G03B 9/42
With adjustable slot
Official title: with adjustable slot; with mechanism controlling relative movement of plates to form slot
G03B9/42 (With adjustable slot) appears on 120 US grants and 93 published applications in this corpus.
Search patents in G03B- Granted patents
- 120
- Published applications
- 93
- Assignees
- 32
- Inventors
- 166
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 6 |
| 2013 | 3 | 2 |
| 2014 | 7 | 10 |
| 2015 | 3 | 14 |
| 2016 | 13 | 4 |
| 2017 | 8 | 5 |
| 2018 | 3 | 9 |
| 2019 | 6 | 8 |
| 2020 | 12 | 11 |
| 2021 | 7 | 4 |
| 2022 | 4 | 3 |
| 2023 | 2 | 5 |
| 2024 | 5 | 0 |
| 2025 | 1 | 7 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical system2 Sep 2025US 12,405,513 B2TDK Taiwan Corp.
- Light shielding blade and image pickup apparatus24 Dec 2024US 12,174,525 B2Canon Kabushiki Kaisha
- Shutter unit and image pickup apparatus1 Oct 2024US 12,105,409 B2Canon Kabushiki Kaisha
- Shutter unit and image pickup apparatus6 Feb 2024US 11,895,388 B2Canon Kabushiki Kaisha
- Blade driving device, imaging device, and electronic device30 Jan 2024US 11,886,108 B2Nidec Copal Corporation
- Optical element driving mechanism27 Mar 2025US 2025/0102709 A1TDK Taiwan Corp.
- Driving mechanism27 Mar 2025US 2025/0102758 A1TDK Taiwan Corp.
- Driving mechanism27 Mar 2025US 2025/0102759 A1TDK Taiwan Corp.
- Optical element driving mechanism27 Mar 2025US 2025/0102763 A1TDK Taiwan Corp.
- Driving mechanism27 Mar 2025US 2025/0102880 A1TDK Taiwan Corp.
Most cited
By later US patents
- Camera with pivoting blades56US 3,942,183 APolaroid Corporation · 1976
- Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement35US 4,040,072 APolaroid Corporation · 1977
- Compact digital camera objective with interdigitated element alignment, stray light suppression, and anti-aliasing features31US 6,072,634 AIntel Corporation · 2000
- Linear motor-driven focal plane shutter29US 4,051,499 AFuji Photo Film Co., Ltd. · 1977
- Shutter plate movement25US 3,980,407 AElectromask, Inc. · 1976