H04L 13/00
Details of the apparatus or circuits covered by groups h04l15/00 or h04l17/00
Official title: Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
H04L13/00 (Details of the apparatus or circuits covered by groups h04l15/00 or h04l17/00) appears on 82 US grants and 51 published applications in this corpus.
Search patents in H04L- Granted patents
- 82
- Published applications
- 51
- Assignees
- 62
- Inventors
- 174
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 5 | 3 |
| 2018 | 3 | 10 |
| 2019 | 3 | 4 |
| 2020 | 8 | 7 |
| 2021 | 2 | 1 |
| 2022 | 5 | 1 |
| 2023 | 2 | 7 |
| 2024 | 2 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Communication management device, communication management method, and storage medium for communication management24 Mar 2026US 12,588,013 B2Denso Corporation
- Communication control device, communication control method, and storage medium for communication control3 Feb 2026US 12,542,750 B2Denso Corporation
- Communication apparatus, method, and program20 Jan 2026US 12,531,937 B2Denso Corporation
- Work machine18 Nov 2025US 12,473,715 B2Hitachi Construction Machinery Co., Ltd.
- Signal generation device and signal generation method2 Sep 2025US 12,407,489 B2Anritsu Corporation
- Communication device and communication system capable of detecting a failure of a device connected to a communication bus13 Aug 2026US 2026/0238571 A1Autonetworks Technologies, Ltd.
- Vehicle-mounted system, management device, and management method10 Apr 2025US 2025/0117059 A1Autonetworks Technologies, Ltd.
- Monitoring device, monitoring method, and monitoring program6 Mar 2025US 2025/0080445 A1Nippon Telegraph and Telephone Corporation
- Communication apparatus, method, and program20 Jun 2024US 2024/0205310 A1Denso Corporation
- Signal generation device and signal generation method1 Feb 2024US 2024/0039688 A1Anritsu Corporation
Most cited
By later US patents
- Communication system for electronic messages160US 6,275,849 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- Personal computer--as an interface between a telephone station set and a business communication system146US 4,748,656 AAmerican Telephone and Telegraph Company · 1988
- Method and apparatus for using pushbutton telephone keys for generation of alpha-numeric information140US 3,967,273 ABell Telephone Laboratories, Incorporated · 1976
- Computer-telephone interface method and apparatus88US 4,860,342 A1989
- Data communication system70US 4,907,094 ACanon Kabushiki Kaisha · 1990