Top Inventors at Morikawa Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Obinata | 4 |
| 2 | Kazuo Omata | 4 |
| 3 | Seigo Ichikawa | 4 |
| #4 | Katsumi Shibata | 2 |
| #5 | Toshihiko Sato | 2 |
| #6 | Yoshihiko Nakajima | 2 |
| #7 | Yukio Shirai | 2 |
| #8 | Kenji Horikawa | 1 |
| #9 | Kenji Morikawa | 1 |
| #10 | Masahiko Toba | 1 |
| #11 | Osamu Matsumura | 1 |
| #12 | Taneaki Yahata | 1 |
| #13 | Toba Masahiko | 1 |
| #14 | Tsuchiya Yuji | 1 |
| #15 | Yahata Taneaki | 1 |
| #16 | Yoshikazu Takano | 1 |
| #17 | Yuji Tsuchiya | 1 |
| #18 | Akira Doi | 1 |
| #19 | Akihisa Kikuya | 1 |