Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Takahashi | Ricoh Company | 19 |
| 2 | Yoshihiro Yamaguchi | Kabushiki Kaisha Toshiba | 6 |
| 3 | Haruo Oba | Sony | 5 |
| #4 | Shin Maki | Terumo Kabushiki Kaisha | 3 |
| #5 | Shuichi Obayashi | Kabushiki Kaisha Toshiba | 2 |
| #5 | Hisashi Ishijima | Ricoh Company | 2 |
| #5 | Naoki Yasuda | Kabushiki Kaisha Toshiba | 2 |
| #8 | Nobuo Asano | Sumitomo Electric Industries | 1 |
| #8 | Junichi Kanai | Sony | 1 |
| #8 | Qiwei He | Henkel Ag & Co. Kgaa | 1 |
| #8 | Xiaofeng Han | Ricoh Company | 1 |
| #8 | Masahiro Moriya | Sumitomo Electric Industries | 1 |
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