G03B 7/18
In accordance with light-reducing "factor" of filter or other obturator used with
Official title: in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera
G03B7/18 (In accordance with light-reducing "factor" of filter or other obturator used with) appears on 64 US grants and 55 published applications in this corpus.
Search patents in G03B- Granted patents
- 64
- Published applications
- 55
- Assignees
- 35
- Inventors
- 155
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 5 |
| 2012 | 1 | 3 |
| 2013 | 4 | 0 |
| 2014 | 3 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 1 | 1 |
| 2020 | 1 | 6 |
| 2021 | 7 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System capable of changing aperture value of diaphragm within lens apparatus on both lens side and camera side, pickup apparatus, lens apparatus, control method, and storage medium25 Aug 2026US 12,720,210 B2Canon Kabushiki Kaisha
- System and method to eliminate incident light reflection from displays in cameras23 Jun 2026US 12,663,570 B2Dell Products L. P.
- Camera and method for detecting an object28 Oct 2025US 12,457,424 B2Sick AG
- Imaging apparatus26 Aug 2025US 12,400,423 B2FUJIFILM Corporation
- Projecting device and method for recognizing object with image projection15 Jul 2025US 12,363,445 B2Samsung Electronics Co., Ltd.
- Optical apparatus, image pickup apparatus, and imaging system18 Jun 2026US 2026/0169353 A1Canon Kabushiki Kaisha
- Imaging apparatus13 Nov 2025US 2025/0349105 A1FUJIFILM Corporation
- System and Method to Eliminate Incident Light Reflection from Displays in Cameras24 Apr 2025US 2025/0130358 A1Dell Products L. P.
- System capable of changing aperture value of diaphragm within lens apparatus on both lens side and camera side, pickup apparatus, lens apparatus, control method, and storage medium3 Oct 2024US 2024/0329493 A1Canon Kabushiki Kaisha
- Support Device for Close-Up Photography with Adjustable Lighting and Fixed Focus Distance26 Sep 2024US 2024/0319565 A1
Most cited
By later US patents
- Image pickup apparatus including selective insertion of ND filter into taking lens optical path based on luminance of object to be imaged18US 7,199,830 B1Minolta Co., Ltd. · 2007
- Electronically controlled optical color correction system for a camera17US 5,172,146 A1992
- Camera16US 6,137,958 ACanon Kabushiki Kaisha · 2000
- Imaging device, imaging device control method and program16US 8,817,107 B2Sony Corporation · 2014
- Automatic exposure control circuit for photomicrographic apparatus15US 3,987,463 AOlympus Optical Co., Ltd. · 1976