Top Inventors at Okumura Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ikuo Shimoda | 2 |
| 2 | Masami Mochimaru | 2 |
| 3 | Nobuyasu Kawai | 2 |
| #4 | Susumu Murakami | 2 |
| #5 | Susumu Otsuka | 2 |
| #6 | Hiroo Honda | 1 |
| #7 | Hironori Matsumoto | 1 |
| #8 | Hiroshi Saotome | 1 |
| #9 | Kanemasa Inaba | 1 |
| #10 | Kazuaki Shiki | 1 |
| #11 | Kenji Hagimori | 1 |
| #12 | Kiyoharu Suzuki | 1 |
| #13 | Kunio Hayakawa | 1 |
| #14 | Masakazu Masuda | 1 |
| #15 | Masao Okabe | 1 |
| #16 | Mitsuru Miyazaki | 1 |
| #17 | Mituya Sakai | 1 |
| #18 | Satoshi Fujita | 1 |
| #19 | Takafumi Fujita | 1 |
| #20 | Tetsuro Tatsuhama | 1 |
| #21 | Toshinori Asahi | 1 |
| #22 | Toshihiko Ito | 1 |
| #23 | Toshio Ohi | 1 |
| #24 | Yoshio Ebara | 1 |
| #25 | Kurimoto Kurimoto | 1 |