Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koji Ieki | Sumitomo Electric Industries | 5 |
| 1 | Kunio Hiwada | Sankyo Holdings Co. | 5 |
| 1 | Tatsuo Kokubu | Sankyo Holdings Co. | 5 |
| #4 | Kouichi Ikeuchi | Matsushit Electric Industrial Co. | 2 |
| #4 | Kazushi Andoh | Matsushit Electric Industrial Co. | 2 |
| #6 | Yoshiyuki Tsukamura | — | 1 |