Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10868409 | Spark plug | Masahiro Inoue | 2020-12-15 |
RY
Ryouki Yagi
Overall (All Time): #2,832,936 of 4,157,543Top 70%
1
Patents All Time