Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634247 | Piston structure for engine | Kazuo Ichikawa, Osamu Aoki, Takashi Ikai, Kouichi Nakano, Yoshiyuki Koga | 2020-04-28 |
SF
Shinichi Fujimaki
Overall (All Time): #2,788,514 of 4,157,543Top 70%
1
Patents All Time