H01S 3/0816
Having 4 reflectors
Official title: {having 4 reflectors, e.g. Z-shaped resonators}
H01S3/0816 (Having 4 reflectors) appears on 197 US grants and 193 published applications in this corpus.
Search patents in H01S- Granted patents
- 197
- Published applications
- 193
- Assignees
- 152
- Inventors
- 442
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 6 | 3 |
| 2004 | 5 | 3 |
| 2005 | 3 | 7 |
| 2006 | 4 | 4 |
| 2007 | 3 | 9 |
| 2008 | 3 | 7 |
| 2009 | 7 | 13 |
| 2010 | 7 | 5 |
| 2011 | 7 | 13 |
| 2012 | 3 | 8 |
| 2013 | 7 | 3 |
| 2014 | 11 | 7 |
| 2015 | 11 | 16 |
| 2016 | 9 | 7 |
| 2017 | 9 | 7 |
| 2018 | 4 | 6 |
| 2019 | 9 | 7 |
| 2020 | 7 | 11 |
| 2021 | 6 | 17 |
| 2022 | 8 | 9 |
| 2023 | 7 | 11 |
| 2024 | 11 | 7 |
| 2025 | 9 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas laser amplifier, gas laser apparatus, EUV light generation apparatus, and EUV exposure apparatus16 Jun 2026US 12,658,664 B2Mitsubishi Electric Corporation
- Piezo-tuned nonplanar ring oscillator with GHz tuning range and 100 kHz bandwidth19 May 2026US 12,633,716 B2
- Autocorrelator and pulse amplifying device including same10 Feb 2026US 12,548,961 B2Electronics and Telecommunications Research Institute
- Pulsed laser with temporal coherence control3 Feb 2026US 12,541,135 B2Arizona Board of Regents on Behalf of the University of Arizona
- Ultraviolet laser apparatus23 Dec 2025US 12,506,318 B2Kimmon Koha Co., Ltd.
- Intracavity Frequency-Doubling Yellow Laser Device28 May 2026US 2026/0149234 A1Fuzhou Photop Optics Co., Ltd.
- Fpga-based control system and method for ti:sapphire laser7 May 2026US 2026/0128563 A1Shanxi University
- Wavelength-locked quasi-unidirectional ring cavity with diffraction grating output coupler16 Apr 2026US 2026/0106429 A1Lumentum Operations LLC
- Laser and optical apparatus including the same5 Mar 2026US 2026/0066609 A1Electronics and Telecommunications Research Institute
- Fractional handpiece with a passively q-switched laser assembly with unstable cavity operation25 Dec 2025US 2025/0387639 A1Candela Corporation
Most cited
By later US patents
- Intra-cavity beam relay for optical harmonic generation144US 5,025,446 ALaserscope · 1991
- Method and apparatus for oscillator start-up control for mode-locked laser104US 6,693,927 B1Intralase Corp. · 2004
- Dispersion-compensated laser using prismatic end elements69US 5,553,093 AMassachusetts Institute of Technology · 1996
- One-dimensional illumination apparatus and imaging apparatus63US 7,545,837 B2Sony Corporation · 2009
- Solid-state non-planar internally reflecting ring laser54US 4,578,793 AThe Board of Trustees of the Leland Stanford Junior University · 1986