G01J 1/42
Photometry: using electric radiation detectors
Official title: using electric radiation detectors (optical or mechanical part G01J1/04; by comparison with a reference light or electric value G01J1/10)
G01J1/42 (Photometry: using electric radiation detectors) appears on 7,174 US grants and 7,324 published applications in this corpus.
Search patents in G01J- Granted patents
- 7,174
- Published applications
- 7,324
- Assignees
- 2,965
- Inventors
- 14,862
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 30 | 0 |
| 1978 | 20 | 0 |
| 1979 | 11 | 0 |
| 1980 | 20 | 0 |
| 1981 | 21 | 0 |
| 1982 | 28 | 0 |
| 1983 | 13 | 0 |
| 1984 | 30 | 0 |
| 1985 | 18 | 0 |
| 1986 | 24 | 0 |
| 1987 | 45 | 0 |
| 1988 | 38 | 0 |
| 1989 | 64 | 0 |
| 1990 | 52 | 0 |
| 1991 | 68 | 0 |
| 1992 | 52 | 0 |
| 1993 | 51 | 0 |
| 1994 | 34 | 0 |
| 1995 | 45 | 0 |
| 1996 | 46 | 0 |
| 1997 | 40 | 0 |
| 1998 | 55 | 0 |
| 1999 | 51 | 0 |
| 2000 | 38 | 0 |
| 2001 | 48 | 21 |
| 2002 | 76 | 73 |
| 2003 | 69 | 98 |
| 2004 | 76 | 125 |
| 2005 | 62 | 142 |
| 2006 | 122 | 164 |
| 2007 | 98 | 132 |
| 2008 | 115 | 159 |
| 2009 | 129 | 177 |
| 2010 | 120 | 175 |
| 2011 | 111 | 192 |
| 2012 | 139 | 238 |
| 2013 | 195 | 286 |
| 2014 | 274 | 356 |
| 2015 | 313 | 399 |
| 2016 | 351 | 452 |
| 2017 | 363 | 448 |
| 2018 | 431 | 474 |
| 2019 | 487 | 463 |
| 2020 | 441 | 487 |
| 2021 | 430 | 472 |
| 2022 | 433 | 496 |
| 2023 | 388 | 397 |
| 2024 | 449 | 383 |
| 2025 | 334 | 327 |
| 2026 | 203 | 188 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01J 1/44Electric circuits3,100
- G01J 1/4228Arrangements with two or more detectors1,182
- G01J 1/4204With determination of ambient light1,086
- G01J 1/4257Applied to monitoring the characteristics of a beam963
- G01J 1/429Applied to measurement of ultraviolet light722
- G01J 2001/4247For testing lamps or other light sourcesIndexing code488
- G01J 2001/4266For measuring solar lightIndexing code352
- G01J 2001/4242Modulated lightIndexing code179
Recent patents
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- Polarization independent optoelectronic device and method6 Oct 2026US 12,754,067 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Dual-band optical antenna for subwavelength wireless networks6 Oct 2026US 12,754,068 B2Abu Dhabi University
- Laser measurement apparatus having a removable and replaceable beam dump6 Oct 2026US 12,754,069 B2Ophir Optronics Solutions Ltd.
- Image sensor and electronic device6 Oct 2026US 12,754,070 B2Huawei Technologies Co., Ltd.
- Optical cra detector unit, multispectral sensor system, and method for light sensing8 Oct 2026US 2026/0309542 A1ams-OSRAM AG
- Determining ambient light levels8 Oct 2026US 2026/0309543 A1Mobileye Vision Technologies Ltd.
- Optical Detector Unit, UV Index Sensor, and Method for Multispectral Light Sensing, in particular for determining the UV Index8 Oct 2026US 2026/0309544 A1ams-OSRAM AG
- Light-detecting device and electronic apparatus8 Oct 2026US 2026/0309545 A1Sony Semiconductor Solutions Corporation
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
Most cited
By later US patents
- Automatic rearview mirror system using a photosensor array1,778US 5,550,677 ADonnelly Corporation · 1996
- Rearview vision system for vehicle including panoramic view1,778US 5,670,935 ADonnelly Corporation · 1997
- Display enhancements for vehicle vision system1,367US 5,949,331 ADonnelly Corporation · 1999
- Automatic rearview mirror, vehicle lighting control and vehicle interior monitoring system using a photosensor array1,303US 5,877,897 ADonnelly Corporation · 1999
- Vehicle imaging system with stereo imaging1,176US 6,396,397 B1Donnelly Corporation · 2002