Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Takahashi | Ricoh Company | 34 |
| 2 | Yoshihiro Yamaguchi | Kabushiki Kaisha Toshiba | 6 |
| 3 | Naoki Yasuda | Kabushiki Kaisha Toshiba | 4 |
| 3 | Masayuki Ono | Panasonic | 4 |
| #5 | Haruo Oba | Sony | 3 |
| #5 | Shuichi Obayashi | Kabushiki Kaisha Toshiba | 3 |
| #5 | Xiaofeng Han | Ricoh Company | 3 |
| #8 | Takayuki Iida | Fujifilm | 2 |
| #8 | Qiwei He | Henkel Ag & Co. Kgaa | 2 |
| #10 | Bo Liu | — | 1 |
| #10 | Yoichi Ueda | Sony | 1 |
| #10 | Wataru Karino | Terumo Kabushiki Kaisha | 1 |
| #10 | Shogo Hyakutake | Ricoh Company | 1 |
| #10 | Yuichi Takamiya | Ricoh Company | 1 |
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