| Kyoichi Abe |  | Auditor since 5 Oct 2017 |
| Hiroshi Arakawa |  | Auditor since 5 Oct 2017 |
| Miyuki Fujii |  | Auditor since 5 Oct 2017 |
| Yusuke Fukuda |  | Auditor since 12 Feb 2020 |
| Satoru Gennai |  | Auditor since 22 Jan 2020 |
| Taku Harako |  | Auditor since 5 Oct 2017 |
| Hajime Ishizuka |  | Auditor since 25 Sep 2018 |
| Yuuki Ito |  | Auditor since 14 Aug 2019 |
| Itaru Kamiya |  | Auditor since 30 Mar 2020 |
| Seiichi Komura SIM3 Trainer and Auditor |  | Auditor since 5 October 2017 SIM3 Trainer since 7 July 2022 |
| Yusuke Kon |  | Auditor since 14 Aug 2019 |
| Lauri Korts-Pärn |  | Auditor since 14 Aug 2019 |
| Kunio Miyamoto |  | Auditor since 14 Aug 2019 |
| Yoshihiro Masuda |  | Auditor since 5 Oct 2017 |
| Mayumi Nagata |  | Auditor since 14 Aug 2019 |
| Akiko Numata |  | Auditor since 5 Oct 2017 |
| Tomohide Okochi |  | Auditor since 5 Oct 2017 |
| Masayuki Ono |  | Auditor since 12 Feb 2020 |
| Akiko Sueyoshi |  | Auditor since 14 Aug 2019 |
| Yoshiki Sugiura SIM3 Trainer and Auditor |  | Auditor since 5 October 2017 SIM3 Trainer since 7 July 2022 |
| Toshiyuki Takagi |  | Auditor since 12 Feb 2020 |
| Yuko Tamoto |  | Auditor since 14 Aug 2019 |
| Masato Terada |  | Auditor since 5 Oct 2017 |
| Mariko Torigoe |  | Auditor since 14 Aug 2019 |
