Top Inventors at Seiko Instruments 2020
| Rank | Name | Patents |
|---|---|---|
| 1 | Akihiro Iino | 6 |
| 2 | Masao Kasuga | 3 |
| 3 | Norihisa Ando | 3 |
| #4 | Shigehiro Arai | 3 |
| #5 | Tatsumi Yamada | 3 |
| #6 | Ryo Sugawara | 2 |
| #7 | Takuma Otomo | 2 |
| #8 | Tomoo Kobayashi | 2 |
| #9 | Yasunori Akasaka | 2 |
| #10 | Akihiko Chiba | 1 |
| #11 | Akihito Okumura | 1 |
| #12 | Ayako Nobe | 1 |
| #13 | Dong Yang | 1 |
| #14 | Haruhiko Hasegawa | 1 |
| #15 | Hiromi Chida | 1 |
| #16 | Hideaki Koshoji | 1 |
| #17 | Jun Shinohara | 1 |
| #18 | Katsunobu Iguchi | 1 |
| #19 | Kazuo Kato | 1 |
| #20 | Kazumi Sakumoto | 1 |
| #21 | Kazumi Tanaka | 1 |
| #22 | Kazuo Tani | 1 |
| #23 | Kenichi Kudo | 1 |
| #24 | Ken Miura | 1 |
| #25 | Koichi Masuzawa | 1 |
| #26 | Kosuke Yamamoto | 1 |
| #27 | Masayuki Kawata | 1 |
| #28 | Manabu Oumi | 1 |
| #29 | Masayuki Suda | 1 |
| #30 | Noritoshi Yuura | 1 |
| #31 | Ryosuke ISOGAI | 1 |
| #32 | Satoshi Sakai | 1 |
| #33 | Shunji Watanabe | 1 |
| #34 | Takahiro Kaneko | 1 |
| #35 | Takayuki Nomura | 1 |
| #36 | Takanori Okayasu | 1 |
| #37 | Takeshi Uchiyama | 1 |
| #38 | Takashi Yamamoto | 1 |
| #39 | Teruo Kato | 1 |
| #40 | Tetsuya Nobe | 1 |
| #41 | Tomohiro Ihashi | 1 |
| #42 | Tomohiro Murata | 1 |
| #43 | Tsuneaki Tamachi | 1 |
| #44 | Yasunori Hara | 1 |
| #45 | Yoshiyuki Kaiho | 1 |
| #46 | Yoshimi Kanno | 1 |
| #47 | Yoko Shinohara | 1 |