G01J 1/16
Using electric radiation detectors
Official title: using electric radiation detectors (G01J1/20 takes precedence)
G01J1/16 (Using electric radiation detectors) appears on 677 US grants and 536 published applications in this corpus.
Search patents in G01J- Granted patents
- 677
- Published applications
- 536
- Assignees
- 470
- Inventors
- 1,459
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 13 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 16 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 16 | 0 |
| 1991 | 20 | 0 |
| 1992 | 15 | 0 |
| 1993 | 13 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 4 | 5 |
| 2003 | 6 | 7 |
| 2004 | 9 | 8 |
| 2005 | 12 | 8 |
| 2006 | 8 | 12 |
| 2007 | 6 | 7 |
| 2008 | 9 | 16 |
| 2009 | 12 | 22 |
| 2010 | 12 | 29 |
| 2011 | 13 | 25 |
| 2012 | 25 | 21 |
| 2013 | 27 | 30 |
| 2014 | 27 | 39 |
| 2015 | 29 | 36 |
| 2016 | 34 | 26 |
| 2017 | 29 | 29 |
| 2018 | 41 | 41 |
| 2019 | 33 | 39 |
| 2020 | 30 | 26 |
| 2021 | 31 | 27 |
| 2022 | 28 | 30 |
| 2023 | 17 | 16 |
| 2024 | 21 | 14 |
| 2025 | 13 | 13 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01J 1/1626Arrangements with two photodetectors, the signals of which are compared281
- G01J 1/18Using comparison with a reference electric value260
- G01J 2001/161Ratio method, i.e. im/irIndexing code33
- G01J 2001/1673Using a reference sampleIndexing code9
- G01J 2001/1668The measuring signal itself varying in timeIndexing code6
- G01J 2001/1678Comparing time separated signals, i.e. choppedIndexing code6
- G01J 2001/1605Null methodIndexing code1
Recent patents
- Optical concentration measuring device and signal processor29 Sep 2026US 12,747,983 B2Asahi Kasei Microdevices Corporation
- Endpoint detection in low open area and/or high aspect ratio etch applications22 Sep 2026US 12,745,608 B2APPLIED Materials.Inc.
- Ion beam time of arrival (TOA) gauge5 May 2026US 12,618,709 B2Analex Corporation
- Apparatus for estimating level of signal output from photo-detection device and method therefor10 Feb 2026US 12,546,870 B2Hyundai Motor Company
- Photoelectric conversion apparatus having measurement circuits, imaging apparatus, control method, and storage medium21 Oct 2025US 12,449,300 B2Canon Kabushiki Kaisha
- Light wavefront measurement device and light wavefront correction device16 Jul 2026US 2026/0205197 A1SCREEN Holdings Co., Ltd.
- Detection device and wearable device25 Jun 2026US 2026/0178077 A1Japan Display Inc.
- Ambient Light Sensor28 May 2026US 2026/0146889 A1Sensortek Technology Corp.
- Optical measurement systems with selective polarization26 Mar 2026US 2026/0085971 A1Apple Inc.
- Finger wearable light meter19 Mar 2026US 2026/0079043 A1Korrus, Inc.
Most cited
By later US patents
- Methods and devices for detecting intensity of light with translucent detector471US 10,750,984 B2Cercacor Laboratories, Inc. · 2020
- Multi-wavelength oximeter having a means for disregarding a poor signal414US 4,714,341 AMinolta Camera Kabushiki Kaisha · 1987
- Multiple wavelength light photometer for non-invasive monitoring379US 5,088,493 ASclavo S.p.A. · 1992
- Vehicle equipment control with semiconductor light sensors341US 6,379,013 B1Gentex Corporation · 2002
- Wireless battery-powered daylight sensor327US 8,451,116 B2Lutron Electronics Co., Inc. · 2013