H01S 3/09
Processes or apparatus for excitation
Official title: Processes or apparatus for excitation, e.g. pumping
H01S3/09 (Processes or apparatus for excitation) appears on 6,966 US grants and 5,407 published applications in this corpus.
Search patents in H01S- Granted patents
- 6,966
- Published applications
- 5,407
- Assignees
- 1,978
- Inventors
- 10,426
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 68 | 0 |
| 1977 | 67 | 0 |
| 1978 | 57 | 0 |
| 1979 | 47 | 0 |
| 1980 | 58 | 0 |
| 1981 | 50 | 0 |
| 1982 | 51 | 0 |
| 1983 | 47 | 0 |
| 1984 | 56 | 0 |
| 1985 | 72 | 0 |
| 1986 | 65 | 0 |
| 1987 | 81 | 0 |
| 1988 | 90 | 0 |
| 1989 | 118 | 0 |
| 1990 | 93 | 0 |
| 1991 | 113 | 0 |
| 1992 | 117 | 0 |
| 1993 | 125 | 0 |
| 1994 | 145 | 0 |
| 1995 | 102 | 0 |
| 1996 | 118 | 0 |
| 1997 | 97 | 0 |
| 1998 | 138 | 0 |
| 1999 | 146 | 0 |
| 2000 | 142 | 0 |
| 2001 | 153 | 57 |
| 2002 | 197 | 311 |
| 2003 | 231 | 256 |
| 2004 | 246 | 259 |
| 2005 | 198 | 272 |
| 2006 | 226 | 221 |
| 2007 | 152 | 233 |
| 2008 | 171 | 206 |
| 2009 | 173 | 206 |
| 2010 | 199 | 216 |
| 2011 | 155 | 192 |
| 2012 | 152 | 177 |
| 2013 | 166 | 187 |
| 2014 | 207 | 214 |
| 2015 | 227 | 256 |
| 2016 | 223 | 238 |
| 2017 | 260 | 230 |
| 2018 | 186 | 207 |
| 2019 | 200 | 226 |
| 2020 | 181 | 201 |
| 2021 | 138 | 194 |
| 2022 | 164 | 190 |
| 2023 | 118 | 219 |
| 2024 | 151 | 180 |
| 2025 | 129 | 153 |
| 2026 | 100 | 106 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hyper temporal lidar using multiple matched filters to determine target retro-reflectivity15 Sep 2026US 12,736,637 B2Aeye, Inc.
- Optical amplifying fiber, optical fiber amplifier, and optical communication system15 Sep 2026US 12,738,707 B2Furukawa Electric Co., Ltd.
- Fiber laser system15 Sep 2026US 12,738,708 B2Cegep Garneau
- Pump modulation for optical amplifier link communication8 Sep 2026US 12,731,953 B2II-Vi Delaware, Inc.
- Light source system and method of operation8 Sep 2026US 12,733,087 B1xLight Inc.
- Dynamic repetition-rate control of single-cavity dual-comb lasers8 Oct 2026US 2026/0312357 A1The Regents of the University of Colorado, a body corporate
- Hybrid optical amplifier1 Oct 2026US 2026/0302711 A11FINITY Inc.
- Cavity-assisted pump recylcing for hgh-efficiency cladding-pumped doped fiber amplifiers1 Oct 2026US 2026/0302712 A1Nokia Solutions and Networks Oy
- Dual-ended and wavelength-locked optical pumping1 Oct 2026US 2026/0302713 A1Lumentum Operations LLC
- Modulation transfer spectroscopy device1 Oct 2026US 2026/0302715 A1
Most cited
By later US patents
- Evanescent-field optical amplifiers and lasers1,018US 7,170,910 B2National Chiao Tung University · 2007
- Multiple core fiber laser and optical amplifier322US 5,566,196 ASDL, Inc. · 1996
- Single-mode amplifiers and compressors based on multi-mode fibers291US 5,818,630 AImra America, Inc. · 1998
- Optical coupler, a method of its fabrication and use252US 7,532,792 B2Crystal Fibre A/S · 2009
- Ultraviolet laser apparatus and exposure apparatus using same250US 7,023,610 B2Nikon Corporation · 2006