H01S 3/235
Regenerative amplifiers
Official title: {Regenerative amplifiers}
H01S3/235 (Regenerative amplifiers) appears on 188 US grants and 177 published applications in this corpus.
Search patents in H01S- Granted patents
- 188
- Published applications
- 177
- Assignees
- 114
- Inventors
- 392
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 4 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 14 |
| 2007 | 5 | 8 |
| 2008 | 6 | 8 |
| 2009 | 8 | 11 |
| 2010 | 11 | 9 |
| 2011 | 9 | 20 |
| 2012 | 11 | 12 |
| 2013 | 9 | 10 |
| 2014 | 23 | 11 |
| 2015 | 8 | 6 |
| 2016 | 10 | 4 |
| 2017 | 7 | 8 |
| 2018 | 5 | 8 |
| 2019 | 6 | 3 |
| 2020 | 3 | 6 |
| 2021 | 5 | 2 |
| 2022 | 3 | 4 |
| 2023 | 0 | 2 |
| 2024 | 4 | 5 |
| 2025 | 5 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for amplification of green laser pulses3 Mar 2026US 12,567,717 B2Imra America, Inc.
- Wavelength-tunable source of pulsed laser radiation for VIS-NIR spectroscopy28 Oct 2025US 12,455,492 B2Uab ,,Ekspla″
- Laser source for an ophthalmic surgical system2 Sep 2025US 12,403,039 B2Alcon Inc.
- Sequential-pulse single-frequency laser power amplification apparatus and sequence controllable multi-laser system22 Jul 2025US 12,368,276 B2National University of Defense Technology
- Raman amplifier with shared resonator15 Jul 2025US 12,362,531 B2Applied Energetics, Inc.
- Laser chamber preionizer having acoustic scattering surface13 Aug 2026US 2026/0237956 A1Cymer, Inc.
- Pulsed laser system6 Aug 2026US 2026/0229836 A1Aqwest LLC
- A laser for selectively operating in two different modes16 Jul 2026US 2026/0204869 A1Nkt Photonics A/S
- Optical element, laser device and method for manufacturing optical element11 Jun 2026US 2026/0163324 A1Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Laser device and electronic device manufacturing method26 Feb 2026US 2026/0058430 A1Gigaphoton Inc.
Most cited
By later US patents
- Method of, and apparatus for, surgery of the cornea329US 6,210,401 B12001
- Single-mode amplifiers and compressors based on multi-mode fibers291US 5,818,630 AImra America, Inc. · 1998
- Multiwavelength laser source226US 4,764,930 AIntelligent Surgical Lasers · 1988
- Hybrid short-pulse amplifiers with phase-mismatch compensated pulse stretchers and compressors176US 5,847,863 AImra America, Inc. · 1998
- Method and apparatus for surgery of the cornea using short laser pulses having shallow ablation depth127US 6,706,036 B22004