Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Motoyuki Suzuki | Hitachi | 5 |
| 2 | Shiro Ishii | Onoda Cement Co. | 2 |
| 2 | Shinya Yamamoto | Toyota Industries | 2 |
| 2 | Hiroyuki Tokuda | Canon | 2 |
| 2 | Taro Nogami | Hitachi | 2 |
| #6 | Masato Sakai | Hitachi Koki Co. | 1 |
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