Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447014 | Spark plug and manufacturing method therefor | Daisuke Sumoyama, Takuto Nakada | 2019-10-15 |
TK
Takaaki Kikai
Overall (2019): #252,987 of 560,194Top 50%
1
Patents 2019