Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979380 | Valve timing control device | Kazumi Ogawa, Katsuhiko Eguchi, Kongo Aoki, Naoki Kira | 1999-11-09 |
| 5377639 | Variable valve timing system | Kongo Aoki | 1995-01-03 |
HN
Hiroyuki Nakadouzono
Overall (All Time): #2,254,511 of 4,157,543Top 55%
2
Patents All Time