G03B 9/02
Diaphragms
G03B9/02 (Diaphragms) appears on 845 US grants and 851 published applications in this corpus.
Search patents in G03B- Granted patents
- 845
- Published applications
- 851
- Assignees
- 267
- Inventors
- 1,418
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 11 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 14 | 0 |
| 1983 | 16 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 12 | 7 |
| 2003 | 6 | 8 |
| 2004 | 9 | 9 |
| 2005 | 7 | 17 |
| 2006 | 5 | 29 |
| 2007 | 15 | 35 |
| 2008 | 14 | 25 |
| 2009 | 17 | 22 |
| 2010 | 28 | 30 |
| 2011 | 35 | 28 |
| 2012 | 18 | 37 |
| 2013 | 25 | 34 |
| 2014 | 35 | 33 |
| 2015 | 32 | 34 |
| 2016 | 18 | 24 |
| 2017 | 32 | 38 |
| 2018 | 35 | 43 |
| 2019 | 30 | 60 |
| 2020 | 41 | 59 |
| 2021 | 58 | 36 |
| 2022 | 29 | 35 |
| 2023 | 35 | 38 |
| 2024 | 30 | 69 |
| 2025 | 44 | 55 |
| 2026 | 49 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Imaging lens module and electronic device29 Sep 2026US 12,748,341 B2Largan Precision Co., Ltd.
- Iris module and camera module including the same22 Sep 2026US 12,743,001 B2Samsung Electro-Mechanics Co., Ltd.
- Camera and switch22 Sep 2026US 12,743,010 B2FUJIFILM Corporation
- Camera module including aperture1 Sep 2026US 12,724,321 B2Samsung Electronics Co., Ltd.
- 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
- Optical system and camera module24 Sep 2026US 2026/0287854 A1LG Innotek Co., Ltd.
- Iris device and camera module comprising same24 Sep 2026US 2026/0287976 A1Jahwa Electronics Co., Ltd.
- Actuator assembly17 Sep 2026US 2026/0275968 A1Cambridge Mechatronics Limited
- Imaging lens assembly module and electronic device17 Sep 2026US 2026/0276980 A1Largan Precision Co., Ltd.
- Light shielding unit and lens barrel equipped with the same17 Sep 2026US 2026/0277076 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Aperture stop-down confirmation device for camera87US 4,322,144 ACanon Kabushiki Kaisha · 1982
- Fast switching camera aperture72US 7,367,723 B2Mitsubishi Electric Research Laboratories, Inc. · 2008
- Method of controlling electromagnetic actuator in a camera, and actuator controllable thereby66US 4,333,722 AEastman Kodak Company · 1982
- Method and apparatus for controlling radiant energy39US 4,257,086 AKoehler Manufacturing Company · 1981
- Amount-of-light adjusting device34US 5,689,746 ACanon Kabushiki Kaisha · 1997