G01D 5/344
Using polarisation
Official title: {using polarisation (G01D5/35303 takes precedence)}
G01D5/344 (Using polarisation) appears on 207 US grants and 105 published applications in this corpus.
Search patents in G01D- Granted patents
- 207
- Published applications
- 105
- Assignees
- 126
- Inventors
- 421
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 1 |
| 2003 | 4 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 6 |
| 2006 | 4 | 5 |
| 2007 | 5 | 4 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 8 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 5 | 7 |
| 2014 | 4 | 7 |
| 2015 | 7 | 7 |
| 2016 | 9 | 5 |
| 2017 | 4 | 6 |
| 2018 | 8 | 7 |
| 2019 | 6 | 8 |
| 2020 | 9 | 4 |
| 2021 | 3 | 6 |
| 2022 | 5 | 5 |
| 2023 | 4 | 1 |
| 2024 | 3 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fiber optic sensor and measurement method, apparatus and storage medium23 Jun 2026US 12,663,298 B2Zhejiang Lab
- Rotary position encoder based on polarization19 Nov 2024US 12,146,771 B2Novanta Corporation
- Position encoder with fusion of different sensor types19 Nov 2024US 12,146,773 B2Novanta Corporation
- Lower display sensor9 Jan 2024US 11,867,538 B2Hangzhou Single Micro Electronic Co., Ltd.
- Linear photonic processors and related methods26 Sep 2023US 11,768,662 B1Lightmatter, Inc.
- Encoder apparatus23 Jul 2026US 2026/0210738 A1Renishaw PLC
- Encoder apparatus23 Jul 2026US 2026/0210739 A1Renishaw PLC
- Encoder apparatus23 Jul 2026US 2026/0210740 A1Renishaw PLC
- Fiber optic sensor and measurement method, apparatus and storage medium4 Jun 2026US 2026/0153366 A1Zhejiang Lab
- Method for iteratively creating a matrix from base elements18 Dec 2025US 2025/0383218 A1POLDI Microelectronics GmbH
Most cited
By later US patents
- Apparatus using two-mode optical waveguide with non-circular core294US 4,915,468 AThe Board of Trustees of the Leland Stanford Junior University · 1990
- Multiple-point temperature sensor using optic fibers173US 4,928,005 AThomson-CSF · 1990
- Fiber optic pressure transducers and pressure sensing system incorporating same99US 5,841,131 ASchlumberger Technology Corporation · 1998
- Optical position sensor using Faraday effect element and magnetic scale79US 4,931,635 ATeijin Seiki Co., Ltd. · 1990
- Five-axis/six-axis laser measuring system55US 6,049,377 ACam C. Lau · 2000