Top Inventors at Okamura 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Masunaga | 4 |
| 2 | Syouichi Izawa | 4 |
| 3 | Hiroshi Saotome | 2 |
| #4 | Kazuhiko Kitada | 2 |
| #5 | Ryo Igarashi | 2 |
| #6 | Yoshinori Nakata | 2 |
| #7 | Akiyoshi Shiodera | 1 |
| #8 | Asuka Yamanashi | 1 |
| #9 | Shinpei Totsuka | 1 |
| #10 | Takayuki Yamamoto | 1 |
| #11 | Yuuichirou Takagi | 1 |