Top Inventors at Nippon Piston Ring Co. 2018
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Sugiura | 2 |
| 1 | Takuya OZAKI | 2 |
| 3 | Atsushi Chiba | 1 |
| 3 | Iwao Hiraishi | 1 |
| 3 | Kazuhiro Fujimura | 1 |
| 3 | Makoto Kajiwara | 1 |
| 3 | Masafumi Sakamoto | 1 |
| 3 | Shigeyoshi SATO | 1 |
| 3 | Shunsuke Takeguchi | 1 |
| 3 | Shun Yasuda | 1 |