H01S 5/0283
Optically inactive coating on the facet
Official title: {Optically inactive coating on the facet, e.g. half-wave coating}
H01S5/0283 (Optically inactive coating on the facet) appears on 50 US grants and 54 published applications in this corpus.
Search patents in H01S- Granted patents
- 50
- Published applications
- 54
- Assignees
- 37
- Inventors
- 143
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 7 |
| 2009 | 2 | 2 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 5 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Semiconductor laser device and method for manufacturing the same9 Jan 2024US 11,870,212 B2Mitsubishi Electric Corporation
- Laser diode chip having coated laser facet4 Jul 2023US 11,695,251 B2OSRAM OLED GmbH
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Most cited
By later US patents
- Semiconductor laser device249US 7,555,025 B2Mitsubishi Electric Corporation · 2009
- Light-emitting device214US 8,017,932 B2Rohm Co., Ltd. · 2011
- Process for passivating semiconductor laser structures with severe steps in surface topography156US 5,851,849 ALucent Technologies Inc. · 1998
- Semiconductor laser device with facet passivation film35US 4,337,443 AHitachi, Ltd. · 1982
- Half wave protection layers on injection lasers33US 4,178,564 ARCA Corporation · 1979