G03B 9/32
Double blind
G03B9/32 (Double blind) appears on 57 US grants and 10 published applications in this corpus.
Search patents in G03B- Granted patents
- 57
- Published applications
- 10
- Assignees
- 24
- Inventors
- 84
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Motor control apparatus, optical apparatus, and robot manipulator apparatus4 Jul 2023US 11,695,354 B2Canon Kabashiki Kaisha
- Driving apparatus appropriate for driving mirror unit and image pickup apparatus4 Sep 2018US 10,067,411 B2Canon Kabushiki Kaisha
- Shutter drive device26 Apr 2016US 9,323,129 B2Panasonic Intellectual Property Management Co., Ltd.
- Shutter charging device and imaging device19 Aug 2014US 8,807,852 B1Panasonic Corporation
- Focal plane shutter and camera having the same16 Oct 2012US 8,287,196 B2Samsung Electronics Co., Ltd.
- Motor control apparatus, optical apparatus, and robot manipulator apparatus25 Nov 2021US 2021/0367539 A1Canon Kabushiki Kaisha
- Driving apparatus appropriate for driving mirror unit and image pickup apparatus2 Nov 2017US 2017/0315429 A1Canon Kabushiki Kaisha
- Shutter drive device18 Jun 2015US 2015/0168805 A1Panasonic Intellectual Property Management Co., Ltd.
- Shutter charging device and imaging device14 Aug 2014US 2014/0226964 A1Panasonic Corporation
- Focal plane shutter and camera having the same23 Jun 2011US 2011/0150457 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Apparatus for automatically controlling transmission of light through a lens system141US 4,264,154 APolaroid Corporation · 1981
- Linear motor58US 4,363,980 APolaroid Corporation · 1982
- Electromagnetically driven device21US 4,319,211 AMinolta Camera Kabushiki Kaisha · 1982
- Shutter blade drive system20US 4,265,530 APolaroid Corporation · 1981
- Electrical focal plane shutter with mechanical control mechanism operative upon electromagnetic failure12US 4,024,553 AOlympus Optical Co., Ltd. · 1977