahiro Baba || Emiko Nakagawa |- | 40 || 2007 || Shinsaku Uesugi Shinya Kojima || Emiko Nakagawa
| 41 || 2008 || Shinya Kojima || Emiko Nakagawa |- | 42 || 2009 || Sam Collins || Narumi Uchida |- | 43 || 2010 || Ryosuke Nanjo Shinya Kojima || Narumi Uchida |- |44 |2011 |Ryuji Nakamura Masahiro Baba||Ekaterina Egorova |- |45 |2012 |Ryosuke Nanjo||Epiphany Peters |- |46 |2013 |Junta Ikeda||Narumi Uchida |- |47 |2014 |Ryosuke Nanjo||Narumi Uchida |- |48 |2015 |Masahiro Baba||Mirai Ishizuka |- |49 |2016 |Trần Thanh Tú || Mirai Ishizuka |- |50 |2017 | Koji Noguchi || Karen Hoshino |- |51 |2018 |Trần Thanh Tú || Qin Ranran |- |52 |2019 |Mirai Aoshima|| |- |53 |2020 |Trần Thanh Tú || not played |- |54 |2021 | not played || not played |- |55 |2022 |Mirai Aoshima|| Azumi Sakai |- |56 |2023 |Ryosuke Nanjo|| Azumi Sakai |- |57 |2024 |Ryosuke Nanjo|| Rikka Mitsuyama |- |58 |2025 |Trần Thanh Tú|| Elizabeth Ivanov
References
External links Results from the Japanese Chess Federation (in Japanese) Short biography on Akira Wanatabe Chess in Japan On Shinya Kojima's 2006 and 2007 victory (in German) On the 2008 edition On the women's editions: 2002 , 2004 , 2005 , 2006 (in Japanese) On the men's editions: 2004 , 2005 , 2006 , 2007 , 2008 (in Japanese)