H03K 23/44
Using field-effect transistors
Official title: using field-effect transistors {(H03K23/46 and H03K23/425 take precedence)}
H03K23/44 (Using field-effect transistors) appears on 67 US grants and 37 published applications in this corpus.
Search patents in H03K- Granted patents
- 67
- Published applications
- 37
- Assignees
- 49
- Inventors
- 121
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 6 |
| 2008 | 4 | 3 |
| 2009 | 5 | 6 |
| 2010 | 2 | 0 |
| 2011 | 2 | 3 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 3 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bidirectional counter and integrated circuit including the same28 Jul 2026US 12,695,456 B2Research & Business Foundation Sungkyunkwan University
- Signal sampling circuit and semiconductor memory29 Jul 2025US 12,374,382 B2Changxin Memory Technologies, Inc.
- Frequency divider and memory device including the same19 Nov 2024US 12,149,247 B2Samsung Electronics Co., Ltd.
- Integrating analog-to-digital converter and semiconductor device16 Jul 2024US 12,040,813 B2Renesas Electronics Corporation
- Phase synchronized LO generation2 May 2023US 11,640,184 B2Mediatek Inc.
- Bidirectional counter and integrated circuit including the same6 Mar 2025US 2025/0080119 A1Research & Business Foundation Sungkyunkwan University
- Frequency divider and memory device including the same13 Jul 2023US 2023/0223941 A1Samsung Electronics Co., Ltd.
- Integrating analog-to-digital converter and semiconductor device23 Mar 2023US 2023/0087101 A1Renesas Electronics Corporation
- Signal sampling circuit and semiconductor memory19 Jan 2023US 2023/0017682 A1Changxin Memory Technologies, Inc.
- Low-jitter frequency division clock clock circuit23 Sep 2021US 2021/0297080 A1No. 24 Research Institute of China Electronics Technology Group Corporation
Most cited
By later US patents
- High speed digital programmable frequency divider76US 4,951,303 A1990
- Low power CMOS frequency divider50US 4,395,774 ANational Semiconductor Corporation · 1983
- High frequency divider circuits and methods33US 7,298,183 B2WiLinx, Inc. · 2007
- Counter provided with complementary field effect transistor inverters30US 4,114,049 ATokyo Shibaura Electric Co., Ltd. · 1978
- High speed frequency divider circuit29US 6,166,571 ALucent Technologies Inc. · 2000