Top Inventors at Mishima Kosan Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hoshiro Tani | 4 |
| 2 | Tetsuji Ushio | 3 |
| 3 | Satoru Tatsuguchi | 2 |
| #4 | Hidekatsu Hayashi | 1 |
| #5 | Junji Kuroki | 1 |
| #6 | Kazuyuki Higashino | 1 |
| #7 | Kazuhisa Mitani | 1 |
| #8 | Kazuo Sano | 1 |
| #9 | Kenji Minami | 1 |
| #10 | Kiwamu Imai | 1 |
| #11 | Masaya Hara | 1 |
| #12 | Masaaki Matsuo | 1 |
| #13 | Masami Sayama | 1 |
| #14 | Nobuyuki Harada | 1 |
| #15 | Norio Mitsumoto | 1 |
| #16 | Satoshi Ichioka | 1 |
| #17 | Shinziro Takeuchi | 1 |
| #18 | Tadashi Inoue | 1 |
| #19 | Takahiro Ito | 1 |
| #20 | Tetsuo Yabe | 1 |
| #21 | Toshiaki Atari | 1 |
| #22 | Tomohiro Hikima | 1 |
| #23 | Toshiro Kikuchi | 1 |
| #24 | Toyoaki Nishida | 1 |
| #25 | Toshihisa Otani | 1 |
| #26 | Toyoki Takahashi | 1 |
| #27 | Yasunori Omori | 1 |
| #28 | Yasuhiro Sawada | 1 |
| #29 | Yasunori Tashiro | 1 |
| #30 | Yoji Hirose | 1 |
| #31 | Yoshimasa Kawata | 1 |
| #32 | Yukinori Matsushima | 1 |
| #33 | Takashi Tsuzawa | 1 |