Past officers
2024
- Chairperson: Sadao Kurohashi
- Vice-chairperson: Yoshimasa Turuoka
- Directors: Yusuke Miyao, Yuki Arase, Tomohide Shibata, Kotaro Funakoshi, Takashi Inui, Naoya Inoue, Naoaki Okazaki, Koichiro Yoshino, Katsuhito Sudoh, Itsumi Saito, Sanae Fujita, Akihiro Tamura, Toshiyuki Kanamaru, Chenhui Chu, Shigeki Matsubara, Mamoru Komachi, Ryoko Tokuhisa, Akiko Murakami, Ryo Nagata, Aya Ishino, Jun Suzuki
- Auditor: Tatsuo Yamashita, Masaru Fuji
- Editor in Chief: Yusuke Miyao
2023
- Chairperson: Kentaro Inui
- Vice-chairperson: Sadao Kurohashi
- Directors: Masao Utiyama, Yusuke Miyao, Kohji Dohsaka, Hiroshi Matsuda, Tomohide Shibata, Kotaro Funakoshi, Takashi Ninomiya, Naoaki Okazaki, Yuki Arase, Katsuhito Sudoh, Masaru Fuji, Sanae Fujita, Tomoko Ohkuma, Shigeki Matsubara, Ryoko Tokuhisa, Hideto Kazawa, Akiko Murakami, Ryo Nagata, Jun Suzuki
- Auditor: Ryo Ochitani, Tatsuo Yamashita
- Editor in Chief: Masao Utiyama
2022
- Chairperson: Kentaro Inui
- Vice-chairperson: Sadao Kurohashi
- Directors: Masao Utiyama, Yusuke Miyao, Kohji Dohsaka, Hiroshi Matsuda, Tomohide Shibata, Kotaro Funakoshi, Takashi Ninomiya, Naoaki Okazaki, Yuki Arase, Katsuhito Sudoh, Masaru Fuji, Sanae Fujita, Tomoko Ohkuma, Shigeki Matsubara, Ryoko Tokuhisa, Hideto Kazawa, Akiko Murakami, Ryo Nagata, Jun Suzuki
- Auditor: Ryo Ochitani, Tatsuo Yamashita
- Editor in Chief: Masao Utiyama
2021
- Chairperson: Manabu Okumura
- Vice-chairperson: Kentaro Inui
- Directors: Masao Utiyama, Hiroshi Kanayama, Hiroshi Matsuda, Hiroyuki Shinnou, Kohji Dohsaka, Yoshimasa Tsuruoka, Takashi Ninomiya, Eiji Aramaki, Yuki Arase, Tatsuo Yamashita, Masaru Fuji, Tomoko Ohkuma, Shigeki Matsubara, Ryoko Tokuhisa, Hideto Kazawa
- Auditor: Hideki Tanaka, Ryo Ochitani
- Editor in Chief: Masao Utiyama
2020
- Chairperson: Manabu Okumura
- Vice-chairperson: Kentaro Inui
- Directors: Masao Utiyama, Hiroshi Kanayama, Hiroshi Matsuda, Hiroyuki Shinnou, Kohji Dohsaka, Yoshimasa Tsuruoka, Takashi Ninomiya, Eiji Aramaki, Yuki Arase, Tatsuo Yamashita, Masaru Fuji, Tomoko Ohkuma, Shigeki Matsubara, Ryoko Tokuhisa, Hideto Kazawa
- Auditor: Hideki Tanaka, Ryo Ochitani
- Editor in Chief: Masao Utiyama
2019
- Chairperson: Satoshi Sato
- Vice-chairperson: Manabu Okumura
- Directors: Kentaro Inui, Sadao Kurohashi, Yusuke Miyao, Mikio Nakano, Kazuhide Yamamoto, Hiroshi Kanayama, Hiroyuki Shinnou, Shiho Ogino, Eiji Aramaki, Ryo Ochitani, Tatsuo Yamashita, Kazunori Komatani, Yoshimasa Tsuruoka
