Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254746 | Means silencing suction noise in internal combustion engines | Shoichi Chiba, Hirofumi Ishizaki | 1981-03-10 |
KK
Kunio Konuma
Overall (All Time): #4,085,157 of 4,157,543Top 100%
1
Patents All Time