Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8592050 | Piston ring | Junpei Ogawa, Takaaki Kondou, Tomonori Miyazawa, Toyoki Iguchi, Takuma Suzuki +2 more | 2013-11-26 |
TM
Takeshi Makita
Nippon Piston Ring Co.: 1 patents #120 of 208Top 60%
Overall (All Time): #3,185,861 of 4,157,543Top 80%
1
Patents All Time