Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5606942 | Valve operating system for multi-valve engine | Tetsushi Saito, Naoki Tsuchida | 1997-03-04 |
| 5595156 | Induction control system for multi-valve engine | — | 1997-01-21 |
HT
Hiroyuki Tsuzuku
Overall (1997): #37,923 of 185,788Top 25%
2
Patents 1997