Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888783 | Semiconductor laser device | Keisuke Kojima, Kazuo Kyuma, Susumu Noda, Masaaki Kameya, Jun Ohta | 1989-12-19 |
KH
Koichi Hammanaka
Overall (All Time): #3,943,958 of 4,157,543Top 95%
1
Patents All Time