Top Inventors at Nishikawa Rubber Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Akio Okayama | 1 |
| 2 | Daisuke Nakazato | 1 |
| 3 | Hisatoshi Kinoshita | 1 |
| #4 | Hirofumi Ogawa | 1 |
| #5 | Hiroshi Suzuki | 1 |
| #6 | Junya Okawa | 1 |
| #7 | Kazuaki Kikumitsu | 1 |
| #8 | Katsunori Nakashima | 1 |
| #9 | Kazuyuki Takeda | 1 |
| #10 | Keigo Matsumoto | 1 |
| #11 | Masahiro Morioka | 1 |
| #12 | Miwa Shinohara | 1 |
| #13 | Noboru Shouno | 1 |
| #14 | Sachi Matsui | 1 |
| #15 | Syoichi Nakamoto | 1 |
| #16 | Takaaki Imai | 1 |
| #17 | Tatsuo KOIBUCHI | 1 |
| #18 | Takao Toyoshima | 1 |
| #19 | Tomohiro Komaji | 1 |
| #20 | Toshifumi Matsuura | 1 |
| #21 | Tomoki Takahashi | 1 |
| #22 | Yoshihiko Horita | 1 |
| #23 | Yoshitaka Nishimoto | 1 |
| #24 | Yusuke Migaki | 1 |