Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Ito | Seiko Epson | 655 |
| 2 | Yasuhiro Yamamoto | Pentax | 271 |
| 3 | Naoki Saito | Fujitsu Limited | 142 |
| #4 | Akihiro Machida | Hitachi Automotive Systems | 56 |
| #5 | Daisuke Ikeda | 54 | |
| #6 | Kenichi Nakata | Rohm Co. | 26 |
| #7 | Shahedul Hoque | — | 20 |
| #8 | Osamu Ohno | Hitachi | 10 |
| #9 | Haruki Nishimura | Hitachi Astemo | 9 |
| #10 | Yuichi Michikawa | Hitachi | 8 |
| #11 | Nobuko Nishimura | Hitachi | 5 |
| #11 | Yusuke Narita | Honda Motor Co. | 5 |
| #13 | Kazunori Matsushita | Hitachi Koki Co. | 3 |
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