H04N 1/32797
Systems adapted to communicate over more than one channel
Official title: {Systems adapted to communicate over more than one channel, e.g. via ISDN (changing transmission mode according to type of channel H04N2201/33364; multichannel or multilink communication protocols H04L69/14)}
H04N1/32797 (Systems adapted to communicate over more than one channel) appears on 197 US grants and 131 published applications in this corpus.
Search patents in H04N- Granted patents
- 197
- Published applications
- 131
- Assignees
- 48
- Inventors
- 302
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 4 |
| 2002 | 8 | 6 |
| 2003 | 8 | 6 |
| 2004 | 5 | 4 |
| 2005 | 2 | 3 |
| 2006 | 2 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 6 |
| 2009 | 7 | 6 |
| 2010 | 1 | 5 |
| 2011 | 5 | 5 |
| 2012 | 5 | 6 |
| 2013 | 9 | 7 |
| 2014 | 8 | 7 |
| 2015 | 8 | 9 |
| 2016 | 10 | 4 |
| 2017 | 8 | 10 |
| 2018 | 8 | 9 |
| 2019 | 12 | 8 |
| 2020 | 5 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming apparatus is performing wireless communication in two modes and receiving trigger frame from access point, method, and non-transitory computer readable storage medium28 Oct 2025US 12,455,708 B2Canon Kabushiki Kaisha
- Image forming apparatus for determining a communication channel to be used in a wireless communication20 May 2025US 12,307,148 B2Canon Kabushiki Kaisha
- Information processing device, control method, and recording medium4 Feb 2025US 12,219,111 B2Canon Kabushiki Kaisha
- Image forming apparatus enables first wireless communication mode via access point and second wireless communication mode not via access point and to further receive trigger frame via the access point, method, and non-transitory computer-readable storage medium11 Jun 2024US 12,008,275 B2Canon Kabushiki Kaisha
- Wireless communication processing in an information processing device30 Apr 2024US 11,973,913 B2Canon Kabushiki Kaisha
- Image forming apparatus, method, and medium29 Jan 2026US 2026/0029972 A1Canon Kabushiki Kaisha
- Information processing apparatus, control method, and storage medium that stores program4 Dec 2025US 2025/0373748 A1Canon Kabushiki Kaisha
- Information processing device, control method, and recording medium8 May 2025US 2025/0150545 A1Canon Kabushiki Kaisha
- Image forming apparatus, method, and medium29 Aug 2024US 2024/0289071 A1Canon Kabushiki Kaisha
- Information processing device, control method, and recording medium11 Jul 2024US 2024/0236255 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Interactive system for processing viewer responses to television programming375US 5,438,355 A1995
- Image forming system, image forming method and information terminal device267US 7,869,073 B2Fuji Xerox Co., Ltd. · 2011
- Dual connection mode equipped communication control apparatus91US 4,837,812 ARicoh Company, Ltd. · 1989
- Communication terminal apparatus71US 5,216,517 AKabushiki Kaisha Toshiba · 1993
- Communication terminal device67US 5,042,028 AKabushiki Kaisha Toshiba · 1991