Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9065255 | Spark plug and method of manufacturing the same | Nobuaki Sakayanagi, Shinya Mitsuda, Tomoaki Kato | 2015-06-23 |
RO
Ryuichi Ono
Overall (All Time): #3,058,280 of 4,157,543Top 75%
1
Patents All Time