H01S 5/32325
Red laser based on ingap
Official title: {red laser based on InGaP}
H01S5/32325 (Red laser based on ingap) appears on 209 US grants and 50 published applications in this corpus.
Search patents in H01S- Granted patents
- 209
- Published applications
- 50
- Assignees
- 55
- Inventors
- 313
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 15 | 0 |
| 1992 | 16 | 0 |
| 1993 | 24 | 0 |
| 1994 | 21 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 3 |
| 2003 | 4 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 8 |
| 2006 | 5 | 8 |
| 2007 | 1 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 4 |
| 2010 | 3 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 5 | 2 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Visible light surface emitting semiconductor laser73US 5,258,990 AThe United States of America as represented by the Secretary of the United States Department of Energy · 1993
- semiconductor light emitting devices72US 6,072,196 ARicoh Company, Ltd. · 2000
- Optical semiconductor device having an active layer containing N68US 6,233,264 B1Ricoh Company, Ltd. · 2001
- Transferring semiconductor crystal from a substrate to a resin61US 7,009,220 B2Sony Corporation · 2006
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