Japanese Chess Championship

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 Garcia
 * 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
 * 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
 * }
 * 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
 * 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
 * }
 * 2020
 * Trần Thanh Tú || not played
 * 54
 * 2021
 * not played || not played
 * 55
 * 2022
 * Mirai Aoshima|| Azumi Sakai
 * 56
 * 2023
 * Ryosuke Nanjo || Azumi Sakai
 * }
 * 2023
 * Ryosuke Nanjo || Azumi Sakai
 * }
 * }