Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5720253 | Direct-injection type spark-ignition internal combustion engine | Tadashi Matoba, Teruyuki Itoh, Akihiro Iiyama | 1998-02-24 |
AK
Akihiko Kakuhou
Overall (All Time): #3,676,796 of 4,157,543Top 90%
1
Patents All Time