Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shinji Aoki | Ricoh Company | 202 |
| 2 | Koichi Yamaguchi | Shin-Etsu Chemical Co. | 88 |
| 3 | Masanori Ikari | Komatsu | 75 |
| #4 | Noboru Kimura | Shin-Etsu Chemical Co. | 36 |
| #5 | Atsushi Yaginuma | Shin-Etsu Chemical Co. | 24 |
| #6 | Nobuyuki Uesugi | Shin-Etsu Chemical Co. | 3 |
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