G01J 1/22
Using a variable element in the light-path
Official title: using a variable element in the light-path, e.g. filter, polarising means (G01J1/34 takes precedence)
G01J1/22 (Using a variable element in the light-path) appears on 142 US grants and 112 published applications in this corpus.
Search patents in G01J- Granted patents
- 142
- Published applications
- 112
- Assignees
- 102
- Inventors
- 290
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 6 | 3 |
| 2004 | 3 | 3 |
| 2005 | 4 | 6 |
| 2006 | 5 | 8 |
| 2007 | 3 | 7 |
| 2008 | 11 | 2 |
| 2009 | 4 | 9 |
| 2010 | 3 | 4 |
| 2011 | 6 | 7 |
| 2012 | 4 | 2 |
| 2013 | 1 | 6 |
| 2014 | 5 | 6 |
| 2015 | 5 | 5 |
| 2016 | 2 | 7 |
| 2017 | 3 | 4 |
| 2018 | 8 | 7 |
| 2019 | 7 | 7 |
| 2020 | 3 | 4 |
| 2021 | 4 | 3 |
| 2022 | 4 | 2 |
| 2023 | 1 | 4 |
| 2024 | 4 | 1 |
| 2025 | 2 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controllers for optically switchable devices18 Aug 2026US 12,710,678 B2View Operating Corporation
- System for testing light sources3 Feb 2026US 12,540,845 B2Teradyne, Inc.
- Filter device for an optical module for a lab-on-a-chip analysis device, optical module for a lab-on-a-chip analysis device and method for operating an optical module for a lab-on-a-chip analysis device13 Jan 2026US 12,523,605 B2Robert Bosch GmbH
- Laser irradiation apparatus, laser irradiation method, and recording medium recording program to be readable29 Jul 2025US 12,372,815 B2Jsw Aktina System Co., Ltd.
- SPAD-based photodetectors1 Jul 2025US 12,345,569 B2ams-OSRAM International GmbH
- System for testing light sources11 Sep 2025US 2025/0283754 A1Teradyne, Inc.
- Integrated optical system-based optical detection device2 Jan 2025US 2025/0003795 A1Optonics Co., Ltd.
- Filter Device for an Optical Module for a Lab-on-a-Chip Analysis Device, Optical Module for a Lab-on-a-Chip Analysis Device and Method for Operating an Optical Module for a Lab-on-a-Chip Analysis Device18 Jul 2024US 2024/0241054 A1Robert Bosch GmbH
- Improvements in spad-based photodetectors16 Mar 2023US 2023/0080013 A1ams-OSRAM International GmbH
- Optical control apparatus and optical control method26 Jan 2023US 2023/0027196 A1NEC Corporation
Most cited
By later US patents
- Optical sensor package and method of making same436US 6,130,448 AGentex Corporation · 2000
- Devices incorporating electrochromic elements and optical sensors211US 6,621,616 B1Gentex Corporation · 2003
- Vehicle rearview mirror system118US 7,541,570 B2Donnelly Corporation · 2009
- Liquid crystal lens driver electronics for eye protection, high speed shuttering with consistent performance117US 5,751,258 AOSD Envizion Company · 1998
- Vehicle rearview mirror system having a variable reflectance control110US 7,453,057 B2Donnelly Corporation · 2008