Honinbo title results
| Nr | Year | Winner | Opponent |
Score | Games |
| 1st | 1941 | Sekiyama Riichi (6d) | Kato Shin |
3-3 |
1 2
3 4
5 6
|
| 2nd | 1943 | Hashimoto Utaro (7d) | prev |
2-0 |
1 2
|
| 3rd | 1945 | Iwamoto Kaoru (7d) | prev |
3-3, 2-0 |
1 2
3 4
5 6
p1 p2
|
| 4th | 1947 | idem | Kitani |
3-2 |
1 2
3 4
5
|
| 5th | 1950 | Hashimoto Utaro (8d) | prev |
4-0 |
1 2
3 4
|
| 6th | 1951 | idem | Sakata |
4-3 |
1 2
3 4
5 6
7
|
| 7th | 1952 | Takagawa Kaku (7d) | prev |
4-1 |
1 2
3 4
5
|
| 8th | 1953 | idem | Kitani |
4-2 |
1 2
3 4
5 6
|
| 9th | 1954 | idem | Sugiuchi |
4-2 |
1 2
3 4
5 6
|
| 10th | 1955 | idem | Shimamura |
4-0 |
1 2
3 4
|
| 11th | 1956 | idem | Shimamura |
4-2 |
1 2
3 4
5 6
|
| 12th | 1957 | idem | Fujisawa Hosai |
4-2 |
1 2
3 4
5 6
|
| 13th | 1958 | idem | Sugiuchi |
4-2 |
1 2
3 4
5 6
|
| 14th | 1959 | idem | Kitani |
4-2 |
1 2
3 4
5 6
|
| 15th | 1960 | idem | Fujisawa Shuko |
4-2 |
1 2
3 4
5 6
|
| 16th | 1961 | Sakata Eio (9d) | prev |
4-1 |
1 2
3 4
5
|
| 17th | 1962 | idem | Handa Dogen |
4-1 |
1 2
3 4
5
|
| 18th | 1963 | idem | Takagawa |
4-2 |
1 2
3 4
5 6
|
| 19th | 1964 | idem | Takagawa |
4-0 |
1 2
3 4
|
| 20th | 1965 | idem | Yamabe |
4-0 |
1 2
3 4
|
| 21st | 1966 | idem | Fujisawa Shuko |
4-0 |
1 2
3 4
|
| 22nd | 1967 | idem | Rin Kaiho |
4-1 |
1 2
3 4
5
|
| 23rd | 1968 | Rin Kaiho (9d) | prev |
4-3 |
1 2
3 4
5 6
7
|
| 24th | 1969 | idem | Kato |
4-2 |
1 2
3 4
5 6
|
| 25th | 1970 | idem | Sakata |
4-0 |
1 2
3 4
|
| 26th | 1971 | Ishida Yoshio (7d) | prev |
4-2 |
1 2
3 4
5 6
|
| 27th | 1972 | idem | Rin |
4-3 |
1 2
3 4
5 6
7
|
| 28th | 1973 | idem | Rin |
4-0 |
1 2
3 4
|
| 29th | 1974 | idem | Takemiya |
4-3 |
1 2
3 4
5 6
7
|
| 30th | 1975 | idem | Sakata |
4-3 |
1 2
3 4
5 6
7
|
| 31st | 1976 | Takemiya Masaki (8d) | prev |
4-1 |
1 2
3 4
5
|
| 32nd | 1977 | Kato Masao (8d) | prev |
4-1 |
1 2
3 4
5
|
| 33rd | 1978 | idem | Ishida |
4-3 |
1 2
3 4
5 6
7
|
| 34th | 1979 | idem | Rin |
4-1 |
1 2
3 4
5
|
| 35th | 1980 | Takemiya | prev |
4-1 |
1 2
3 4
5
|
| 36th | 1981 | Cho Chikun | prev |
4-2 |
1 2
3 4
5 6
|
| 37th | 1982 | idem | Kobayashi Koichi |
4-2 |
1 2
3 4
5 6
|
| 38th | 1983 | Rin Kaiho | prev |
4-3 |
1 2
3 4
5 6
7
|
| 39th | 1984 | idem | Awaji |
4-1 |
1 2
3 4
5
|
| 40th | 1985 | Takemiya Masaki | prev |
4-1 |
1 2
3 4
5
|
| 41st | 1986 | idem | Yamashiro |
4-1 |
1 2
3 4
5
|
| 42nd | 1987 | idem | Yamashiro |
4-0 |
1 2
3 4
|
| 43rd | 1988 | idem | Otake |
4-3 |
1 2
3 4
5 6
7
|
| 44th | 1989 | Cho Chikun | prev |
4-0 |
1 2
3 4
|
| 45th | 1990 | idem | Kobayashi Koichi |
4-3 |
1 2
3 4
5 6
7
|
| 46th | 1991 | idem | Kobayashi Koichi |
4-2 |
1 2
3 4
5 6
|
| 47th | 1992 | idem | Kobayashi Koichi |
4-3 |
1 2
3 4
5 6
7
|
| 48th | 1993 | idem | Yamashiro Hiroshi |
4-1 |
1 2
3 4
5
|
| 49th | 1994 | idem | Kataoka Satoshi |
4-3 |
1 2
3 4
5 6
7
|
| 50th | 1995 | idem | Kato Masao |
4-1 |
1 2
3 4
5
|
| 51st | 1996 | idem | Ryu Shikun |
4-2 |
1 2
3 4
5 6
|
| 52nd | 1997 | idem | Kato Masao |
4-0 |
1 2
3 4
|
| 53rd | 1998 | idem | O Rissei |
4-2 |
1 2
3 4
5 6
|
| 54th | 1999 | Cho Sonjin (9d) | prev |
4-2 |
1 2
3 4
5 6
|
| 55th | 2000 | O Meien (9d) | prev |
4-2 |
1 2
3 4
5 6
|