Top Inventors at Seiko Instruments R & D Center All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yutaka Saitoh | 10 |
| 2 | Kenji Kato | 6 |
| 3 | Masataka Shinogi | 5 |
| #4 | Yoshifumi Yoshida | 5 |
| #5 | Fumiyasu Utsunomiya | 4 |
| #6 | Keiji Sato | 2 |
| #7 | Matsuo Kishi | 2 |
| #8 | Minao Yamamoto | 2 |
| #9 | Hirofumi Harada | 1 |
| #10 | Hirokazu Ikeda | 1 |
| #11 | Hiroyuki Muramatsu | 1 |
| #12 | Hiroshi Sakama | 1 |
| #13 | Kaori Takano | 1 |
| #14 | Kouji Kawaguchi | 1 |
| #15 | Kouei Ozaki | 1 |
| #16 | Masafumi Hoshino | 1 |
| #17 | Manabu Oumi | 1 |
| #18 | Miwa Moriuchi | 1 |
| #19 | Naotoshi Shino | 1 |
| #20 | Nobuyuki Kasama | 1 |
| #21 | Osamu Yamazaki | 1 |
| #22 | Seiji Kuwabara | 1 |
| #23 | Shunichi Motte | 1 |
| #24 | Shigeru Senbonmatsu | 1 |
| #25 | Shunichi Tanaka | 1 |
| #26 | Shuhei Yamamoto | 1 |
| #27 | Susumu Ichihara | 1 |
| #28 | Tadao Akamine | 1 |
| #29 | Takakazu Fukuchi | 1 |
| #30 | Tatsuo Miyoshi | 1 |
| #31 | Takashi Niwa | 1 |
| #32 | Tatsuru Sato | 1 |
| #33 | Teruo Ebihara | 1 |
| #34 | Tokuya Akase | 1 |
| #35 | Toshiya Kanesaka | 1 |
| #36 | Toshiaki Narukawa | 1 |
| #37 | Yasuyuki Mitsuoka | 1 |
| #38 | Yuji Yamamoto | 1 |