Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634444 | Intake port structure in an internal combustion engine | Hirosuke Niwa, Izumi Sugiyama | 1997-06-03 |
MM
Masato Matsuki
Overall (1997): #108,821 of 185,788Top 60%
1
Patents 1997