Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500869 | Semiconductor laser array device, semiconductor laser device, and production methods therefor | Yasuaki Yoshida, Yasuo Nakajima | 1996-03-19 |
| 5021100 | Tandem solar cell | Takashi Ishihara, Hajime Sasaki | 1991-06-04 |