Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9917425 | Spark plug | Takafumi Umemura, Tomoki Kawai | 2018-03-13 |
KK
Kouji Kamikawa
Overall (2018): #339,105 of 503,207Top 70%
1
Patents 2018