Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971759 | Metallic material for flutes | Osamu Watanabe, Takashi Nara, Kuniaki Nomata | 1990-11-20 |
KA
Kojiro Akagawa
Overall (All Time): #3,915,535 of 4,157,543Top 95%
1
Patents All Time