Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196235 | Electrode material spark plug electrode, and spark plug | Yasuhisa Uehara | 2021-12-07 |
HO
Hajime Ota
Overall (2021): #439,375 of 548,734Top 85%
1
Patents 2021