Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10651630 | Spark plug electrode wearing rate estimating method and apparatus | — | 2020-05-12 |
| 10218153 | Spark plug | Masahiro Inoue | 2019-02-26 |
TK
Takahiro Karumi
Overall (All Time): #1,907,516 of 4,157,543Top 50%
2
Patents All Time