Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749971 | Metallic shell for spark plug and spark plug using the same | Takahiro SANDA, Keita Sugihara, Noriyasu Hasegawa | 2023-09-05 |
YK
Yohei KOZAKAI
Overall (2023): #193,739 of 537,848Top 40%
1
Patents 2023