G05F 3/265
Using bipolar transistors only
Official title: {using bipolar transistors only}
G05F3/265 (Using bipolar transistors only) appears on 477 US grants and 135 published applications in this corpus.
Search patents in G05F- Granted patents
- 477
- Published applications
- 135
- Assignees
- 149
- Inventors
- 591
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 17 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 11 | 0 |
| 1983 | 6 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 21 | 0 |
| 1997 | 24 | 0 |
| 1998 | 18 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 12 | 4 |
| 2002 | 22 | 17 |
| 2003 | 19 | 18 |
| 2004 | 14 | 10 |
| 2005 | 9 | 5 |
| 2006 | 10 | 6 |
| 2007 | 3 | 5 |
| 2008 | 4 | 2 |
| 2009 | 7 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 4 |
| 2019 | 6 | 6 |
| 2020 | 13 | 9 |
| 2021 | 6 | 10 |
| 2022 | 10 | 5 |
| 2023 | 8 | 10 |
| 2024 | 7 | 5 |
| 2025 | 8 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bandgap reference circuit with leakage current compensation6 Oct 2026US 12,754,583 B2Richtek Technology Corporation
- Flicker noise free bandgap reference voltage generator circuit9 Jun 2026US 12,650,707 B2STMicroelectronics International N. V.
- Bandgap voltage reference core circuit, bandgap voltage reference source and semiconductor memory30 Dec 2025US 12,510,911 B2Changxin Memory Technologies, Inc.
- Voltage-to-current converter with complementary current mirrors23 Dec 2025US 12,506,454 B2Analog Devices International Unlimited Company
- Bandgap reference circuit using heterogeneous power and electronic device having the same2 Sep 2025US 12,405,627 B2Samsung Electronics Co., Ltd.
- Reference voltage circuit20 Aug 2026US 2026/0244229 A1Cypress Semiconductor Corporation
- Bandgap reference circuit with leakage current compensation2 Jul 2026US 2026/0186520 A1Richtek Technology Corporation
- Electrical constant current circuit, electrical constant current source, measurement arrangement23 Apr 2026US 2026/0111051 A1Siemens Industry Software Inc.
- Bandgap reference voltage generation circuit having high-order temperature compensation8 Jan 2026US 2026/0010190 A1
- Semiconductor device and method of manufacturing the same2 Oct 2025US 2025/0311394 A1Renesas Electronics Corporation
Most cited
By later US patents
- Method and apparatus for programmable thermal sensor for an integrated circuit99US 5,838,578 AIntel Corporation · 1998
- Digital-to-analog converter with current source transistors operated accurately at different current densities98US 3,940,760 AAnalog Devices, Inc. · 1976
- Feedback-controlled low voltage current sink/source79US 6,172,556 B2Intersil Corporation · 2001
- Single supply operational amplifier and charge pump device74US 5,289,137 ATexas Instruments Incorporated · 1994
- Current regulating circuitry68US 4,300,091 ARCA Corporation · 1981