Top Inventors at Seiko Npc All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Masayuki Takahashi | 6 |
| 2 | Masahiro Oshio | 3 |
| 3 | Takayuki Kikuchi | 3 |
| #4 | Toshihiro Nishida | 3 |
| #5 | Yoshinao Yanagisawa | 3 |
| #6 | Haruhiko Otsuka | 1 |
| #7 | Hiroshi Kawago | 1 |
| #8 | Hiroyuki Kawanishi | 1 |
| #9 | Hideto Naruse | 1 |
| #10 | Jun Kikuchi | 1 |
| #11 | Kaoru Kanehachi | 1 |
| #12 | Kazuo Sakamaki | 1 |
| #13 | Kazuya Yano | 1 |
| #14 | Kenji Sato | 1 |
| #15 | Koryo Tei | 1 |
| #16 | Masashi Takamatsu | 1 |
| #17 | Shinnosuke Kano | 1 |
| #18 | Shigeki Sakai | 1 |
| #19 | Shinichi Watanabe | 1 |
| #20 | Shoji YOKOI | 1 |
| #21 | Toru Matsumoto | 1 |
| #22 | Yasuhiro Komiya | 1 |
| #23 | Yoshihiro Kobayashi | 1 |
| #24 | Yuji Hattori | 1 |
| #25 | Yutaka Takada | 1 |