G01M 11/335
Using two or more input wavelengths
Official title: {using two or more input wavelengths}
G01M11/335 (Using two or more input wavelengths) appears on 163 US grants and 136 published applications in this corpus.
Search patents in G01M- Granted patents
- 163
- Published applications
- 136
- Assignees
- 110
- Inventors
- 342
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 13 |
| 2003 | 8 | 10 |
| 2004 | 7 | 8 |
| 2005 | 9 | 4 |
| 2006 | 6 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 0 | 6 |
| 2010 | 5 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 4 | 6 |
| 2014 | 11 | 8 |
| 2015 | 1 | 1 |
| 2016 | 4 | 3 |
| 2017 | 4 | 6 |
| 2018 | 4 | 6 |
| 2019 | 8 | 4 |
| 2020 | 3 | 10 |
| 2021 | 9 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 5 |
| 2024 | 5 | 10 |
| 2025 | 3 | 6 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for measurement of optical loss in wafer level testing via wavelength-route division30 Jun 2026US 12,669,405 B2Advanced Micro Foundry Pte. Ltd.
- Locating disturbances in optical fibres2 Jun 2026US 12,647,181 B2Tampnet AS
- Device for measuring the performance of an optical detector, and associated measuring method28 Apr 2026US 12,613,160 B2Lynred
- Light intensity distribution pattern measuring device and method24 Mar 2026US 12,584,818 B2NTT, Inc.
- Methods and apparatuses for optical and geometric parameter extraction for photonic integrated circuits17 Feb 2026US 12,553,792 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Active traceable fiber optic cable1 Oct 2026US 2026/0303206 A1Panduit Corp.
- Optical fiber characteristic measurement device and optical fiber characteristic measurement method17 Sep 2026US 2026/0276480 A1Toyota School Foundation
- Non-invasive real-time monitoring system for mxn optical circuit switch with mems mirror array based switch engine4 Sep 2025US 2025/0277717 A1Molex Incorporated
- A method and system for measurement of optical loss in wafer level testing via wavelength-route division31 Jul 2025US 2025/0244202 A1Advanced Micro Foundry Pte. Ltd.
- Optical fiber bending loss measuring method22 May 2025US 2025/0164347 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Apparatus for measuring distortion position of optical fiber124US 5,394,235 AAndo Electric Co., Ltd. · 1995
- Optical characteristic measuring apparatus, the method thereof and recording medium57US 6,678,041 B2Advantest Corporation · 2004
- Method and apparatus for measuring chromatic dispersion coefficient48US 4,710,022 AFujitsu Limited · 1987
- Measurement of attenuation of an optical fiber using bidirectional transmission of information via the fiber44US 5,455,672 AExto-Electro-Optical Engineering Inc. · 1995
- Optical signal power measurement method and apparatus34US 4,726,676 AGeneral Signal Corporation · 1988