Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10978857 | Method of manufacturing spark plug that reliably prevents gasket from coming off mounting screw | — | 2021-04-13 |
KK
Keijiro Kuroda
Overall (All Time): #2,721,481 of 4,157,543Top 70%
1
Patents All Time