H03K 3/35
By the use, as active elements, of bipolar semiconductor devices with more
Official title: by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region (H03K3/023, H03K3/027 take precedence)
H03K3/35 (By the use, as active elements, of bipolar semiconductor devices with more) appears on 45 US grants and 7 published applications in this corpus.
Search patents in H03K- Granted patents
- 45
- Published applications
- 7
- Assignees
- 32
- Inventors
- 58
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Single rail bidirectional pulse driver23 Dec 2025US 12,506,469 B2Google Inc.
- Processing apparatus1 Apr 2025US 12,263,673 B2Canon Kabushiki Kaisha
- Dynamic D flip-flop, data operation unit, chip, hash board and computing device15 Feb 2022US 11,251,781 B2Canaan Creative Co., Ltd.
- Thyristor-based optical flip-flop7 Mar 2017US 9,590,600 B2Opel Solar, Inc.
- Integrated lateral high-voltage diode and thyristor24 Apr 2012US 8,164,110 B1RF Micro Devices, Inc.
- Single rail bidirectional pulse driver21 Mar 2024US 2024/0097663 A1Google Inc.
- Processing apparatus24 Nov 2022US 2022/0371342 A1Canon Kabushiki Kaisha
- Dynamic d flip-flop, data operation unit, chip, hash board and computing device14 Apr 2022US 2022/0116027 A1Canaan Creative Co., Ltd.
- Dynamic d flip-flop, data operation unit, chip, hash board and computing device3 Jun 2021US 2021/0167761 A1Canaan Creative Co., Ltd.
- Camera lighting power supply8 Oct 2020US 2020/0323060 A1Aptiv Technologies AG
Most cited
By later US patents
- Self biased differential amplifier with hysteresis82US 6,118,318 AInternational Business Machines Corporation · 2000
- Fuel supply apparatus for internal combustion engines43US 3,980,053 ABeeston Company Limited · 1976
- Automobile theft alarm with ignition controlled automatic arming means35US 3,956,732 A1976
- Semiconductor store element and stores formed by matrices of such elements19US 3,986,177 AThomson-CSF · 1976
- Memory circuit17US 4,031,412 AHitachi, Ltd. · 1977