Top Inventors at Nippon Piston Ring Co. 2023
Showing 1–15 of 15 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Ayato OIKAWA | 1 |
| 1 | Fumito Mizuno | 1 |
| 1 | Hiroshi Oshige | 1 |
| 1 | Iwane NAGASE | 1 |
| 1 | Katsuaki Ogawa | 1 |
| 1 | Katsuaki Sato | 1 |
| 1 | Kenichi Sato | 1 |
| 1 | Kiyoshi Suwa | 1 |
| 1 | Kyoichi Ikeya | 1 |
| 1 | Makoto Kajiwara | 1 |
| 1 | Noriaki Chida | 1 |
| 1 | Ofuyu Sakai | 1 |
| 1 | Satoshi IKEMI | 1 |
| 1 | Shota Seki | 1 |
| 1 | Yuji NAGAOKA | 1 |