H03K 17/663
Using complementary bipolar transistors
Official title: {using complementary bipolar transistors}
H03K17/663 (Using complementary bipolar transistors) appears on 37 US grants and 8 published applications in this corpus.
Search patents in H03K- Granted patents
- 37
- Published applications
- 8
- Assignees
- 32
- Inventors
- 56
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Bidirectional switch for power control in a daisy chain6 Dec 2022US 11,522,538 B2Schneider Electric Industries SAS
- Switch7 Apr 2015US 9,000,832 B1Hep Tech Co., Ltd.
- Switching power source24 Feb 2015US 8,963,513 B2Sumitomo Electric Industries, Ltd.
- Motor driving circuit20 Dec 2011US 8,080,959 B2Hitachi-LG Data Storage, Inc.
- Write driver system for data storage systems1 Feb 2011US 7,881,003 B1Marvell International Ltd.
- Bidirectional switch for power control in a daisy chain24 Mar 2022US 2022/0094355 A1Schneider Electric Industries SAS
- System for driving an inductive load of an appliance5 Mar 2020US 2020/0072376 A1Haier US Appliance Solutions, Inc.
- Switch19 Mar 2015US 2015/0077171 A1Hep Tech Co., Ltd.
- Switching power source31 May 2012US 2012/0133351 A1Sumitomo Electric Industries, Ltd.
- Motor driving circuit8 Oct 2009US 2009/0251088 A1Hitachi-LG Data Storage, Inc.
Most cited
By later US patents
- Switching amplifier circuit108US 4,475,151 A1984
- Inductive load driving method and H-bridge circuit control device71US 5,952,856 AShindengen Electric Manufacturing Co., Ltd. · 1999
- Impedance matched, voltage-mode H-bridge write drivers42US 6,121,800 ALucent Technologies Inc. · 2000
- Write drive with current mirrors which reduce feed-through32US 4,551,772 AStorage Technology Corporation · 1985
- Write driver with improvements for risetime31US 5,612,828 AVTC Inc. · 1997