Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900467 | Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers | Tsuyoshi Maruyama, Ken Sasakura, Shotaro Tomita, Keizo Kawaguchi, Toshio Tomiyoshi | 2005-05-31 |