- Auditor: Masaaki Nagata, Hideki Tanaka
- Editor in Chief: Sadao Kurohashi
2018
- Chairperson: Satoshi Sato
- Vice-chairperson: Manabu Okumura
- Directors: Kentaro Inui, Sadao Kurohashi, Yusuke Miyao, Mikio Nakano, Kazuhide Yamamoto, Hiroshi Kanayama, Hiroyuki Shinnou, Shiho Ogino, Eiji Aramaki, Ryo Ochitani, Tatsuo Yamashita, Kazunori Komatani, Yoshimasa Tsuruoka
- Auditor: Masaaki Nagata, Hideki Tanaka
- Editor in Chief: Kentaro Inui
- Vice Editor in Chief: Sadao Kurohashi
2017
- Chairperson: Takenobu Tokunaga
- Vice-chairperson: Satoshi Sato
- Directors: Manabu Okumura, Kentaro Inui, Yusuke Miyao, Tsuneaki Kato, Hideo Watanabe, Mikio Nakano, Kazuhide Yamamoto, Satoshi Sekine, Shiho Ogino, Masaaki Nagata, Ryo Ochitani, Daisuke Kawahara, Kazunori Komatani
- Auditor: Susumu Akamine, Terumasa Ehara
- Editor in Chief: Manabu Okumura
- Vice Editor in Chief: Kentaro Inui
2016
- Chairperson: Takenobu Tokunaga
- Vice-chairperson: Satoshi Sato
- Directors: Manabu Okumura, Kentaro Inui, Yusuke Miyao, Tsuneaki Kato, Hideo Watanabe, Mikio Nakano, Kazuhide Yamamoto, Satoshi Sekine, Shiho Ogino, Masaaki Nagata, Ryo Ochitani, Daisuke Kawahara, Kazunori Komatani
- Auditor: Susumu Akamine, Terumasa Ehara
- Editor in Chief: Manabu Okumura
- Vice Editor in Chief: Kentaro Inui
2015
- Chairperson: Eiichiro Sumita
- Vice-chairperson: Takenobu Tokunaga
- Directors: Satoshi Sato, Makoto Yamazaki, Akiko Aizawa, Kumiko Tanaka, Gen'ichiro Kikui, Tsuneaki Kato, Hideo Watanabe, Satoshi Sekine, Kyoko Ohara, Susumu Akamine, Masaaki Nagata, Daisuke Kawahara, Kiyoaki Shirai
- Auditor: Noriyoshi Uratani, Daigo Taguchi
- Editor in Chief: Satoshi Sato
- Vice Editor in Chief: Manabu Okumura
2014
- Chairperson: Eiichiro Sumita
- Vice-chairperson: Takenobu Tokunaga
- Directors: Satoshi Sato, Makoto Yamazaki, Akiko Aizawa, Kumiko Tanaka, Gen'ichiro Kikui, Tsuneaki Kato, Hideo Watanabe, Satoshi Sekine, Kyoko Ohara, Susumu Akamine, Masaaki Nagata, Daisuke Kawahara, Kiyoaki Shirai
- Auditor: Noriyoshi Uratani, Daigo Taguchi
- Adviser: Makoto Nagao, Hitoshi Iida, Jun'ichi Tsujii, Akira Shimazu, Hiroshi Nakagawa, Shun Ishizaki, Koiti Hasida, Hiromi Nakaiwa
- Principal Editor in Chief: Takenobu Tokunaga
- Editor in Chief: Satoshi Sato
2013
- Chairperson: Hiromi Nakaiwa
- Vice-chairperson: Eiichiro Sumita
- Directors: Takenobu Tokunaga, Kentaro Inui, Makoto Yamazaki, Akiko Aizawa, Satoshi Sato, Gen'ichiro Kikui, Manabu Sassano, Satoshi Sekine, Kyoko Ohara, Daigo Taguchi, Susumu Akamine, Takehito Utsuro, Kiyoaki Shirai
