Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737838 | Method of making a piston unit for an internal combustion engine | Yasuhiro Kawabata, Soichi Hara, Tomohiro Sawada | 1998-04-14 |
HN
Hiromi Niimi
Overall (All Time): #3,680,867 of 4,157,543Top 90%
1
Patents All Time