Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084422 | Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers | Tsuyoshi Maruyama, Kazuhisa Ishii, Ken Sasakura, Keizo Kawaguchi, Toshio Tomiyoshi | 2006-08-01 |
| 6900467 | Semiconductor light emitting device having quantum well layer sandwiched between carrier confinement layers | Tsuyoshi Maruyama, Kazuhisa Ishii, Ken Sasakura, Keizo Kawaguchi, Toshio Tomiyoshi | 2005-05-31 |
| 5499600 | Methods for compound semiconductor crystal growth from solution | Yasuo Okuno, Hiroyuki Kato | 1996-03-19 |