Showing 1–29 of 29 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tsunehiko Tsubone | Hitachi | 3 |
| 1 | Kouji Nishihata | Hitachi | 3 |
| 3 | Sumio Okuno | Hitachi | 2 |
| #4 | Masao Takai | Hitachi | 1 |
| #4 | Tomoaki Sumitani | Hitachi | 1 |
| #4 | Kotaro Fujimoto | Hitachi High-Technologies | 1 |
| #4 | Seiichi Okamoto | Hitachi | 1 |
| #4 | Yoshio Hironaka | Idemitsu Kosan Co. | 1 |
| #4 | Norimasa Maida | Toyo Kohan Co. | 1 |
| #4 | Yoshihiko Isobe | Toyo Kohan Co. | 1 |
| #4 | Motohiko Yoshigai | Hitachi | 1 |
| #4 | Tadamitsu Kanekiyo | Hitachi High-Technologies | 1 |
| #4 | Hideharu Mori | Hitachi | 1 |
| #4 | Yoshiyuki Takamura | Hitachi | 1 |
| #4 | Ryooji Fukuyama | Hitachi | 1 |
| #4 | Tetsunori Kaji | Hitachi | 1 |
| #4 | Tunehiko Tubone | Hitachi | 1 |
| #4 | Masaki Yono | Hitachi | 1 |
| #4 | Masaharu Nishiumi | Hitachi | 1 |
| #4 | Kentaro Masai | Hitachi | 1 |
| #4 | Hideaki Hamano | Toyo Kohan Co. | 1 |
| #4 | Toshiharu Miyamoto | Hitachi | 1 |
| #4 | Fumio Kunishige | Toyo Kohan Co. | 1 |
| #4 | Yasuji Kida | Tokuyama Soda | 1 |
| #4 | Keizi Ohmura | Hitachi | 1 |
| #4 | Hironobu Kawahara | Hitachi | 1 |
| #4 | Toshihisa Yamada | Hitachi | 1 |
| #4 | Morishige Hattori | Hitachi | 1 |
| #4 | Toshiaki Makino | Hitachi | 1 |