Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233831 | Exhaust control system for internal combustion engine | Kenji Kashiyama, Ken Umehara | 1993-08-10 |
MH
Mitsuto Hitomi
Overall (All Time): #3,830,196 of 4,157,543Top 95%
1
Patents All Time