Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745339 | Lamp failure detecting device for automobile | Minoru Izawa, Ritsuo Suzuki, Kenichi Kinoshita | 1988-05-17 |
RD
Ryohei Doi
Overall (All Time): #3,952,110 of 4,157,543Top 100%
1
Patents All Time