Top Inventors at Nippon Piston Ring Co. 2003
Showing 1–12 of 12 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kazuo Shimizu | 2 |
| 2 | Hideshi Hitosugi | 1 |
| 2 | Hideyo Iwama | 1 |
| 2 | Katsuaki Ogawa | 1 |
| 2 | Kousuke Ito | 1 |
| 2 | Motonobu Onoda | 1 |
| 2 | Nobuyuki Murakami | 1 |
| 2 | Taro Itoh | 1 |
| 2 | Tatsuya Suzuki | 1 |
| 2 | Takashi Takakura | 1 |
| 2 | Yoshiki Ishikawa | 1 |
| 2 | Yoshio Naito | 1 |