Top Inventors at Nippon Piston Ring Co. 2019
Showing 1–40 of 40 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Oshige | 3 |
| 1 | Kazuhiro Fujimura | 3 |
| 1 | Satoshi IKEMI | 3 |
| #4 | Atsushi Chiba | 2 |
| #4 | Hideki Moriguchi | 2 |
| #4 | Hiroyuki Sugiura | 2 |
| #4 | Iwao Hiraishi | 2 |
| #4 | Katsuaki Ogawa | 2 |
| #4 | Kenichi Sato | 2 |
| #4 | Takahiro Okazaki | 2 |
| #4 | Tadashi Saito | 2 |
| #4 | Tetsumi Arahi | 2 |
| #4 | Yoshihiro Ito | 2 |
| #4 | Yoshikazu Tanaka | 2 |
| #15 | Akinori Shibata | 1 |
| #15 | Hiroyuki Hasegawa | 1 |
| #15 | Hideshi Hitosugi | 1 |
| #15 | Hiromichi Yokokawa | 1 |
| #15 | Junpei Ogawa | 1 |
| #15 | Kazumoto Takahashi | 1 |
| #15 | Kenji Arai | 1 |
| #15 | Keisuke Ishii | 1 |
| #15 | Kiyoshi Suwa | 1 |
| #15 | Kouji Kunitake | 1 |
| #15 | Makoto Kajiwara | 1 |
| #15 | Masataka Okano | 1 |
| #15 | Naoyuki Akimoto | 1 |
| #15 | Noriaki Chida | 1 |
| #15 | Ryosuke Kamata | 1 |
| #15 | Ryouichi Yoshino | 1 |
| #15 | Seisuke Takaki | 1 |
| #15 | Takaaki Kondo | 1 |
| #15 | Takuma Suzuki | 1 |
| #15 | Toyoki Iguchi | 1 |
| #15 | Tomonori Miyazawa | 1 |
| #15 | Tomoki Okita | 1 |
| #15 | Toshiyuki Sawada | 1 |
| #15 | Toru Tsukui | 1 |
| #15 | Tsugane Hirase | 1 |
| #15 | Yasuyuki Murata | 1 |