Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroki Nagai | Toyota | 133 |
| 2 | Hirofumi Kondo | Brother Kogyo | 97 |
| 3 | Masayuki Shinkai | Ngk Insulators | 35 |
| #4 | Yoichi Oi | Aisin Aw Co. | 31 |
| #5 | Yoichi Sakamoto | Canon | 28 |
| #6 | Katsuyuki Morita | Kitagawa Industries Co. | 27 |
| #7 | Hayato Komatsu | Jtekt | 13 |
| #7 | Masao Ichiyanagi | Brother Kogyo | 13 |
| #9 | Koji Nakahara | Kabushiki Kaisha Toshiba | 11 |
| #9 | Mitsuru Hattori | Ngk Insulators | 11 |
| #11 | Seiju Nagakura | Toyokoki Co. | 6 |
| #11 | Hiroaki Takeya | Omron | 6 |
| #13 | Noriaki Kabeya | Brother Kogyo | 5 |
| #13 | Reimon Fukuzawa | Ngk Spark Plug Co. | 5 |
| #15 | Norio Iwama | Toyota Central R&D Labs | 4 |
| #16 | Kunio Ohira | Ngk Insulators | 2 |
| #16 | Naoshi Tanimoto | Aica Kogyo Co. | 2 |
| #16 | Katsuya Ibaraki | Delta Tooling Co. | 2 |