H04Q 3/52
Using static devices in switching stages
Official title: using static devices in switching stages, e.g. electronic switching arrangements
H04Q3/52 (Using static devices in switching stages) appears on 290 US grants and 97 published applications in this corpus.
Search patents in H04Q- Granted patents
- 290
- Published applications
- 97
- Assignees
- 132
- Inventors
- 496
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 18 | 0 |
| 1978 | 23 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 4 |
| 2003 | 5 | 7 |
| 2004 | 9 | 12 |
| 2005 | 6 | 6 |
| 2006 | 7 | 2 |
| 2007 | 6 | 9 |
| 2008 | 5 | 2 |
| 2009 | 4 | 5 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 5 |
| 2019 | 7 | 6 |
| 2020 | 3 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 7 |
| 2023 | 6 | 5 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method with multi-stage electrical interconnection network26 May 2026US 12,641,039 B2Samsung Electronics Co., Ltd.
- Device and method with multi-stage electrical interconnection network26 May 2026US 12,641,040 B2Samsung Electronics Co., Ltd.
- Multi-die non-blocking crossbar switch8 Apr 2025US 12,273,668 B2Xilinx, Inc.
- Network configuration enumeration device, network configuration enumeration method and network configuration enumeration program11 Feb 2025US 12,225,331 B2Nippon Telegraph and Telephone Corporation
- Add/drop multiplexer, network system, transmission method, non-transitory computer readable medium, and management device30 Apr 2024US 11,973,579 B2NEC Corporation
- Device and method with multi-stage electrical interconnection network3 Sep 2026US 2026/0261526 A1Samsung Electronics Co., Ltd.
- Multi-die non-blocking crossbar switch20 Jun 2024US 2024/0205570 A1Xilinx, Inc.
- Device and method with multi-stage electrical interconnection network21 Dec 2023US 2023/0412524 A1Samsung Electronics Co., Ltd.
- Transmission device, transmission method, relay device, relay device control method, reception device, reception device control method, and network system31 Aug 2023US 2023/0276366 A1Sony Group Corporation
- Device and method with multi-stage electrical interconnection network10 Aug 2023US 2023/0254269 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Method and apparatus for a rearrangeably non-blocking switching matrix245US 6,982,974 B1Cisco Technology, Inc. · 2006
- Modular multistage switch for a parallel computing system221US 5,123,011 AGeneral Electric Company · 1992
- Optical cross-point switch204US 4,074,142 A1978
- Fault-tolerant array of cross-point switching matrices124US 4,605,928 AInternational Business Machines Corporation · 1986
- Programmable logic device123US 4,847,612 APlug Logic, Inc. · 1989