Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeshi Nomura | Seiko Epson | 145 |
| 2 | Kazuaki Takahashi | Sumitomo Electric Industries | 115 |
| 3 | Tadashi Yamada | Seiko Epson | 84 |
| #4 | Akihiro Toya | Seiko Epson | 70 |
| #5 | Hiroshi Mukai | Seiko Epson | 63 |
| #6 | Hiroshi Sugita | Seiko Epson | 62 |
| #7 | Takeshi Hosokawa | Seiko Epson | 58 |
| #8 | Kota Onishi | Seiko Epson | 57 |
| #9 | Nobuyuki Imai | Seiko Epson | 54 |
| #9 | Hiroshi Toyama | Seiko Epson | 54 |
| #11 | Yuji Furuta | Showa Denko K.K. | 37 |
| #12 | Shigekazu Takagi | Seiko Epson | 18 |
| #13 | Hiroyuki Hagihara | Showa Denko K.K. | 15 |
| #14 | Kota NISHIDA | Seiko Epson | 11 |