B65H 2553/41
Photoelectric detectors
B65H2553/41 (Photoelectric detectors) appears on 1,045 US grants and 909 published applications in this corpus.
Search patents in B65H- Granted patents
- 1,045
- Published applications
- 909
- Assignees
- 358
- Inventors
- 2,252
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 16 | 0 |
| 1992 | 18 | 0 |
| 1993 | 23 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 20 | 0 |
| 1997 | 14 | 0 |
| 1998 | 21 | 0 |
| 1999 | 20 | 0 |
| 2000 | 32 | 0 |
| 2001 | 23 | 6 |
| 2002 | 18 | 18 |
| 2003 | 27 | 31 |
| 2004 | 24 | 32 |
| 2005 | 10 | 22 |
| 2006 | 33 | 26 |
| 2007 | 12 | 31 |
| 2008 | 14 | 36 |
| 2009 | 22 | 30 |
| 2010 | 22 | 39 |
| 2011 | 43 | 41 |
| 2012 | 34 | 39 |
| 2013 | 41 | 38 |
| 2014 | 37 | 35 |
| 2015 | 34 | 48 |
| 2016 | 42 | 55 |
| 2017 | 44 | 34 |
| 2018 | 32 | 41 |
| 2019 | 45 | 42 |
| 2020 | 28 | 46 |
| 2021 | 33 | 44 |
| 2022 | 40 | 40 |
| 2023 | 34 | 44 |
| 2024 | 38 | 34 |
| 2025 | 35 | 44 |
| 2026 | 27 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sheet conveying apparatus and printer29 Sep 2026US 12,747,123 B2Toshiba Tec Kabushiki Kaisha
- Sheet conveyance apparatus, sheet processing apparatus, and image forming apparatus22 Sep 2026US 12,741,838 B2Canon Kabushiki Kaisha
- Sheet storage apparatus and image forming system including the same8 Sep 2026US 12,729,082 B2KYOCERA Document Solutions Inc.
- Media ejecting apparatus, control method, and non-transitory computer-executable medium18 Aug 2026US 12,709,512 B2Pfu Limited
- Image forming apparatus, method for processing information relating to sheet, and recording medium28 Jul 2026US 12,692,113 B2Konica Minolta, Inc.
- Information processing system, non-transitory computer readable medium storing program, and information processing method1 Oct 2026US 2026/0301354 A1FUJIFILM Business Innovation Corp.
- Automatic document feeder and automatic document feeding method24 Sep 2026US 2026/0285630 A1Etria Co., Ltd.
- Sheet conveyance apparatus, image forming apparatus and image forming system23 Jul 2026US 2026/0208988 A1Canon Kabushiki Kaisha
- Apparatus, system and method for cutting and delivering stamped contacts28 May 2026US 2026/0145897 A1Jabil Inc.
- Sheet transport device, sheet reading device, and image forming apparatus26 Mar 2026US 2026/0084912 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Two dimensional object position sensor145US 6,476,376 B1Xerox Corporation · 2002
- Sensing apparatus for detecting and determining the width of media along a feed path145US 9,219,836 B2Datamax-O'Neil Corporation · 2015
- Means for determining difference in copy sheet transportation states for an electrostatic reproduction machine101US 4,166,615 ASharp Kabushiki Kaisha · 1979
- Apparatus for the automated processing of bulk mail and the like88US 4,863,037 AOpex Corporation · 1989
- Autosetpoint registration control system and method associated with a web converting manufacturing process86US 7,123,981 B2Kimberly-Clark Worldwide, Inc. · 2006