Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9225150 | Spark plug | Masahiro Nishida, Tomoaki Kato, Keiji Ozeki, Tsutomu Kobayashi | 2015-12-29 |
NM
Naoyuki Mukouyama
Overall (All Time): #3,086,303 of 4,157,543Top 75%
1
Patents All Time