Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9843166 | Spark plug and method for manufacturing spark plug | Kei Takahashi, Kazuhiko Mori | 2017-12-12 |
KO
Koji Okazaki
Overall (2017): #342,542 of 506,227Top 70%
1
Patents 2017