H01P 9/04
Interdigital lines
H01P9/04 (Interdigital lines) appears on 7 US grants and 5 published applications in this corpus.
Search patents in H01P- Granted patents
- 7
- Published applications
- 5
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 20 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Microstrip capacitors with complementary resonator structures20 Oct 2020US 10,811,755 B2CommScope Technologies LLC
- Phase shifter10 Jul 2018US 10,020,792 B2Google Inc.
- Coplanar differential bi-strip delay line, higher-order differential filter and filtering antenna furnished with such a line6 Nov 2012US 8,305,283 B2Commissariat A L' Energie Atomique
- Tuneable ferroelectric delay line having mirror image conductors5 Jan 2010US 7,642,883 B2Telefonaktiebolaget LM Ericsson (publ)
- Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite18 Jul 2006US 7,079,078 B2Alps Electric Co., Ltd.
- Microstrip capacitors with complementary resonator structures4 Jul 2019US 2019/0207289 A1CommScope Technologies LLC
- Phase Shifter30 Mar 2017US 2017/0093363 A1Google Inc.
- Coplanar differential bi-strip delay line, higher-order differential filter and filtering antenna furnished with such a line13 May 2010US 2010/0117759 A1Commissariat A L' Energie Atomique
- Tuneable delay line12 Jul 2007US 2007/0159271 A1Telefonaktiebolaget LM Ericsson (publ)
- Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite14 Oct 2004US 2004/0201524 A1Alps Electric Co., Ltd.
Most cited
By later US patents
- Coplanar differential bi-strip delay line, higher-order differential filter and filtering antenna furnished with such a line15US 8,305,283 B2Commissariat A L' Energie Atomique · 2012
- Interdigital slow wave coplanar transmission line12US 5,777,532 ATFR Technologies, Inc. · 1998
- Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite11US 7,079,078 B2Alps Electric Co., Ltd. · 2006
- Microwave delay assembly9US 5,252,934 AAT&T Bell Laboratories · 1993
- Phase shifter1US 10,020,792 B2Google Inc. · 2018