H04N 1/3201
Rejecting unwanted calls
Official title: {Rejecting unwanted calls}
H04N1/3201 (Rejecting unwanted calls) appears on 30 US grants and 33 published applications in this corpus.
Search patents in H04N- Granted patents
- 30
- Published applications
- 33
- Assignees
- 23
- Inventors
- 61
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 0 |
| 2013 | 3 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
By publication year.
Recent patents
- Information processing apparatus registering and displaying rejected facsimile number, information processing system, and information processing7 Mar 2023US 11,601,567 B2Ricoh Company, Ltd.
- Facsimile device rejecting facsimile based on transmission source list21 Feb 2023US 11,588,952 B2Ricoh Company, Ltd.
- Facsimile communication device, image forming apparatus, registration method, and non-transitory recording medium1 Nov 2022US 11,489,983 B2Ricoh Company, Ltd.
- Transparent fax call processing in a mobile device30 Nov 2021US 11,190,646 B2Advanced Messaging Technologies, Inc.
- Identifying and controlling unwanted calls4 Feb 2020US 10,554,812 B2International Business Machines Corporation
- Facsimile communication device, image forming apparatus, registration method, and non-transitory recording medium2 Jun 2022US 2022/0174176 A1Ricoh Company, Ltd.
- Information processing apparatus, information processing system, and information processing method19 May 2022US 2022/0159141 A1Ricoh Company, Ltd.
- Electronic device, facsimile communication system, facsimile receiving method, and non-transitory recording medium5 May 2022US 2022/0141348 A1Ricoh Company, Ltd.
- Transparent fax call processing in a mobile device21 Nov 2019US 2019/0356786 A1Advanced Messaging Technologies, Inc.
- Identifying and controlling unwanted calls16 May 2019US 2019/0149659 A1International Business Machines Corporation
Most cited
By later US patents
- System and method for discouraging communications considered undesirable by recipients47US 6,697,462 B2Vanguish, Inc. · 2004
- Method and apparatus for automatically handling faxes24US 6,721,059 B1Hewlett-Packard Develpoment Company, L.P. · 2004
- Communication apparatus14US 6,442,252 B1Canon Kabushiki Kaisha · 2002
- Communication terminal device, facsimile device, and a method of controlling communication terminal device and facsimile device8US 7,382,476 B1Ricoh Company, Ltd. · 2008
- Fax transmission denial by sensing for CNG tones within a telephone network6US 7,006,612 B1SBC Knowledge Ventures, L. P. · 2006