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G01M 11/3163

By measuring dispersion

Official title: {by measuring dispersion}

G01M11/3163 (By measuring dispersion) appears on 30 US grants and 34 published applications in this corpus.

Search patents in G01M

Granted patents: 30
Published applications: 34
Assignees: 19
Inventors: 73
Latest grant: 21 Jul 2026

Filings by year

G01M 11/3163: granted patents and published applications per publication year
Year	Granted patents	Published applications
1999	2	0
2000	0	0
2001	1	0
2002	0	8
2003	6	2
2004	2	0
2005	1	2
2006	2	1
2007	1	0
2008	0	0
2009	0	2
2010	2	2
2011	0	1
2012	1	0
2013	1	0
2014	0	2
2015	0	0
2016	1	1
2017	1	1
2018	0	1
2019	2	1
2020	1	0
2021	1	1
2022	0	2
2023	1	0
2024	1	1
2025	2	4
2026	1	2

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

Recent patents

Method and apparatus of single-ended polarization mode dispersion measurement21 Jul 2026US 12,687,459 B2EXFO Inc.
Techniques for examination of light optical elements7 Oct 2025US 12,436,062 B2Lumus Ltd.
Dispersion measuring device, pulse light source, dispersion measuring method, and dispersion compensating method24 Jun 2025US 12,339,167 B2Hamamatsu Photonics K.K.
Fiber optic test methods, fiber optic test equipment, and programs11 Jun 2024US 12,007,298 B2Nippon Telegraph and Telephone Corporation
Dispersion measuring device, pulse light source, dispersion measuring method, and dispersion compensating method21 Nov 2023US 11,821,793 B2Hamamatsu Photonics K.K.

Most cited

By later US patents