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H01S 3/2316

Cascaded amplifiers

Official title: {Cascaded amplifiers}

H01S3/2316 (Cascaded amplifiers) appears on 450 US grants and 460 published applications in this corpus.

Search patents in H01S

Granted patents: 450
Published applications: 460
Assignees: 242
Inventors: 951
Latest grant: 1 Sep 2026

Filings by year

H01S 3/2316: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	5	0
1978	1	0
1979	3	0
1980	3	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	1	0
1988	1	0
1989	2	0
1990	7	0
1991	3	0
1992	2	0
1993	6	0
1994	2	0
1995	1	0
1996	6	0
1997	3	0
1998	8	0
1999	5	0
2000	4	0
2001	3	1
2002	9	5
2003	2	4
2004	2	9
2005	5	16
2006	6	6
2007	6	9
2008	8	13
2009	9	17
2010	13	29
2011	16	15
2012	14	22
2013	27	28
2014	28	31
2015	31	26
2016	26	21
2017	21	27
2018	23	33
2019	20	18
2020	23	32
2021	21	23
2022	22	17
2023	13	15
2024	15	19
2025	13	11
2026	9	13

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

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Interleaved multi-pass optical amplifier16 Jun 2026US 12,658,667 B2Arizona Board of Regents on Behalf of the University of Arizona
Passive high energy Q-switched laser system with optically synchronized multi-stage/multi-pass amplification9 Jun 2026US 12,651,883 B2Candela Corporation
Apparatus and method for adjusting the wavelength of light14 Apr 2026US 12,603,471 B2Imperial College Innovations Limited
Optical amplification system, optical amplification apparatus and optical amplification method10 Mar 2026US 12,574,136 B2NTT, Inc.

Most cited

By later US patents