Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644483 | Method of inspecting spark plug and method of manufacturing spark plug | — | 2020-05-05 |
MO
Masafumi Okuda
Overall (2020): #358,341 of 565,922Top 65%
1
Patents 2020