Top Inventors at Nippon Seiki Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Yuki MASUYA | 4 |
| 2 | Makoto Hada | 2 |
| 3 | Hiroyuki Furusawa | 1 |
| #4 | Kiyoshi Tsuchida | 1 |
| #5 | Masahiko Mizuochi | 1 |
| #6 | Ryuji Saito | 1 |
| #7 | Shigehiro Kataoka | 1 |
| #8 | Shota Koike | 1 |
| #9 | Shin Usuda | 1 |
| #10 | Tamito KAWATE | 1 |
| #11 | Takashi Mikami | 1 |
| #12 | Tsuyoshi Kasahara | 1 |
| #13 | Yasuyuki Fujitsuka | 1 |
| #14 | Yasuhiro Yamakawa | 1 |
| #15 | Yoshihiro Kamimura | 1 |
| #16 | Yoshiyuki Kobayashi | 1 |
| #17 | Yuichi Fukushima | 1 |
| #18 | Yuta KIKUCHI | 1 |
| #19 | Yu Nawata | 1 |
| #20 | Yuichi Takahashi | 1 |
| #21 | Yui Yaegashi | 1 |