Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471558 | Ventilation system for watercraft | Akira Nakatsuji, Tomoyoshi Koyanagai | 2002-10-29 |
SK
Satoshi Koyano
Overall (2002): #122,638 of 266,432Top 50%
1
Patents 2002