H03H 7/00
Multiple-port networks comprising only passive electrical elements as network components
H03H7/00 (Multiple-port networks comprising only passive electrical elements as network components) appears on 8,170 US grants and 7,930 published applications in this corpus.
Search patents in H03H- Granted patents
- 8,170
- Published applications
- 7,930
- Assignees
- 2,103
- Inventors
- 12,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 24 | 0 |
| 1978 | 20 | 0 |
| 1979 | 13 | 0 |
| 1980 | 30 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 24 | 0 |
| 1984 | 30 | 0 |
| 1985 | 22 | 0 |
| 1986 | 34 | 0 |
| 1987 | 44 | 0 |
| 1988 | 38 | 0 |
| 1989 | 41 | 0 |
| 1990 | 48 | 0 |
| 1991 | 55 | 0 |
| 1992 | 49 | 0 |
| 1993 | 46 | 0 |
| 1994 | 47 | 0 |
| 1995 | 49 | 0 |
| 1996 | 60 | 0 |
| 1997 | 39 | 0 |
| 1998 | 61 | 0 |
| 1999 | 67 | 0 |
| 2000 | 89 | 0 |
| 2001 | 60 | 24 |
| 2002 | 92 | 145 |
| 2003 | 134 | 154 |
| 2004 | 125 | 152 |
| 2005 | 135 | 153 |
| 2006 | 121 | 135 |
| 2007 | 117 | 177 |
| 2008 | 120 | 206 |
| 2009 | 152 | 215 |
| 2010 | 171 | 261 |
| 2011 | 184 | 257 |
| 2012 | 193 | 295 |
| 2013 | 237 | 328 |
| 2014 | 304 | 397 |
| 2015 | 407 | 432 |
| 2016 | 419 | 405 |
| 2017 | 439 | 477 |
| 2018 | 509 | 458 |
| 2019 | 548 | 558 |
| 2020 | 580 | 552 |
| 2021 | 421 | 410 |
| 2022 | 384 | 399 |
| 2023 | 337 | 410 |
| 2024 | 349 | 385 |
| 2025 | 383 | 308 |
| 2026 | 256 | 237 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03H 7/01Frequency selective two-port networks3,825
- H03H 7/38Impedance-matching networks2,753
- H03H 7/42Networks for transforming balanced signals into unbalanced signals and vice versa936
- H03H 7/46Networks for connecting several sources or loads, working on different frequencies or885
- H03H 7/18Networks for phase shifting527
- H03H 7/48Networks for connecting several sources or loads, working on the same frequency424
- H03H 7/24Frequency- independent attenuators417
- H03H 7/30Time-delay networks132
Recent patents
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Most cited
By later US patents
- Wireless energy transfer for medical applications551US 8,937,408 B2WiTricity Corporation · 2015
- Wireless energy transfer using planar capacitively loaded conducting loop resonators449US 8,035,255 B2WiTricity Corporation · 2011
- Wireless energy transfer converters438US 8,497,601 B2WiTricity Corporation · 2013
- Wireless energy transfer using repeater resonators365US 8,729,737 B2WiTricity Corporation · 2014
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007