H01S 5/0427
For applying modulation to the laser
Official title: {for applying modulation to the laser}
H01S5/0427 (For applying modulation to the laser) appears on 671 US grants and 635 published applications in this corpus.
Search patents in H01S- Granted patents
- 671
- Published applications
- 635
- Assignees
- 357
- Inventors
- 1,392
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 10 | 21 |
| 2003 | 25 | 27 |
| 2004 | 27 | 38 |
| 2005 | 26 | 42 |
| 2006 | 22 | 25 |
| 2007 | 19 | 26 |
| 2008 | 23 | 16 |
| 2009 | 21 | 30 |
| 2010 | 24 | 22 |
| 2011 | 26 | 17 |
| 2012 | 18 | 20 |
| 2013 | 13 | 13 |
| 2014 | 23 | 19 |
| 2015 | 30 | 26 |
| 2016 | 22 | 18 |
| 2017 | 21 | 34 |
| 2018 | 27 | 26 |
| 2019 | 30 | 26 |
| 2020 | 32 | 36 |
| 2021 | 22 | 43 |
| 2022 | 26 | 32 |
| 2023 | 20 | 16 |
| 2024 | 24 | 20 |
| 2025 | 23 | 18 |
| 2026 | 8 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical semiconductor element17 Mar 2026US 12,580,363 B2Mitsubishi Electric Corporation
- Capacitive coupling for optical or laser diodes10 Mar 2026US 12,573,814 B2Satius Holding, Inc.
- Optical semiconductor chip3 Mar 2026US 12,567,719 B2NTT, Inc.
- Circuit for pumping an active medium of a laser16 Jul 2026US 2026/0204866 A1Fotona d.o.o.
- Current regulator arrangement for a lamp arrangement, and method for operating a lamp arrangement2 Jul 2026US 2026/0190194 A1
- Driving circuit and vertical cavity surface emitting laser system25 Jun 2026US 2026/0180283 A1LUXIC Technology (Guangzhou) Co., Ltd
- Light source system and laser projection device18 Jun 2026US 2026/0171751 A1Hisense Laser Display Co., Ltd
- Directly modulated light source18 Jun 2026US 2026/0171752 A1
Most cited
By later US patents
- Laser driver circuit for burst mode transmission and fabrication method thereof1,464US 7,324,572 B2Asia Optical Co., Inc. · 2008
- Method and system for providing bidirectional light sources with broad spectrum140US 8,451,876 B1Soraa, Inc. · 2013
- Laser diode module128US 5,065,226 AU. S. Philips Corporation · 1991
- Diode drive current source110US 5,736,881 AHughes Electronics Corporation · 1998
- Directly modulated laser optical transmission system106US 7,466,925 B2Emcore Corporation · 2008