H01S 5/3207
Ordered active layer
Official title: {ordered active layer}
H01S5/3207 (Ordered active layer) appears on 9 US grants and 1 published applications in this corpus.
Search patents in H01S- Granted patents
- 9
- Published applications
- 1
- Assignees
- 6
- Inventors
- 19
- Latest grant
- 25 Nov 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Doped semiconductor material, a method of manufacturing the doped semiconductor material, and a semiconductor device25 Nov 2003US 6,653,248 B2Sharp Kabushiki Kaisha
- Doped semiconductor material, a method of manufacturing the doped semiconductor material, and a semiconductor device30 Jul 2002US 6,426,522 B1Sharp Kabushiki Kaisha
- Semiconductor laser13 Oct 1998US 5,822,348 ANEC Corporation
- Semiconductor surface-emitting optical device having light emitting layer of ordered crystal structure sandwiched between bragg reflectors7 Oct 1997US 5,675,605 ANEC Corporation
- Semiconductor laser device and method for fabricating the same and strained quantum well crystal and method for fabricating the same29 Jul 1997US 5,652,762 AMatsushita Electric Industrial Co., Ltd.
Most cited
By later US patents
- Doped semiconductor material, a method of manufacturing the doped semiconductor material, and a semiconductor device17US 6,426,522 B1Sharp Kabushiki Kaisha · 2002
- Method of manufacturing semiconductor laser14US 5,556,804 AMitsubishi Denki Kabushiki Kaisha · 1996
- Opto-electronic device13US 4,794,606 AHitachi, Ltd. · 1988
- Semiconductor laser whose active layer has an ordered structure11US 5,305,341 AKabushiki Kaisha Toshiba · 1994
- Semiconductor laser10US 5,822,348 ANEC Corporation · 1998