Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251224 | Quantum barrier semiconductor optical device | Michinori Irikawa | 1993-10-05 |
| 5214662 | Semiconductor optical devices with pn current blocking layers of wide-band gap materials | Michinori Irikawa | 1993-05-25 |
| 5173912 | Double-carrier confinement laser diode with quantum well active and SCH structures | Michinori Irikawa, Randit S. Mand | 1992-12-22 |