H01S 5/042
Electrical excitation
Official title: Electrical excitation {; Circuits therefor (monolithically integrated laser drive components H01S5/0261)}
H01S5/042 (Electrical excitation) appears on 4,908 US grants and 5,378 published applications in this corpus.
Search patents in H01S- Granted patents
- 4,908
- Published applications
- 5,378
- Assignees
- 1,328
- Inventors
- 8,097
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 27 | 0 |
| 1989 | 42 | 0 |
| 1990 | 29 | 0 |
| 1991 | 36 | 0 |
| 1992 | 37 | 0 |
| 1993 | 40 | 0 |
| 1994 | 45 | 0 |
| 1995 | 48 | 0 |
| 1996 | 52 | 0 |
| 1997 | 54 | 0 |
| 1998 | 74 | 0 |
| 1999 | 70 | 0 |
| 2000 | 77 | 0 |
| 2001 | 70 | 33 |
| 2002 | 81 | 155 |
| 2003 | 117 | 152 |
| 2004 | 166 | 216 |
| 2005 | 119 | 222 |
| 2006 | 160 | 178 |
| 2007 | 119 | 198 |
| 2008 | 128 | 162 |
| 2009 | 159 | 179 |
| 2010 | 171 | 156 |
| 2011 | 155 | 141 |
| 2012 | 129 | 138 |
| 2013 | 121 | 99 |
| 2014 | 136 | 109 |
| 2015 | 137 | 136 |
| 2016 | 121 | 133 |
| 2017 | 138 | 185 |
| 2018 | 164 | 218 |
| 2019 | 237 | 289 |
| 2020 | 237 | 360 |
| 2021 | 241 | 397 |
| 2022 | 206 | 390 |
| 2023 | 224 | 351 |
| 2024 | 278 | 320 |
| 2025 | 226 | 260 |
| 2026 | 161 | 201 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Device for generating a current driver voltage, and laser system29 Sep 2026US 12,750,934 B2Trumpf Laser GmbH
- Pcsel magnetometer8 Oct 2026US 2026/0309814 A1II-Vi Delaware, Inc.
- Surface emitting device and manufacturing method of surface emitting device8 Oct 2026US 2026/0312359 A1Sony Semiconductor Solutions Corporation
- Wiring structure and light emitting device8 Oct 2026US 2026/0312363 A1FUJIFILM Business Innovation Corp.
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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 of growing nitride semiconductors, nitride semiconductor substrate and nitride semiconductor device643US 6,153,010 ANichia Chemical Industries, Ltd. · 2000
- High definition lidar system584US 7,969,558 B2Velodyne Acoustics, Inc. · 2011
- Nitride semiconductor element and production method for nitride semiconductor element498US 6,818,465 B2Sony Corporation · 2004
- Apparatus and method for manufacturing a semiconductor device472US 10,103,040 B1ASM IP Holding B. V. · 2018