G03B 9/24
Adjusting size of aperture formed by members when fully open so as
Official title: Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
G03B9/24 (Adjusting size of aperture formed by members when fully open so as) appears on 98 US grants and 31 published applications in this corpus.
Search patents in G03B- Granted patents
- 98
- Published applications
- 31
- Assignees
- 39
- Inventors
- 108
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 24 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 2 |
| 2008 | 3 | 4 |
| 2009 | 2 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Imaging device and shake suppression method12 Aug 2025US 12,386,241 B2FUJIFILM Corporation
- Variable aperture module, imaging lens module and electronic device8 Apr 2025US 12,271,106 B2Largan Precision Co., Ltd.
- Blade drive device29 Sep 2020US 10,788,731 B2Nidec Copal Corporation
- Mobile device with variable aperture function26 Mar 2019US 10,241,381 B2Issa Technology Co., Ltd.
- Focal plane shutter for cameras and digital camera provided with the same28 Feb 2017US 9,581,881 B2Nidec Copal Corporation
- Imaging device and shake suppression method6 Nov 2025US 2025/0341758 A1FUJIFILM Corporation
- Variable aperture module, imaging lens module and electronic device19 Jun 2025US 2025/0199382 A1Largan Precision Co., Ltd.
- Variable aperture module, imaging lens module and electronic device29 Feb 2024US 2024/0069410 A1Largan Precision Co., Ltd.
- Imaging device and shake suppression method29 Jun 2023US 2023/0205051 A1FUJIFILM Corporation
- Blade opening and closing device and imaging apparatus14 May 2020US 2020/0150512 A1Sony Corporation
Most cited
By later US patents
- Camera having a photo-taking lens barrel movable in the direction of the optic axis85US 4,721,972 ANippon Kogaku K. K. · 1988
- Lens guide mechanism of a lens shutter type of camera39US 5,812,889 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1998
- Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement35US 4,040,072 APolaroid Corporation · 1977
- Lens barrel having a linear guide mechanism24US 5,793,537 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1998
- Camera blade shutter module24US 7,798,730 B2Flextronics AP, LLC · 2010