H04N 1/42
Systems for two-way working
Official title: Systems for two-way working {, e.g. conference systems (H04N1/32 takes precedence)}
H04N1/42 (Systems for two-way working) appears on 107 US grants and 86 published applications in this corpus.
Search patents in H04N- Granted patents
- 107
- Published applications
- 86
- Assignees
- 60
- Inventors
- 191
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 4 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 10 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 4 |
| 2011 | 4 | 2 |
| 2012 | 4 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 3 |
| 2015 | 9 | 10 |
| 2016 | 6 | 4 |
| 2017 | 6 | 5 |
| 2018 | 5 | 4 |
| 2019 | 3 | 2 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 2 | 3 |
| 2023 | 3 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for sending, delivery and receiving of faxes using a remotely deployed fax service or system26 Aug 2025US 12,401,754 B2Open Text SA ULC
- Image processing apparatus that communicates with a chat service, storage medium, and method of controlling the same22 Apr 2025US 12,284,323 B2Canon Kabushiki Kaisha
- Server system, information processing apparatus, and method for controlling information processing apparatus24 Dec 2024US 12,177,390 B2Canon Kabushiki Kaisha
- Server system, method for controlling server system, and storage medium24 Dec 2024US 12,177,391 B2Canon Kabushiki Kaisha
- Mobile terminal and hub apparatus for use in a video communication system2 Apr 2024US 11,950,019 B2Huddle Room Technology S.R.L.
- Image processing apparatus, storage medium, and method of controlling image processing apparatus31 Jul 2025US 2025/0247486 A1Canon Kabushiki Kaisha
- Mobile Terminal And Hub Apparatus For Use In A Video Communication System16 May 2024US 2024/0163397 A1Huddle Room Technology S.R.L.
- System and method for sending, delivery and receiving of faxes using a remotely deployed fax service or system1 Feb 2024US 2024/0040056 A1Open Text SA ULC
- Image processing apparatus, storage medium, and method of controlling image processing apparatus11 May 2023US 2023/0146878 A1Canon Kabushiki Kaisha
- Server system, information processing apparatus, and method for controlling information processing apparatus4 May 2023US 2023/0137604 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Method of and system for electronic funds transfer via facsimile machines372US 4,960,981 AMoneyfax, Inc. · 1990
- Method and apparatus for registering modification pattern of transmission image and method and apparatus for reproducing the same208US 7,224,851 B2FUJIFILM Corporation · 2007
- Home picture/video display system with ultra wide-band technology138US 7,327,385 B2Texas Instruments Incorporated · 2008
- Multimedia telemeeting terminal device, terminal device system and manipulation method thereof108US 5,432,525 AHitachi, Ltd. · 1995
- Method of and system for editing images104US 6,522,418 B2Canon Kabushiki Kaisha · 2003