Past Presidents and chairpersons of annual meeting
| Year | Term | President | Chairperson | Place | Remarks |
|---|---|---|---|---|---|
| 1980 | 1980-1981 | Eiichi KIMURA | Eiichi KIMURA | Tokyo | The 1st |
| 1981 | Haruo KITAGAWA | Chiba | The 2nd | ||
| 1982 | 1982-1983 | Eiichi KIMURA | Yawara YOSHITOSHI | Hamamatsu | The 3rd |
| 1983 | Yoshiyuki KOYAMA (replacement) |
Hajime FUJIMURA | Kyoto | The 4th | |
| 1984 | 1984-1985 | Yoshiyuki KOYAMA | Tatsuo SAITO | Tokyo | The 5th |
| 1985 | Akio EBIHARA | Oita | The 6th | ||
| 1986 | 1986-1987 | Mitsuo HONMA | Itsuro SOBUE | Nagoya | The 7th |
| 1987 | Tadao ITO | Matsue | The 8th | ||
| 1988 | 1988-1989 | Naokata SHIMIZU | Mitsuo HONMA | Tokyo | The 9th |
| 1989 | Akira SAKUMA | Tokyo | The 10th | ||
| 1990 | 1990-1991 | Naokata SHIMIZU | Hisakazu YASUDA | Sapporo | The 11th |
| 1991 | Akira WAKUI | Sendai | The 12th | ||
| 1992 | 1992-1993 | Naokata SHIMIZU | Kihachiro SHIMIZU | Tokyo | The 13th |
| 1993 | Tomoji YANAGIDA | Yokohama | The 14th | ||
| 1994 | 1994-1996 | Akio EBIHARA | Mitsuyoshi NAKASHIMA | Hamamatsu | The 15th |
| 1995 | Ryuichi KATO | Tokyo | The 16th | ||
| 1996 | Yutaka MIZUSHIMA | Tokyo | The 17th | ||
| 1997 | 1997-1999 | Yutaka MIZUSHIMA | Hirokazu HAYAKAWA | Tokyo | The 18th |
| 1998 | Shigeyuki NAKANO | Oita | The 19th | ||
| 1999 | Takao SARUTA | Yokohama | The 20th | ||
| 2000 | 2000-2002 | Chikara OGURA | Akira KITABATAKE | Sapporo | The 21st |
| 2001 | Shinichi KOBAYASHI | Yokohama | The 22nd | ||
| 2002 | Junichi AZUMA | Osaka | The 23rd | ||
| 2003 | 2003-2005 | Shigeyuki NAKANO | Hajime YASUHARA | Yokohama | The 24th |
| 2004 | Masahiro NAKANO | Shizuoka | The 25th | ||
| 2005 | Kyoichi OHASHI | Beppu | The 26th | ||
| 2006 | 2006-2008 | Shinichi KOBAYASHI | Shinichi KAWAI | Tokyo | The 27th |
| 2007 | Akio FUJIMURA | Utsunomiya | The 28th | ||
| 2008 | Shigeru KAGEYAMA | Tokyo | The 29th | ||
| 2009 | 2009-2010 | Shinichi KAWAI | Kyoichi TOTSUKA | Yokohama | The 30th |
| 2010 | Kenichi INUI | Kyoto | The 31st | ||
| 2011 | 2011-2012 | Shigeru KAGEYAMA | Hiroshi WATANABE | Hamamatsu | The 32nd |
| 2012 | Shinichiro UEDA | Okinawa | The 33rd | ||
| 2013 | 2013-2014 | Kyoichi OHASHI | Eiji UCHIDA | Tokyo | The 34th |
| 2014 | Masahiro NOMOTO | Ehime | The 35th | ||
| 2015 | 2015-2016 | Hiroshi WATANABE | Hirotoshi ECHIZEN | Tokyo | The 36th |
| 2016 | Junichi HASEGAWA | Yonago | The 37th | ||
| 2017 | 2017-2018 | Hiroshi WATANABE | Yuji KUMAGAI | Yokohama | The 38th |
| 2018 | Shinichi KAWAI | Kyoto | WCP2018 ・The 39th |
||
| 2019 | 2019-2020 | Kazutaka SHIMODA | Kazutaka SHIMODA | Tokyo | The 40th |
| 2020 | Shigehiro OHDO | Fukuoka | The 41st | ||
| 2021 | 2021-2022 | Shinichiro UEDA | Kazuhiko YANAI | Sendai | The 42nd |
| 2022 | Naoki MATSUMOTO | Yokohama | The 43rd | ||
| 2023 | Yasushi FUJIO | Kobe | The44th |
