Top Inventors at Nippon Piston Ring Co. 1982
Showing 1–11 of 11 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Kentaro Takahashi | 4 |
| 1 | Masajiro Takeshita | 4 |
| 1 | Yoshikatsu Nakamura | 4 |
| #4 | Shigeru Urano | 2 |
| #4 | Takeshi Hiraoka | 2 |
| #6 | Fumihiro Ushijima | 1 |
| #6 | Hiroshi Sakamaki | 1 |
| #6 | Keiji Nakamura | 1 |
| #6 | Tadashi Saitou | 1 |
| #6 | Toshiyuki Maeda | 1 |
| #6 | Teruo Onozaki | 1 |