Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196235 | Electrode material spark plug electrode, and spark plug | Hajime Ota | 2021-12-07 |
YU
Yasuhisa Uehara
Overall (All Time): #2,765,416 of 4,157,543Top 70%
1
Patents All Time