Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akira Utsunomiya | Mitsubishi Chemical | 2 |
| 1 | Takayuki Harada | Mitsubishi Mining | 2 |
| 3 | Kenshi Maekawa | Kobe Steel | 1 |
| 3 | Yukinori Takahashi | Olympus Optical Co. | 1 |
| 3 | Kazunori Sasahara | Nippon Kayaku | 1 |
| 3 | Shigeru Yoshimura | Canon | 1 |
| 3 | Reiji Sanuki | Kobe Steel | 1 |
| 3 | Hideaki Miyashita | Chuo University | 1 |
| 3 | Isamu Ueki | Kobe Steel | 1 |
| 3 | Toshiaki Itami | Kabushiki Kaisha Taito | 1 |