H01S 3/094057
By tapered duct or homogenized light pipe
Official title: {by tapered duct or homogenized light pipe, e.g. for concentrating pump light}
H01S3/094057 (By tapered duct or homogenized light pipe) appears on 129 US grants and 119 published applications in this corpus.
Search patents in H01S- Granted patents
- 129
- Published applications
- 119
- Assignees
- 95
- Inventors
- 304
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 11 |
| 2003 | 8 | 9 |
| 2004 | 10 | 11 |
| 2005 | 7 | 5 |
| 2006 | 7 | 10 |
| 2007 | 3 | 2 |
| 2008 | 5 | 5 |
| 2009 | 3 | 4 |
| 2010 | 4 | 5 |
| 2011 | 1 | 9 |
| 2012 | 2 | 7 |
| 2013 | 6 | 4 |
| 2014 | 9 | 4 |
| 2015 | 1 | 4 |
| 2016 | 7 | 5 |
| 2017 | 4 | 3 |
| 2018 | 3 | 5 |
| 2019 | 4 | 2 |
| 2020 | 1 | 3 |
| 2021 | 4 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- All-fiber laser oscillators adopting side-pump signal-and-pump combiners6 Aug 2024US 12,057,673 B2Lightel Technologies, Inc.
- Laser pumping device and system including geometric light concentrator and thermal insulator12 Mar 2024US 11,929,593 B2National Tsing Hua University
- Q-switched cavity dumped sub-nanosecond laser17 Oct 2023US 11,791,603 B2Cynosure, Inc.
- A Thin Disk Laser System16 Apr 2026US 2026/0104595 A1Fyzikalni Ustav Av Cr, V. V. I.
- Adiabatically tapered double pass fiber endcap30 Oct 2025US 2025/0337212 A1
- Fiber amplifier26 Jun 2025US 2025/0210929 A1Nippon Telegraph and Telephone Corporation
- Cone laser-gain module, double-side-pumped cone laser-gain module, cone laser amplifier, and cone laser oscillator16 Jan 2025US 2025/0023315 A1National Tsing Hua University
- Quantum Current Transformer Based on Bidirectional Light Compensation24 Oct 2024US 2024/0356298 A1Anhui Guosheng Quantum Technology Co., Ltd.
Most cited
By later US patents
- Laser amplifying system73US 5,553,088 ADeutsche Forschungsanstalt fuer Luft - und Raumfahrt e. V. · 1996
- Laser-pumped compound waveguide lasers and amplifiers59US 6,160,824 AMaxios Laser Corporation · 2000
- High efficiency 2 micrometer laser utilizing wing-pumped Tm.sup.3+ and a laser diode array end-pumping architecture57US 5,689,522 AThe Regents of the University of California · 1997
- Kilowatt-class diode laser system53US 8,488,245 B1Teradiode, Inc. · 2013
- End and side pumped laser51US 4,794,615 ASpectra Diode Laboratories, Inc. · 1988