G01M 11/331
By using interferometer
Official title: {by using interferometer}
G01M11/331 (By using interferometer) appears on 136 US grants and 126 published applications in this corpus.
Search patents in G01M- Granted patents
- 136
- Published applications
- 126
- Assignees
- 91
- Inventors
- 273
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 14 |
| 2004 | 9 | 8 |
| 2005 | 11 | 9 |
| 2006 | 11 | 6 |
| 2007 | 7 | 4 |
| 2008 | 4 | 4 |
| 2009 | 3 | 4 |
| 2010 | 6 | 2 |
| 2011 | 2 | 5 |
| 2012 | 2 | 4 |
| 2013 | 3 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 7 |
| 2018 | 3 | 4 |
| 2019 | 7 | 4 |
| 2020 | 6 | 8 |
| 2021 | 6 | 6 |
| 2022 | 6 | 6 |
| 2023 | 5 | 1 |
| 2024 | 1 | 10 |
| 2025 | 5 | 5 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device, method and system for calculating power coupling coefficients between cores12 May 2026US 12,625,031 B2NTT, Inc.
- Device for detecting optical loss21 Apr 2026US 12,607,539 B2Msscorps Co., Ltd.
- 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
- Equipment and method for measuring loss and crosstalk that occur in optical fiber transmission line17 Feb 2026US 12,553,793 B2NTT, Inc.
- Measuring Apparatus and Method for Optical Receiver23 Jul 2026US 2026/0213839 A1NTT, Inc.
- Differential mode delay measuring device and method5 Feb 2026US 2026/0036489 A1Nippon Telegraph and Telephone Corporation
- Measurement apparatus, measurement compensation apparatus and measurement method2 Oct 2025US 2025/0306076 A1Nippon Telegraph and Telephone Corporation
- Positioning an optical waveguide to a photonic integrated circuit26 Jun 2025US 2025/0207907 A1EXFO Inc.
- Device for detecting optical loss6 Mar 2025US 2025/0076151 A1Msscorps Co., Ltd.
Most cited
By later US patents
- Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects146US 7,042,573 B2Luna Innovations Incorporated · 2006
- Apparatus and method for the complete characterization of optical devices including loss, birefringence and dispersion effects105US 6,856,400 B1Luna Technologies · 2005
- Apparatus and method for correcting errors generated by a laser with non-ideal tuning characteristics80US 6,900,897 B2Luna Technologies · 2005
- Optical position and/or shape sensing69US 8,773,650 B2Intuitive Surgical Operations, Inc. · 2014
- Arrangement for inspecting light waveguide end faces63US 4,854,701 AU. S. Philips Corporation · 1989