List of Directors
Updated： 2022/07/01
| 1st Director |
Hiroshi Matsumoto
|
April 2004 – October 2005 | Foreword by Director |
| 2nd Director | Shuichi Kawai |
October 2005 – May 2010 | Foreword by Director |
| Vice Director | Toshitaka Tsuda | October 2005 – May 2010 | |
| Vice Director | Yuji Imamura | April 2008 – May 2010 | |
| 3rd Director |
Toshitaka Tsuda
|
April 2010 – May 2016 | Foreword by Director |
| Vice Director | Takashi Watanabe | April 2010 – May 2016 | |
| Vice Director | Masato Shiotani | April 2010 – May 2016 | |
| 4th Director |
Takashi Watanabe
|
April 2016 – May 2020 | Foreword by Director |
| Vice Director | Masato Shiotani | April 2016 – May 2020 | |
| Vice Director | Kazufumi Yazaki | April 2016 – May 2020 | |
| 5th Director |
Masato Shiotani
|
April 2020 – February 2022 | Foreword by Director |
| Vice Director | Mamoru Yamamoto | April 2020 – May 2022 | |
| Vice Director | Hiroshi Isoda | April 2020 – May 2022 | |
| 6th Director |
Mamoru Yamamoto
|
April 2022 – | Foreword by Director |
| Vice Director | Hiroshi Isoda | April 2022 – | |
| Vice Director | Hirotsugu Kojima | April 2022 – |
