Top Inventors at Nippon Piston Ring Co. 2020
Showing 1–20 of 20 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Sugiura | 2 |
| 1 | Takasumi KUBO | 2 |
| 1 | Takuya OZAKI | 2 |
| 1 | Yoshiki Ishikawa | 2 |
| #5 | Ayato OIKAWA | 1 |
| #5 | Hideshi Hitosugi | 1 |
| #5 | Hiroshi Matsushima | 1 |
| #5 | Hiroshi Oshige | 1 |
| #5 | Hiroki Takahashi | 1 |
| #5 | Kenji Arai | 1 |
| #5 | Masataka Kawasaki | 1 |
| #5 | Masahito Miki | 1 |
| #5 | Mamoru Miyamoto | 1 |
| #5 | Masafumi Morita | 1 |
| #5 | Seisuke Takaki | 1 |
| #5 | Shin Ishida | 1 |
| #5 | Shunsuke Takeguchi | 1 |
| #5 | Takashi Kawabata | 1 |
| #5 | Toshio Nagase | 1 |
| #5 | Yuki KIMURA | 1 |