Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9948069 | Spark plug | Daisuke Sumoyama | 2018-04-17 |
MS
Masayuki Segawa
Overall (2018): #312,680 of 503,207Top 65%
1
Patents 2018