Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Toyama | Seiko Epson | 5 |
| 2 | Tadashi Yamada | Seiko Epson | 4 |
| 2 | Kota Onishi | Seiko Epson | 4 |
| #4 | Takeshi Nomura | Seiko Epson | 3 |
| #4 | Nobuyuki Imai | Seiko Epson | 3 |
| #6 | Akihiro Toya | Seiko Epson | 2 |
| #7 | Kazuaki Takahashi | Sumitomo Electric Industries | 1 |