| 2017/10 | 2019/04 | 2021/04 | 2021/10 | 2022/10 | 2023/04 | 2024/01 | 2025/10 | |
|---|---|---|---|---|---|---|---|---|
| President | Ohara M | Ohara M | Ohara M | Tanimoto Y | Tanimoto Y | Tanimoto Y | Tanimoto Y | Konishi K |
| Vice-president | Matsuda F Tsuchiya S Sasaki T |
Konishi K Tanaka S Namikawa K |
Konishi K Tanaka S Namikawa K |
Konishi K Tanaka S Namikawa K |
Konishi K Tanaka S Namikawa K |
Konishi K Tanaka S Namikawa K |
Konishi K Tanaka S Namikawa K |
Yamanaka Y Fujii M Namikawa K |
| Executive (* head) |
Tsuyuzaki S* Sakairi N Fujii M Kurasaki M Okada N Kameyama S Koshikawa S |
Tsuyuzaki S* Nakata K Fujii M Kurasaki M Okada N Kameyama S Koshikawa S |
Tsuyuzaki S* Nakata K Fujii M Okada N Kameyama S Koshikawa S Senzaki M |
Tsuyuzaki S* Nakata K Fujii M Okada N Kameyama S Koshikawa S Senzaki M |
Koshikawa S* Nakata K Fujii M Okada N Kameyama S Senzaki M Tsuyuzaki S |
Koshikawa S* Nakata K Ono K Okada N Kameyama S Senzaki M Tsuyuzaki S |
Koshikawa S* Nakata K Ono K Okada N Kameyama S Senzaki M Tsuyuzaki S |
Koshikawa S* Nakata K Watanabe T Okada N Kameyama S Senzaki M Tsuyuzaki S |
| Councilor | Mori N Nishimura N Miyaji A Narita K Miyake S Furukawa J Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Furukawa J Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
Mori N Ando T Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
Mori N Ando T Miyaji A Narita K Miyake S Sakairi N Kuramoto T Tahara S |
| Auditor-secretary | Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
| Advisor | Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A Ohara M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A Ohara M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A Ohara M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A Ohara M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K Kubokawa A Ohara M Tanimoto Y |
| 2012/05 | 2013/10 | 2015/10 | ||||||
| President | Shimazu K | Kubokawa A | Kubokawa A | |||||
| Vice-president | Kubokawa A Tsuchiya S Sasaki T |
Tsuchiya S Sasaki T Tanaka S |
Ohara M Tsuchiya S Sasaki T |
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| Executive (* head) |
Ohara M* Sakairi N Tsuyuzaki S Fujii M Kurasaki M Shimamura M Okada N |
Ohara M* Sakairi N Tsuyuzaki S Fujii M Kurasaki M Shimamura M Okada N |
Tsuyuzaki S* Sakairi N Fujii M Kurasaki M Shimamura M Okada N |
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| Councilor | Mori N Nishimura N Miyaji A Narita K Miyake S Furukawa J Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Furukawa J Kuramoto T Tahara S |
Mori N Nishimura N Miyaji A Narita K Miyake S Furukawa J Kuramoto T Tahara S |
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| Auditor-secretary | Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
Nishikawa Y Hosokawa T |
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| Advisor | Hori H Tokura S Nishi N Ikeda M Iwakuma T Minamigawa M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M |
Hori H Tokura S Nishi N Ikeda M Iwakuma T Minagawa M Shimazu K |
Personal information operation management: Secretary-general