H03F 3/45089
Non-folded cascode stages
Official title: {Non-folded cascode stages}
H03F3/45089 (Non-folded cascode stages) appears on 262 US grants and 208 published applications in this corpus.
Search patents in H03F- Granted patents
- 262
- Published applications
- 208
- Assignees
- 142
- Inventors
- 445
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 10 | 12 |
| 2003 | 10 | 13 |
| 2004 | 11 | 10 |
| 2005 | 16 | 12 |
| 2006 | 13 | 15 |
| 2007 | 8 | 8 |
| 2008 | 12 | 9 |
| 2009 | 7 | 12 |
| 2010 | 13 | 5 |
| 2011 | 2 | 4 |
| 2012 | 9 | 6 |
| 2013 | 8 | 2 |
| 2014 | 6 | 3 |
| 2015 | 2 | 3 |
| 2016 | 4 | 4 |
| 2017 | 5 | 3 |
| 2018 | 7 | 8 |
| 2019 | 14 | 17 |
| 2020 | 9 | 13 |
| 2021 | 8 | 6 |
| 2022 | 9 | 2 |
| 2023 | 3 | 11 |
| 2024 | 5 | 8 |
| 2025 | 6 | 8 |
| 2026 | 4 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable gain optical modulator with open collector driver amplifier and method of operation18 Aug 2026US 12,712,508 B2MACOM Technology Solutions Holdings, Inc.
- Receiver circuit and optical receiver circuit4 Aug 2026US 12,700,841 B2Sumitomo Electric Industries, Ltd.
- Variable gain optical modulator with open collector driver amplifier and method of operation3 Mar 2026US 12,567,847 B2MACOM Technology Solutions Holdings, Inc.
- Independent control loops to minimize positive and negative mismatch in differential amplifiers27 Jan 2026US 12,537,493 B2MACOM Technology Solutions Holdings, Inc.
- Amplifier circuit18 Nov 2025US 12,476,597 B2Sumitomo Electric Industries, Ltd.
- Amplifier circuit building block24 Sep 2026US 2026/0291445 A1Harman International Industries, Incorporated
- Differential amplifier with rf switch function20 Aug 2026US 2026/0246435 A1Fujikura Ltd.
- Power amplifier13 Aug 2026US 2026/0238166 A1Fujikura Ltd.
- Rf amplifier16 Jul 2026US 2026/0205076 A1STMicroelectronics International N. V.
- Integrate-and-hold circuit18 Jun 2026US 2026/0171977 A1
Most cited
By later US patents
- Linear variable gain amplifiers137US 6,563,382 B1International Business Machines Corporation · 2003
- Balanced high-frequency device and balance-characteristics improving method and balanced high-frequency circuit using the same78US 6,900,705 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Apparatus with distortion cancelling feedback signal65US 5,613,233 ARockwell International Corporation · 1997
- Cascode single-ended to differential converter65US 5,929,710 ANational Semiconductor Corporation · 1999
- Amplifier with active bias compensation and method for adjusting quiescent current54US 6,046,642 AMotorola, Inc. · 2000