Top Inventors at Sei Optifrontier Co. 2016
| Rank | Name | Patents |
|---|---|---|
| 1 | Ryuichiro Sato | 5 |
| 2 | Hiroyasu Toyooka | 4 |
| 3 | Hiroshi Takayanagi | 3 |
| #4 | Kensuke Ito | 3 |
| #5 | Masahiro Hasegawa | 2 |
| #6 | Hiroshi Nakamura | 1 |
| #7 | Masakazu Fukuda | 1 |
| #8 | Makoto Miyamori | 1 |
| #9 | Toshihiko Homma | 1 |
| #10 | Tsuyoshi Tada | 1 |
| #11 | Yasuhiro Sakamoto | 1 |
| #12 | Yoshikyo Tamekuni | 1 |
| #13 | Yuji Suzuki | 1 |
| #14 | Yukihiro Yokomachi | 1 |