Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tomohiro Inoue | Ricoh Company | 192 |
| 2 | Kenji Shimizu | Showa Denko K.K. | 131 |
| 3 | Hiroshi Nakashima | NTT | 111 |
| #4 | Tetsuya Suzuki | Koito Manufacturing Co. | 104 |
| #4 | Toru Sugiyama | Kabushiki Kaisha Toshiba | 104 |
| #6 | Yoshitaka Sato | Olympus | 74 |
| #7 | Takayuki Mizuno | NTT | 69 |
| #8 | Takeshi Ohno | Yokogawa Electric | 57 |
| #9 | Daisuke Aoki | Canon | 51 |
| #10 | Norio Yamamoto | Denso | 46 |
| #11 | Atsushi Kanda | Seiko Epson | 35 |
| #12 | Takayuki Hamada | Ajinomoto Co. | 21 |
| #13 | Toshio Fujimura | Denso | 20 |
| #14 | Yasunari Tanaka | Hitachi | 19 |
| #14 | Ichiro Kudo | NTT | 19 |
| #16 | Yoshiya Watanabe | Audio-Technica | 17 |
| #17 | Makoto Niimi | Spansion Llc. | 10 |
| #18 | Yuki Kuroda | Hitachi | 8 |
| #19 | Kei TAKESHITA | NTT | 7 |
| #20 | Masashi Toyama | NTT | 6 |
| #21 | Naokazu Mazaki | Asahi Glass Co. | 3 |