Top Inventors at Japan Composite Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroya Okumura | 3 |
| 2 | Ikuo Akai | 3 |
| 3 | Masahiro HAKOTANI | 3 |
| #4 | Isao Hirata | 1 |
| #5 | Keizo Kimura | 1 |
| #6 | Kenji Tsuboi | 1 |
| #7 | Satoshi Tamura | 1 |
| #8 | Shigehiro Okada | 1 |
| #9 | Shinji Tachibana | 1 |
| #10 | Takeshi Kusagaya | 1 |
| #11 | Takashi Shibata | 1 |
| #12 | Takashi Tsukamoto | 1 |
| #13 | Tomoko Inoue | 1 |