Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kenichi Egami | Hitachi | 8 |
| 2 | Yasuharu Muto | Hitachi | 4 |
| 3 | Hideya Watanabe | Nok | 3 |
| 3 | Yoshio Kajiya | Jx Nippon Mining & Metals | 3 |
| #5 | Wataru Tokunaga | Nok | 2 |
| #5 | Kazunari Seki | Nok | 2 |
| #5 | Yasuhiro Kawahashi | Jx Nippon Mining & Metals | 2 |
| #8 | Noribumi Kobayashi | Hitachi Cable | 1 |
| #8 | Hiroyoshi Hiruta | Hitachi | 1 |
| #8 | Nobuyuki Eguchi | Nok | 1 |
| #8 | Takamasa Maekawa | Jx Nippon Mining & Metals | 1 |
| #8 | Junichi Komuro | Casio Computer Co. | 1 |
| #8 | Takeshi Meguro | Hitachi Cable | 1 |
| #8 | Hiroaki Monma | Nok | 1 |
| #8 | Kazunori Jinbo | Nok | 1 |
| #8 | Toru Araki | Mitsubishi Electric | 1 |
| #8 | Takao Kanno | Nok | 1 |
| #8 | Yousuke Endo | Jx Nippon Mining & Metals | 1 |
| #8 | Ryuichi Nagase | Jx Nippon Mining & Metals | 1 |
| #8 | Masaomi Murakami | Jx Nippon Mining & Metals | 1 |
| #8 | Junnosuke Sekiguchi | Nippon Mining & Metals Co. | 1 |