G01J 4/02
Polarimeters of separated-field type
Official title: Polarimeters of separated-field type; Polarimeters of half-shadow type
G01J4/02 (Polarimeters of separated-field type) appears on 62 US grants and 61 published applications in this corpus.
Search patents in G01J- Granted patents
- 62
- Published applications
- 61
- Assignees
- 53
- Inventors
- 185
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 4 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 8 |
| 2016 | 4 | 2 |
| 2017 | 7 | 5 |
| 2018 | 4 | 5 |
| 2019 | 4 | 6 |
| 2020 | 6 | 3 |
| 2021 | 6 | 5 |
| 2022 | 6 | 3 |
| 2023 | 1 | 4 |
| 2024 | 4 | 6 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for imaging with a pixelated metasurface waveplate and a uniform polarizer18 Aug 2026US 12,710,313 B2Corning Incorporated
- Scalable nanoimprint manufacturing of functional multi-layer metasurface devices24 Mar 2026US 12,585,043 B2Arizona Board of Regents on behalf of Arizona State University
- Reflective polarized light separation and diffraction element and optical measurement device comprising same21 Oct 2025US 12,449,575 B2Jasco Corporation
- Matrix-based characterization and measurements for semiconductor thin-film material2 Sep 2025US 12,405,223 B2The Board of Trustees of the Leland Stanford Junior University
- Systems and methods for infrared sensing6 Aug 2024US 12,055,442 B2Waymo LLC
- Scalable nanoimprint manufacturing of functional multi-layer metasurface devices24 Sep 2026US 2026/0287787 A1Arizona Board of Regents on behalf of Arizona State University
- Systems and Methods for Performing Polarization Imaging15 May 2025US 2025/0155290 A1Vayu Robotics, Inc.
- System and method for imaging with a pixelated metasurface waveplate and a uniform polarizer8 May 2025US 2025/0146873 A1Corning Incorporated
- Methods and apparatus of determining a stress-related characteristic of a substrate13 Mar 2025US 2025/0085177 A1Corning Incorporated
- Scalable nanoimprint manufacturing of functional multi-layer metasurface devices7 Nov 2024US 2024/0369738 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- System for measuring polarimetric spectrum and other properties of a sample87US 6,184,984 B2KLA-Tencor Corporation · 2001
- System for measuring polarimetric spectrum and other properties of a sample83US 6,611,330 B2KLA-Tencor Corporation · 2003
- System for analyzing surface characteristics with self-calibrating capability74US 6,734,968 B12004
- System for analyzing surface characteristics with self-calibrating capability60US 6,804,003 B1KLA-Tencor Corporation · 2004
- Temporally multiplexed LADAR polarimeter23US 10,816,649 B1The United States of America as represented by the Secretary of the Air Force · 2020