H03F 3/45098
Pi types
Official title: {PI types (H03F3/45125, H03F3/45152 take precedence)}
H03F3/45098 (Pi types) appears on 269 US grants and 154 published applications in this corpus.
Search patents in H03F- Granted patents
- 269
- Published applications
- 154
- Assignees
- 134
- Inventors
- 376
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 1 |
| 2002 | 13 | 8 |
| 2003 | 10 | 11 |
| 2004 | 14 | 12 |
| 2005 | 7 | 12 |
| 2006 | 14 | 11 |
| 2007 | 7 | 7 |
| 2008 | 7 | 3 |
| 2009 | 8 | 11 |
| 2010 | 9 | 10 |
| 2011 | 10 | 3 |
| 2012 | 7 | 8 |
| 2013 | 5 | 2 |
| 2014 | 5 | 4 |
| 2015 | 2 | 2 |
| 2016 | 6 | 4 |
| 2017 | 4 | 6 |
| 2018 | 6 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 5 |
| 2021 | 7 | 12 |
| 2022 | 10 | 3 |
| 2023 | 7 | 6 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-voltage high-speed programmable equalization circuit18 Aug 2026US 12,712,512 B2Xiamen Ux Ic Co., Ltd.
- Reception apparatus to receive signals using circuit current consumption, communication system, and method for controlling reception apparatus10 Feb 2026US 12,549,211 B2Canon Kabushiki Kaisha
- Low-noise short-offset transient electromagnetic receiving conditioning circuit and receiver3 Feb 2026US 12,542,538 B1Institute of Geology and Geophysics, Chinese Academy of Sciences
- Equalization adaptation engine assisted baseline wander correction of data23 Sep 2025US 12,425,276 B2Texas Instruments Incorporated
- Variable gain amplifier with temperature compensated gain2 Jul 2024US 12,028,025 B2MACOM Technology Solutions Holdings, Inc.
- Voltage ripple suppression and memory distortion neutralization in a wireless transmission circuit27 Aug 2026US 2026/0254420 A1Qorvo US, Inc.
- Non-linear self-heating correction20 Aug 2026US 2026/0246431 A1MACOM Technology Solutions Holdings, Inc.
- Feedback amplifier input stage circuit2 Jul 2026US 2026/0189197 A1Harman International Industries, Incorporated
- Integrate-and-hold circuit18 Jun 2026US 2026/0171977 A1
- Amplifier and oscilloscope30 Apr 2026US 2026/0121601 A1R Igol Technologies Co., Ltd.
Most cited
By later US patents
- Wireless medical diagnosis and monitoring equipment1,499US 5,957,854 A1999
- Wireless medical diagnosis and monitoring equipment692US 5,862,803 A1999
- Wireless medical diagnosis and monitoring equipment582US 7,215,991 B2Motorola, Inc. · 2007
- Wireless medical diagnosis and monitoring equipment485US 6,289,238 B1Motorola, Inc. · 2001
- Wireless medical diagnosis and monitoring equipment461US 6,577,893 B1Motorola, Inc. · 2003