Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6420283 | methods for producing compound semiconductor substrates and light emitting elements | Atsushi Ogawa | 2002-07-16 |
| 6380051 | Layered structure including a nitride compound semiconductor film and method for making the same | Yoshihiro Ueta | 2002-04-30 |
| 6335546 | Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting device | Yuhzoh Tsuda | 2002-01-01 |
| 6252255 | Crystal growth method for nitride semiconductor, nitride light emitting device, and method for producing the same | Yoshihiro Ueta | 2001-06-26 |
| 6017774 | Method for producing group III-V compound semiconductor and fabricating light emitting device using such semiconductor | Kazuhiko Inoguchi | 2000-01-25 |
| 5995527 | Semiconductor laser device having an inn contact layer and a method of fabricating the same | Yoshihiro Ueta, Kazuhiko Inoguchi | 1999-11-30 |