- Auditor: Noriyoshi Uratani, Hiroaki Saito
- Principal Editor in Chief: Eiichiro Sumita
- Editor in Chief: Takenobu Tokunaga
2012
- Chairperson: Hiromi Nakaiwa
- Vice-chairperson: Eiichiro Sumita
- Directors: Takenobu Tokunaga, Kentaro Inui, Makoto Yamazaki, Akiko Aizawa, Satoshi Sato, Gen'ichiro Kikui, Manabu Sassano, Satoshi Sekine, Kyoko Ohara, Daigo Taguchi, Takehito Utsuro, Jun'ichi Fukumoto, Kiyoaki Shirai
- Auditor: Noriyoshi Uratani, Hiroaki Saito
- Principal Editor in Chief: Eiichiro Sumita
- Editor in Chief: Takenobu Tokunaga
2011
- Chairperson: Koiti Hasida
- Vice-chairperson: Hiromi Nakaiwa
- Directors: Eiichiro Sumita, Kentaro Inui, Tsunao Ogino, Satoshi Sato, Sadao Kurohashi, Manabu Sassano, Manabu Okumura, Wakako Kashino, Daigo Taguchi, Jin'ichi Murakami, Takehito Utsuro
- Auditor: Akira Kurematsu, Hiroaki Saito
- Principal Editor in Chief: Hiromi Nakaiwa
- Editor in Chief: Eiichiro Sumita
2010
- Chairperson: Koiti Hasida
- Vice-chairperson: Hiromi Nakaiwa
- Directors: Tsunao Ogino, Satoshi Sato, Eiichiro Sumita, Sadao Kurohashi, Manabu Okumura, Wakako Kashino, Jin'ichi Murakami, Manabu Sassano, Daigo Taguchi, Takehito Utsuro, Kentaro Inui
- Auditor: Hiroaki Saito
- Principal Editor in Chief: Hiromi Nakaiwa
- Editor in Chief: Eiichiro Sumita
2009
- Chairperson: Satoru Ikehara
- Vice-chairperson: Koiti Hasida
- Directors: Tsunao Ogino, Hitoshi Isahara, Hiromi Nakaiwa, Satoshi Tojo, Qing Ma, Tsuneaki Kato, Hiroaki Saito, Tatsunori Mori, Eiichiro Sumita, Sadao Kurohashi, Manabu Okumura, Wakako Kashino, Jin'ichi Murakami
- Auditor: Akira Kurematsu, Kikuko Nishina
- Principal Editor in Chief: Koiti Hasida
- Editor in Chief: Hiromi Nakaiwa
2008
- Chairperson: Satoru Ikehara
- Vice-chairperson: Koiti Hasida
- Directors: Tsunao Ogino, Hitoshi Isahara, Hiromi Nakaiwa, Satoshi Tojo, Qing Ma, Tsuneaki Kato, Hiroaki Saito, Tatsunori Mori, Eiichiro Sumita, Sadao Kurohashi, Manabu Okumura, Wakako Kashino, Jin'ichi Murakami
- Auditor: Akira Kurematsu, Kikuko Nishina
- Principal Editor in Chief: Koiti Hasida
- Editor in Chief: Hiromi Nakaiwa
2007
- Chairperson: Shun Ishizaki
- Vice-chairperson: Satoru Ikehara
- Directors: Hitoshi Isahara, Koiti Hasida, Satoshi Kinsui, Hiromi Nakaiwa, Tatsuya Kawahara, Naoyoshi Tamura, Jiro Nagase, Yoshiki Niwa, Satoshi Tojo, Qing Ma, Tsuneaki Kato, Hiroaki Saito, Tatsunori Mori
- Auditor: Hitoshi Iida, Kikuko Nishina
- Principal Editor in Chief: Satoru Ikehara
