H01S 4/00
Devices using stimulated emission of electromagnetic radiation in wave ranges other than
Official title: Devices using stimulated emission of electromagnetic radiation in wave ranges other than those covered by groups H01S1/00, H01S3/00 or H01S5/00, e.g. phonon masers, X-ray lasers or gamma-ray lasers
H01S4/00 (Devices using stimulated emission of electromagnetic radiation in wave ranges other than) appears on 124 US grants and 64 published applications in this corpus.
Search patents in H01S- Granted patents
- 124
- Published applications
- 64
- Assignees
- 85
- Inventors
- 236
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 4 | 5 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 1 |
| 2016 | 4 | 5 |
| 2017 | 6 | 3 |
| 2018 | 6 | 10 |
| 2019 | 5 | 4 |
| 2020 | 4 | 2 |
| 2021 | 5 | 6 |
| 2022 | 3 | 2 |
| 2023 | 4 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light source system and method of operation8 Sep 2026US 12,733,087 B1xLight Inc.
- Printhead die cap19 May 2026US 12,629,939 B2Hewlett-Packard Development Company, L. P.
- Method and apparatus for selectively cancelling the effect of the active center of a molecule2 Dec 2025US 12,486,167 B2
- Electron diffraction intensity from single crystal silicon in a photoinjector27 Feb 2024US 11,915,837 B2Arizona Board of Regents on behalf of Arizona State University
- Electro-optical apparatus28 Nov 2023US 11,831,128 B2Telefonaktiebolaget LM Ericsson (publ)
- Method for generation of collimated attosecond gamma-ray radiation and electron-positron pair24 Sep 2026US 2026/0291163 A1The Extreme Light Infrastructure ERIC
- Method and apparatus for selectively cancelling the effect of the active center of a molecule2 Jan 2025US 2025/0002339 A1Universitat Politecnica De Catalunya
- Printhead die cap31 Oct 2024US 2024/0359465 A1Hewlett-Packard Development Company, L. P.
- Ultracompact, ultrashort coherent light sources operating at uv to x-ray wavelengths25 Jan 2024US 2024/0030675 A1NUtech Ventures
- Laser Module for Optical Data Communication System22 Dec 2022US 2022/0407606 A1Ayar Labs, Inc.
Most cited
By later US patents
- X-ray generator73US 3,961,197 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Tunable source of monochromatic, highly-directional x-rays and a method for producing such radiation44US 5,247,562 AMassachusetts Institute of Technology · 1993
- Source of coherent short wavelength radiation39US 4,975,917 AHarris Blake Corporation · 1990
- Producing X-rays38US 4,058,486 ABattelle Memorial Institute · 1977
- Laser synchrotron source (LSS)35US 5,353,291 AThe United States of America as represented by the Secretary of the Navy · 1994