Top Inventors at Sankosha All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masaaki Sato | 5 |
| 2 | Yutaka Hayashi | 4 |
| 3 | Daizo Shigemori | 3 |
| #4 | Takayuki Okawa | 3 |
| #5 | Tsuyoshi Kawabata | 3 |
| #6 | Yoshiki Maeyashiki | 3 |
| #7 | Yuji Muramatsu | 3 |
| #8 | Chikashi Okabayashi | 2 |
| #9 | Hideyoshi Saeki | 2 |
| #10 | Hirofumi Yoshihara | 2 |
| #11 | Makoto Ishizaki | 2 |
| #12 | Minoru Yoneda | 2 |
| #13 | Takuya Ouchi | 2 |
| #14 | Yasuharu Yamada | 2 |
| #15 | Yoshio Igarashi | 2 |
| #16 | YUSUKE UCHIKOSHI | 2 |
| #17 | Fumika Kawahara | 1 |
| #18 | Hideyuki Harada | 1 |
| #19 | Hidetoshi Ito | 1 |
| #20 | Junpei Miyata | 1 |
| #21 | Junichi Takabe | 1 |
| #22 | Kazushige Tadokoro | 1 |
| #23 | Katsumi Watanabe | 1 |
| #24 | Kenichi Ebuchi | 1 |
| #25 | Kiyotaka Ando | 1 |
| #26 | Kouji Idota | 1 |
| #27 | Masaaki Endo | 1 |
| #28 | Mitsuru Inoue | 1 |
| #29 | Shuji Higashi | 1 |
| #30 | Shin Nakayama | 1 |
| #31 | Susumu Uchida | 1 |
| #32 | Takashi Saitou | 1 |
| #33 | Takashi Shikano | 1 |
| #34 | Teiji Hasegawa | 1 |
| #35 | Tetsumi Jinno | 1 |
| #36 | Yuichi Takahashi | 1 |
| #37 | Yukio Uwano | 1 |
| #38 | Haruo Kunii | 1 |
| #39 | Akihiro Kasai | 1 |