Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4605032 | Air vent device for fuel tank on vehicle | Mitsutoshi Hayashi, Michihiro Ohkawa | 1986-08-12 |
KN
Kazunobu Nagaoka
Overall (All Time): #3,999,981 of 4,157,543Top 100%
1
Patents All Time