Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749971 | Metallic shell for spark plug and spark plug using the same | Keita Sugihara, Noriyasu Hasegawa, Yohei KOZAKAI | 2023-09-05 |
TS
Takahiro SANDA
Overall (All Time): #2,604,975 of 4,157,543Top 65%
1
Patents All Time