G03B 9/00
Exposure-making shutters
Official title: Exposure-making shutters; Diaphragms
G03B9/00 (Exposure-making shutters) appears on 2,446 US grants and 1,693 published applications in this corpus.
Search patents in G03B- Granted patents
- 2,446
- Published applications
- 1,693
- Assignees
- 533
- Inventors
- 2,940
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 72 | 0 |
| 1977 | 74 | 0 |
| 1978 | 73 | 0 |
| 1979 | 41 | 0 |
| 1980 | 60 | 0 |
| 1981 | 58 | 0 |
| 1982 | 74 | 0 |
| 1983 | 49 | 0 |
| 1984 | 28 | 0 |
| 1985 | 37 | 0 |
| 1986 | 20 | 0 |
| 1987 | 34 | 0 |
| 1988 | 32 | 0 |
| 1989 | 30 | 0 |
| 1990 | 26 | 0 |
| 1991 | 29 | 0 |
| 1992 | 25 | 0 |
| 1993 | 23 | 0 |
| 1994 | 27 | 0 |
| 1995 | 22 | 0 |
| 1996 | 25 | 0 |
| 1997 | 26 | 0 |
| 1998 | 57 | 0 |
| 1999 | 43 | 0 |
| 2000 | 36 | 0 |
| 2001 | 11 | 9 |
| 2002 | 34 | 28 |
| 2003 | 27 | 26 |
| 2004 | 43 | 44 |
| 2005 | 23 | 46 |
| 2006 | 21 | 66 |
| 2007 | 30 | 69 |
| 2008 | 43 | 59 |
| 2009 | 43 | 50 |
| 2010 | 66 | 73 |
| 2011 | 71 | 93 |
| 2012 | 58 | 105 |
| 2013 | 85 | 62 |
| 2014 | 85 | 72 |
| 2015 | 70 | 76 |
| 2016 | 65 | 55 |
| 2017 | 72 | 61 |
| 2018 | 53 | 72 |
| 2019 | 51 | 89 |
| 2020 | 76 | 102 |
| 2021 | 95 | 57 |
| 2022 | 51 | 67 |
| 2023 | 54 | 82 |
| 2024 | 56 | 87 |
| 2025 | 77 | 82 |
| 2026 | 65 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03B 9/08Shutters1,519
- G03B 9/02Diaphragms845
- G03B 9/58Means for varying duration of "open" period of shutter200
- G03B 9/70Exposure-making shutters: with flash-synchronising contacts87
- G03B 9/64Mechanism for delaying opening of shutter41
- G03B 9/66Means for cocking shutter separate from means for releasing shutter41
Recent patents
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- Iris device and camera module comprising same24 Sep 2026US 2026/0287976 A1Jahwa Electronics Co., Ltd.
- Exposure control method and apparatus for global rolling shutter, and electronic device24 Sep 2026US 2026/0292361 A1Himaging Technology (Shanghai) Co., Ltd.
- Actuator assembly17 Sep 2026US 2026/0275968 A1Cambridge Mechatronics Limited
Most cited
By later US patents
- Apparatus for automatically controlling transmission of light through a lens system141US 4,264,154 APolaroid Corporation · 1981
- Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator136US 5,920,418 AMatsushita Electric Industrial Co., Ltd. · 1999
- Printing cartridge for a camera and printer combination including an authentication device109US 7,097,263 B2Silverbrook Research Pty Ltd · 2006
- Low-cost disposable camera including print media carrying indication of postage paid91US 6,738,096 B1Silverbrook Research Pty Ltd · 2004
- Camera with a shape memory alloy member90US 5,459,544 AKonica Corporation · 1995