Top Inventors at Hidan Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Satoru Naramoto | 6 |
| 2 | Kenichi Ito | 5 |
| 3 | Yoshinobu Abe | 4 |
| #4 | Yutaka Mihara | 3 |
| #5 | Hideo Fujita | 2 |
| #6 | Hirobumi Matayoshi | 2 |
| #7 | Hiroshi Yamazaki | 2 |
| #8 | Kenichi Hiyama | 2 |
| #9 | Kiyoshi Komatsuda | 2 |
| #10 | Masahisa Koyama | 2 |
| #11 | Takashi Inoue | 2 |
| #12 | Tetsuo Kobayashi | 2 |
| #13 | Kazuo Takahashi | 1 |
| #14 | Keiji Hirotomi | 1 |
| #15 | Takeo Iwahori | 1 |
| #16 | Takahiro Kusumoto | 1 |
| #17 | Yukio Shozi | 1 |