- Editor in Chief: Koiti Hasida
2006
- Chairperson: Shun Ishizaki
- Vice-chairperson: Satoru Ikehara
- Directors: Hitoshi Isahara, Koiti Hasida, Satoshi Kinsui, Hiromi Nakaiwa, Tatsuya Kawahara, Naoyoshi Tamura, Jiro Nagase, Yoshiki Niwa, Satoshi Tojo, Qing Ma, Tsuneaki Kato, Hiroaki Saito, Tatsunori Mori
- Auditor: Hitoshi Iida, Kikuko Nishina
- Principal Editor in Chief: Satoru Ikehara
- Editor in Chief: Koiti Hasida
2005
- Chairperson: Hiroshi Nakagawa
- Vice-chairperson: Shun Ishizaki
- Directors: Satoru Ikehara, Shigeru Satoh, Tsutomu Endou, Jun-ichi Aoe, Kenji Araki, Hideki Tanaka, Kikuko Nishina, Satoshi Kinsui, Hiromi Nakaiwa, Tatsuya Kawahara, Naoyoshi Tamura, Jiro Nagase, Yoshiki Niwa
- Auditor: Terumasa Ehara, Yutaka Kusanagi
- Principal Editor in Chief: Shun Ishizaki
- Editor in Chief: Satoru Ikehara
2004
- Chairperson: Hiroshi Nakagawa
- Vice-chairperson: Shun Ishizaki
- Directors: Satoru Ikehara, Shigeru Satoh, Tsutomu Endou, Jun-ichi Aoe, Kenji Araki, Hideki Tanaka, Kikuko Nishina, Satoshi Kinsui, Hiromi Nakaiwa, Tatsuya Kawahara, Naoyoshi Tamura, Jiro Nagase, Yoshiki Niwa
- Auditor: Terumasa Ehara, Yutaka Kusanagi
- Principal Editor in Chief: Shun Ishizaki
- Editor in Chief: Satoru Ikehara
2003
- Chairperson: Akira Shimazu
- Vice-chairperson: Hiroshi Nakagawa
- Directors: Takao Gunji, Shuichi Itahashi, Satoshi Sato, Yasuhiko Kato, Yoshihiko Hayashi, Takenobu Tokunaga, Shun Ishizaki, Shigeru Satoh, Tsutomu Endou, Jun-ichi Aoe, Kenji Araki, Hideki Tanaka, Kikuko Nishina
- Auditor: Terumasa Ehara, Yutaka Kusanagi
- Principal Editor in Chief: Hiroshi Nakagawa
- Editor in Chief: Shun Ishizaki
2002
- Chairperson: Akira Shimazu
- Vice-chairperson: Hiroshi Nakagawa
- Directors: Takao Gunji, Shuichi Itahashi, Satoshi Sato, Yasuhiko Kato, Yoshihiko Hayashi, Takenobu Tokunaga, Shun Ishizaki, Shigeru Satoh, Tsutomu Endou, Jun-ichi Aoe, Kenji Araki, Hideki Tanaka, Kikuko Nishina
- Auditor: Terumasa Ehara, Yutaka Kusanagi
- Principal Editor in Chief: Hiroshi Nakagawa
- Editor in Chief: Shun Ishizaki
2001
- Chairperson: Jun'ichi Tsujii
- Vice-chairperson: Akira Shimazu
- Directors: Yukinori Takubo, Satoru Ikehara, Hitoshi Isahara, Noriyoshi Uratani, Naoyuki Okada, Tetsunori Kobayashi, Koiti Hasida, Takao Gunji, Shuichi Itahashi, Satoshi Sato, Yasuhiko Kato, Yoshihiko Hayashi, Takenobu Tokunaga
- Auditor: Akira Kurematsu, Katsuhiko Shirai
- Principal Editor in Chief: Akira Shimazu
- Editor in Chief: Hiroshi Nakagawa
2000
- Chairperson: Jun'ichi Tsujii
