Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7306961 | Optical device, surface emitting type device and method for manufacturing the same | Masayuki Ishikawa | 2007-12-11 |
| 7087935 | Optical device, surface emitting type device and method for manufacturing the same | Masayuki Ishikawa | 2006-08-08 |
| 7026182 | Semiconductor device, semiconductor laser, their manufacturing methods and etching methods | Masayuki Ishikawa | 2006-04-11 |
| 6741623 | Semiconductor device, semiconductor laser, their manufacturing methods and etching methods | Masayuki Ishikawa | 2004-05-25 |
| 6720583 | Optical device, surface emitting type device and method for manufacturing the same | Masayuki Ishikawa | 2004-04-13 |
| 6404792 | Semiconductor light-emitting device | Masahiro Yamamoto, Hidetoshi Fujimoto | 2002-06-11 |
| 6281524 | Semiconductor light-emitting device | Masahiro Yamamoto, Hidetoshi Fujimoto | 2001-08-28 |