Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuei Ito | Nippondenso Co. | 51 |
| 2 | Yukio Tsuzuki | Denso | 38 |
| 3 | Hiroshi Takuno | Jtekt | 36 |
| #4 | Toshifumi Sumiya | Nidek Co. | 27 |
| #5 | Wataru Kato | Kyocera | 22 |
| #6 | Mitsuhiko Masegi | Nippondenso Co. | 15 |
| #7 | Kinji Nakamura | J.S.T. Mfg. Co. | 7 |
| #8 | Kiyoshi Kittaka | Nippondenso Co. | 6 |
| #8 | Hidekazu Katsuyama | Keyence | 6 |
| #8 | Eiji Hiramatsu | Toyota | 6 |
| #8 | Tadahiko Shibata | Nippondenso Co. | 6 |
| #12 | Masayuki Takagaki | Mitsubishi Motors | 5 |
| #13 | Terumi Nishida | Nippondenso Co. | 4 |
| #14 | Hiroki Seto | Mitsubishi Motors | 3 |
| #14 | Kaoru Owa | Toyoda Koki Kabushiki Kaisha | 3 |
| #14 | Tatsuya Katou | Denso | 3 |
| #17 | Koh Saito | Sintokogio | 2 |
| #17 | Kazuyuki Yoshiyama | Pacific Industrial Co. | 2 |