H04N 1/4406
Restricting access
Official title: {Restricting access, e.g. according to user identity (mechanisms actuated y cards, PIN or the like in apparatus for dispensing G07F7/08)}
H04N1/4406 (Restricting access) appears on 2,246 US grants and 2,798 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,246
- Published applications
- 2,798
- Assignees
- 286
- Inventors
- 3,178
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 9 |
| 2002 | 14 | 34 |
| 2003 | 10 | 29 |
| 2004 | 9 | 24 |
| 2005 | 14 | 55 |
| 2006 | 17 | 84 |
| 2007 | 19 | 149 |
| 2008 | 21 | 117 |
| 2009 | 43 | 152 |
| 2010 | 56 | 153 |
| 2011 | 82 | 117 |
| 2012 | 143 | 94 |
| 2013 | 142 | 122 |
| 2014 | 139 | 113 |
| 2015 | 163 | 119 |
| 2016 | 103 | 185 |
| 2017 | 156 | 249 |
| 2018 | 193 | 202 |
| 2019 | 196 | 145 |
| 2020 | 152 | 133 |
| 2021 | 101 | 118 |
| 2022 | 110 | 108 |
| 2023 | 115 | 116 |
| 2024 | 76 | 63 |
| 2025 | 41 | 67 |
| 2026 | 29 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control system, image forming apparatus, terminal apparatus, and control method6 Oct 2026US 12,756,787 B2Sharp Kabushiki Kaisha
- Information processing apparatus, image processing apparatus and control method thereof22 Sep 2026US 12,744,854 B2Canon Kabushiki Kaisha
- Image forming apparatus and user registration method for allowing restriction of reuse of a login name11 Aug 2026US 12,707,015 B2Sharp Kabushiki Kaisha
- Reading apparatus11 Aug 2026US 12,707,016 B2Brother Kogyo Kabushiki Kaisha
- Supply item chip configured for communication with a controller28 Jul 2026US 12,695,841 B2Lexmark International, Inc.
- Methods and systems for determining the authenticity of a component8 Oct 2026US 2026/0310831 A1Lexmark International, Inc.
- Information processing apparatus, image processing apparatus, and storage medium8 Oct 2026US 2026/0313054 A1Etria Co., Ltd.
- Image forming apparatus, control method for image forming apparatus, server apparatus, control method for server apparatus, and storage medium8 Oct 2026US 2026/0313063 A1Canon Kabushiki Kaisha
- Image forming apparatus, non-transitory computer readable medium storing image forming program, and image forming system1 Oct 2026US 2026/0299482 A1FUJIFILM Business Innovation Corp.
- Information processing apparatus, service providing system, and method to modify a license based on usage1 Oct 2026US 2026/0300526 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Automatic access of electronic information through secure machine-readable codes on printed documents644US 5,933,829 ANeoMedia Technologies, Inc. · 1999
- Automatic access of electronic information through machine-readable codes on printed documents529US 6,108,656 ANeoMedia Technologies, Inc. · 2000
- Apparatus and method for preventing disclosure through user-authentication at a printing node401US 5,633,932 AIntel Corporation · 1997
- Apparatus, method and system for printing of legal currency and negotiable instruments389US 5,570,465 A1996
- Image distribution method and system375US 5,760,917 AEastman Kodak Company · 1998