Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hitoshi Sakai | Yazaki | 68 |
| 2 | Toshio Sugimura | Toyota | 59 |
| 3 | Yu Hiei | Toyota | 25 |
| #4 | Yuji Shinkai | Brother Kogyo | 20 |
| #5 | Hiroshi Kiriyama | Sony | 15 |
| #5 | Sadayuki Makino | Aisin Seiki Kabushiki Kaisha | 15 |
| #7 | Tatsuki Fukui | Aisan Kogyo Kabushiki Kaisha | 12 |
| #8 | Yuji Deguchi | Ngk Insulators | 10 |
| #9 | Kentaro Morishita | Aisin Seiki Kabushiki Kaisha | 8 |
| #10 | Seiji Nishimura | Mitsubishi Electric | 7 |
| #10 | Hiromitsu Maehata | Denso International America | 7 |
| #12 | Ryuzo Tsuruhara | Advics Co. | 6 |
| #12 | Koh Mizutani | Toyota | 6 |
| #14 | Kazuyoshi SHIOHARA | Toyota | 5 |
| #15 | Haruki Sakakibara | Aisin Seiki Kabushiki Kaisha | 3 |
| #16 | Naochika Oda | Aisin Seiki Kabushiki Kaisha | 2 |
| #16 | Hirofumi Itoh | Nihon Unisys | 2 |
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