Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122154 | Method for manufacturing spark plug using a jig having a varied shape recess to prevent displacement of the noble tip during welding | Hiroki Yamamoto | 2018-11-06 |
HW
Hidekazu Wakita
Overall (2018): #396,273 of 503,207Top 80%
1
Patents 2018