Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshifumi Ogawa | Hitachi | 2 |
| 2 | Kozo Kamiya | Nippon Oil | 1 |
| 2 | Masanori Kizaki | Nippon Steel | 1 |
| 2 | Yasumichi Miyagawa | Tosoh | 1 |
| 2 | Toshio Baba | Nec | 1 |
| 2 | Hikaru Sakamoto | Furukawa Denchi Kabushiki Kaisha | 1 |