- Vice-chairperson: Akira Shimazu
- Directors: Yukinori Takubo, Satoru Ikehara, Hitoshi Isahara, Noriyoshi Uratani, Naoyuki Okada, Tetsunori Kobayashi, Koiti Hasida, Takao Gunji, Shuichi Itahashi, Satoshi Sato, Yasuhiko Kato, Yoshihiko Hayashi, Takenobu Tokunaga
- Auditor: Akira Kurematsu, Katsuhiko Shirai
- Principal Editor in Chief: Akira Shimazu
- Editor in Chief: Hiroshi Nakagawa
1999
- Chairperson: Hitoshi Iida
- Vice-chairperson: Jun'ichi Tsujii
- Directors: Hiroshi Nakagawa, Hiroshi Nakano, Yasuhiro Katagiri, Tsunao Ogino, Satoshi Shirai, Yukinori Takubo, Satoru Ikehara, Hitoshi Isahara, Noriyoshi Uratani, Naoyuki Okada, Tetsunori Kobayashi, Koiti Hasida
- Auditor: Akira Kurematsu, Katsuhiko Shirai
- Principal Editor in Chief: Jun'ichi Tsujii
- Editor in Chief: Akira Shimazu
1998
- Chairperson: Hitoshi Iida
- Vice-chairperson: Jun'ichi Tsujii
- Directors: Hiroshi Nakagawa, Hiroshi Nakano, Yasuhiro Katagiri, Tsunao Ogino, Satoshi Shirai, Yukinori Takubo, Satoru Ikehara, Hitoshi Isahara, Noriyoshi Uratani, Naoyuki Okada, Tetsunori Kobayashi, Koiti Hasida
- Auditor: Akira Kurematsu, Katsuhiko Shirai
- Principal Editor in Chief: Jun'ichi Tsujii
- Editor in Chief: Akira Shimazu
1997
- Chairperson: Hozumi Tanaka
- Vice-chairperson: Hitoshi Iida
- Directors: Akira Kurematsu, Akira Shimazu, Terumasa Ehara, Jun'ichi Nakamura, Yuji Matsumoto, Jun'ichi Tsujii, Hiroshi Nakagawa, Hiroshi Nakano, Yasuhiro Katagiri, Tsunao Ogino, Satoshi Shirai
- Auditor: Toshio Ishiwata, Kazuhiro Fuchi
- Principal Editor in Chief: Akira Kurematsu
- Editor in Chief: Jun'ichi Tsujii
1996
- Chairperson: Hozumi Tanaka
- Vice-chairperson: Hitoshi Iida
- Directors: Akira Kurematsu, Akira Shimazu, Terumasa Ehara, Jun'ichi Nakamura, Yuji Matsumoto, Jun'ichi Tsujii, Hiroshi Nakagawa, Hiroshi Nakano, Yasuhiro Katagiri, Tsunao Ogino, Satoshi Shirai
- Auditor: Toshio Ishiwata, Kazuhiro Fuchi
- Principal Editor in Chief: Akira Kurematsu
- Editor in Chief: Jun'ichi Tsujii
1995
- Chairperson: Makoto Nagao
- Vice-chairperson: Hozumi Tanaka
- Directors: Akira Kurematsu, Akira Shimazu, Terumasa Ehara, Jun'ichi Nakamura, Yuji Matsumoto, Hitoshi Iida
- Auditor: Toshio Ishiwata, Kazuhiro Fuchi
- Editor in Chief: Akira Kurematsu
1994
- Chairperson: Makoto Nagao
- Vice-chairperson: Hozumi Tanaka
- Directors: Akira Kurematsu, Akira Shimazu, Terumasa Ehara, Jun'ichi Nakamura, Yuji Matsumoto, Hitoshi Iida
- Auditor: Toshio Ishiwata, Kazuhiro Fuchi
- Editor in Chief: Akira Kurematsu