H03H 11/045
Leapfrog structures
Official title: {Leapfrog structures}
H03H11/045 (Leapfrog structures) appears on 22 US grants and 11 published applications in this corpus.
Search patents in H03H- Granted patents
- 22
- Published applications
- 11
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 13 Oct 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Area efficient baseband filter13 Oct 2015US 9,160,309 B2QUALCOMM Incorporated
- Complex filter circuit8 Sep 2009US 7,586,366 B2NEC Electronics Corporation
- Complex band-pass filter24 Jul 2007US 7,248,103 B2Atmel Corporation
- Balanced amplifier and filter using the same9 May 2006US 7,042,291 B2Kabushiki Kaisha Toshiba
- Balanced amplifier and filter using the same13 Dec 2005US 6,975,171 B2Kabushiki Kaisha Toshiba
- Area efficient baseband filter11 Jun 2015US 2015/0162895 A1QUALCOMM Incorporated
- Complex filter circuit9 Aug 2007US 2007/0182480 A1NEC Electronics Corporation
- Complex band-pass filter3 May 2007US 2007/0096799 A1Atmel Corporation
- Balanced amplifier and filter using the same12 Jan 2006US 2006/0006942 A1Kabushiki Kaisha Toshiba
- Balanced amplifier and filter using the same7 Jul 2005US 2005/0146381 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Integration circuit including a differential amplifier having a variable transconductance55US 5,384,501 AKabushiki Kaisha Toshiba · 1995
- Active transconductance filter device22US 4,839,542 AGeneral DataComm Industries, Inc. · 1989
- Integration circuit22US 5,227,681 AKabushiki Kaisha Toshiba · 1993
- Variable gain transconductance amplifier and variable bandwidth filter17US 4,881,043 AMotorola, Inc. · 1989
- Method and arrangement for gyration filtering with low power consumption15US 6,317,016 B1Koninklijke Philips Electronics N. V. · 2001