Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Takahashi | Ricoh Company | 27 |
| 2 | Yoshihiro Yamaguchi | Kabushiki Kaisha Toshiba | 9 |
| 3 | Xiaofeng Han | Ricoh Company | 4 |
| #4 | Haruo Oba | Sony | 3 |
| #4 | Naoki Yasuda | Kabushiki Kaisha Toshiba | 3 |
| #6 | Kaoru Maeda | Ricoh Company | 2 |
| #6 | Yoichi Ueda | Sony | 2 |
| #6 | Junichi Kanai | Sony | 2 |
| #6 | Shuichi Obayashi | Kabushiki Kaisha Toshiba | 2 |
| #6 | Bo Liu | — | 2 |
| #11 | Qiwei He | Henkel Ag & Co. Kgaa | 1 |
| #11 | Hiroaki Hyuga | Fujitsu Limited | 1 |
| #11 | Takayuki Iida | Fujifilm | 1 |
| #11 | Masayuki Ono | Panasonic | 1 |
| #11 | Yuichi Takamiya | Ricoh Company | 1 |
| #11 | Wataru Karino | Terumo Kabushiki Kaisha | 1 |
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