Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiko Hamaguchi | Komatsu | 3 |
| 2 | Toshiaki Taniike | Tosoh Finechem | 2 |
| 3 | Yuichiro Yoshikawa | NTT | 1 |
| 3 | Masahiro Kanamaru | Yazaki | 1 |
| 3 | Minoru Umezaki | Yazaki | 1 |
| 3 | Akiyo Minamikawa | Kabushiki Kaisha Toshiba | 1 |
| 3 | Kikuo Aida | Kabushiki Kaisha Toshiba | 1 |