H03K 3/26
By the use, as active elements, of bipolar transistors with internal or
Official title: by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence)
H03K3/26 (By the use, as active elements, of bipolar transistors with internal or) appears on 677 US grants and 142 published applications in this corpus.
Search patents in H03K- Granted patents
- 677
- Published applications
- 142
- Assignees
- 245
- Inventors
- 908
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 32 | 0 |
| 1978 | 21 | 0 |
| 1979 | 14 | 0 |
| 1980 | 27 | 0 |
| 1981 | 24 | 0 |
| 1982 | 22 | 0 |
| 1983 | 15 | 0 |
| 1984 | 13 | 0 |
| 1985 | 22 | 0 |
| 1986 | 31 | 0 |
| 1987 | 18 | 0 |
| 1988 | 20 | 0 |
| 1989 | 29 | 0 |
| 1990 | 20 | 0 |
| 1991 | 22 | 0 |
| 1992 | 19 | 0 |
| 1993 | 20 | 0 |
| 1994 | 18 | 0 |
| 1995 | 27 | 0 |
| 1996 | 22 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 14 | 0 |
| 2000 | 6 | 0 |
| 2001 | 18 | 0 |
| 2002 | 5 | 6 |
| 2003 | 6 | 5 |
| 2004 | 5 | 10 |
| 2005 | 2 | 14 |
| 2006 | 9 | 6 |
| 2007 | 10 | 3 |
| 2008 | 4 | 3 |
| 2009 | 3 | 4 |
| 2010 | 4 | 5 |
| 2011 | 3 | 5 |
| 2012 | 3 | 3 |
| 2013 | 5 | 7 |
| 2014 | 10 | 6 |
| 2015 | 5 | 6 |
| 2016 | 6 | 7 |
| 2017 | 8 | 5 |
| 2018 | 3 | 4 |
| 2019 | 9 | 5 |
| 2020 | 5 | 6 |
| 2021 | 8 | 7 |
| 2022 | 7 | 9 |
| 2023 | 6 | 9 |
| 2024 | 10 | 3 |
| 2025 | 6 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-power flip flop circuit30 Sep 2025US 12,431,873 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Flip flop circuit2 Sep 2025US 12,407,335 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Flip flop circuit2 Sep 2025US 12,407,336 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Method for forming a timing circuit arrangements for flip-flops29 Jul 2025US 12,375,069 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Data retention circuit and method8 Jul 2025US 12,355,446 B2Taiwan Semiconductor Manufacturing Company.Ltd
- SiGe High-Frequency Pulse-Width Modulation for Low-Noise Applications13 Aug 2026US 2026/0238202 A1
- Method for forming a timing circuit arrangements for flip-flops1 Jan 2026US 2026/0005677 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Flip Flop Circuit27 Nov 2025US 2025/0364977 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Data retention circuit and method12 Jun 2025US 2025/0192758 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Low-power flip flop circuit5 Sep 2024US 2024/0297639 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Photo-sensor cell suitable for IC chip312US 5,055,668 ANissan Motor Co., Ltd. · 1991
- Comparator unit for a flash analog-to-digital converter194US 4,910,518 ASamsun Semiconductor and Telecommunications Co., Ltd. · 1990
- On-chip voltage controlled oscillator105US 5,604,466 AInternational Business Machines Corporation · 1997
- Tunable astable multivibrator with buffer transistors91US 4,692,718 AU. S. Philips Corporation · 1987
- Latch circuit and method with complementary clocking and level sensitive scan capability89US 5,172,011 ADigital Equipment Corporation · 1992