Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kuniaki Tanaka | — | 3 |
| 2 | Shinya Miyauchi | Sugino Machine Limited | 1 |
| 2 | Tomio SAWASAKI | Sugino Machine Limited | 1 |
| 2 | Masaru Futamura | Sugino Machine Limited | 1 |
| 2 | Minoru Ihara | Sugino Machine Limited | 1 |
| 2 | Masanori Kanemitsu | Sugino Machine Limited | 1 |