Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543739 | Spark plug, and method for manufacturing spark plug | — | 2017-01-10 |
YS
Yasushi Sakakura
Overall (2017): #191,335 of 506,227Top 40%
1
Patents 2017