Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoshi Arakawa | Fujitsu Limited | 157 |
| 2 | Takao Hiraoka | Ricoh Company | 49 |
| 3 | Koji Shibata | Konica Minolta | 48 |
| 3 | Kazunori Sakamoto | Aisin Seiki Kabushiki Kaisha | 48 |
| #5 | Satoru Machida | Toyota | 30 |
| #6 | Yoshio Ando | Canon | 23 |
| #7 | Hiromichi Mizuno | Aoyama Seisakusho Co. | 22 |
| #8 | Tsutomu Kito | Pilot Ink Company, Limited | 18 |
| #9 | Hidenobu Honda | Toyoda Gosei Co. | 11 |
| #10 | Masaki Kawashima | Mitsubishi Electric | 4 |