Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideyuki Takenaka | Shionogi & Co. | 3 |
| 2 | Tomonori Okuda | Borg-Warner Automotive K.K. | 2 |
| 2 | Eiji Kamiryo | Kirin Brewery Co. | 2 |
| #4 | Isao Watanuki | Shin-Etsu Chemical Co. | 1 |
| #4 | Atsushi Murayama | Sharp Kabushiki Kaisha | 1 |
| #4 | Masaichi Kikuchi | Unknown | 1 |
| #4 | Todomu Nishino | Nitta Moore | 1 |
| #4 | Tetsuji Kotera | Borg-Warner Automotive K.K. | 1 |
| #4 | Masaaki Fukutomi | Yoshida Kogyo K.K. | 1 |
| #4 | Norio Tateishi | Sharp Kabushiki Kaisha | 1 |
| #4 | Takayuki Masui | Sharp Kabushiki Kaisha | 1 |
| #4 | Kouji Morishige | Borgwarner | 1 |