G01M 11/30
Testing of optical devices, constituted by fibre optics or optical waveguides
Official title: {Testing of optical devices, constituted by fibre optics or optical waveguides}
G01M11/30 (Testing of optical devices, constituted by fibre optics or optical waveguides) appears on 2,298 US grants and 2,070 published applications in this corpus.
Search patents in G01M- Granted patents
- 2,298
- Published applications
- 2,070
- Assignees
- 823
- Inventors
- 3,954
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 28 | 0 |
| 1988 | 26 | 0 |
| 1989 | 22 | 0 |
| 1990 | 28 | 0 |
| 1991 | 44 | 0 |
| 1992 | 31 | 0 |
| 1993 | 30 | 0 |
| 1994 | 35 | 0 |
| 1995 | 34 | 0 |
| 1996 | 25 | 0 |
| 1997 | 27 | 0 |
| 1998 | 29 | 0 |
| 1999 | 29 | 0 |
| 2000 | 23 | 0 |
| 2001 | 26 | 6 |
| 2002 | 36 | 53 |
| 2003 | 50 | 80 |
| 2004 | 60 | 74 |
| 2005 | 67 | 66 |
| 2006 | 82 | 55 |
| 2007 | 55 | 41 |
| 2008 | 49 | 64 |
| 2009 | 30 | 63 |
| 2010 | 42 | 56 |
| 2011 | 49 | 63 |
| 2012 | 53 | 42 |
| 2013 | 49 | 54 |
| 2014 | 64 | 95 |
| 2015 | 68 | 82 |
| 2016 | 81 | 91 |
| 2017 | 90 | 103 |
| 2018 | 97 | 97 |
| 2019 | 119 | 90 |
| 2020 | 90 | 106 |
| 2021 | 100 | 114 |
| 2022 | 105 | 129 |
| 2023 | 90 | 114 |
| 2024 | 92 | 112 |
| 2025 | 95 | 117 |
| 2026 | 82 | 103 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01M 11/31With a light emitter and a light receiver being disposed at the1,197
- G01M 11/33With a light emitter being disposed at one fibre or waveguide end-face792
- G01M 11/35In which light is transversely coupled into or out of the fibre159
- G01M 11/37In which light is projected perpendicularly to the axis of the fibre118
- G01M 11/39In which light is projected from both sides of the fiber or98
Recent patents
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- Optical-electronic printed circuit board, parameter determination method, electronic device, and storage medium29 Sep 2026US 12,748,259 B2Zte Corporation
- Apparatus and methods for monitoring optical fiber system integrity15 Sep 2026US 12,736,438 B2OneSubsea IP UK Limited
- Measuring device, measuring method, and computer-readable recording medium8 Sep 2026US 12,730,034 B2Yokogawa Electric Corporation
- Edge coupler testing device and method, and test array8 Oct 2026US 2026/0309580 A1Silith Technology Pte. Ltd.
- Characterizing structural and geometric properties of optical fibers8 Oct 2026US 2026/0309581 A1Corning Incorporated
- Optical fiber characteristic measuring device, optical fiber characteristic measuring method, and variable optical delay device1 Oct 2026US 2026/0298769 A1Yokogawa Electric Corporation
- Methods, apparatus and systems for polarization extinction ratio detection of multi-fiber devices1 Oct 2026US 2026/0298770 A1
- Active traceable fiber optic cable1 Oct 2026US 2026/0303206 A1Panduit Corp.
Most cited
By later US patents
- Polarization independent optical coherence-domain reflectometry334US 5,202,745 AHewlett-Packard Company · 1993
- Broadband light source system and method and light source combiner281US 6,570,659 B2LightLab Imaging, Inc. · 2003
- Retractable optical fiber assembly260US 6,915,058 B2Corning Cable Systems LLC · 2005
- De-embedment of optical component characteristics and calibration of optical receivers using rayleigh backscatter197US 6,947,147 B2Agilent Technologies, Inc. · 2005
- Systems and methods for measuring a profile characteristic of a glass sample187US 8,854,623 B2Corning Incorporated · 2014