G04G 19/04
Capacitive voltage division or multiplication
G04G19/04 (Capacitive voltage division or multiplication) appears on 30 US grants and 4 published applications in this corpus.
Search patents in G04G- Granted patents
- 30
- Published applications
- 4
- Assignees
- 18
- Inventors
- 38
- Latest grant
- 22 Feb 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electronic device, electronic timepiece and battery charging method22 Feb 2022US 11,258,292 B2Casio Computer Co., Ltd.
- Analog electronic watch11 Nov 2014US 8,885,444 B2Seiko Instruments Inc.
- Electronic timepiece5 Feb 2008US 7,327,638 B2Citizen Holdings Co., Ltd.
- Cascaded charge pump power supply with different gate oxide thickness transistors22 Nov 2005US 6,967,523 B2Mosaid Technologies Incorporated
- Electronic apparatus and control method for electronic apparatus28 May 2002US 6,396,772 B1Seiko Epson Corporation
- Electronic device, electronic timepiece and battery charging method26 Dec 2019US 2019/0393715 A1Casio Computer Co., Ltd.
- Analog electronic watch26 Sep 2013US 2013/0250741 A1Seiko Instruments Inc.
- Electronic clock, electronic apparatus and starting method3 Nov 2005US 2005/0243657 A1Citizen Watch Co., Ltd.
- Charge pump power supply1 Aug 2002US 2002/0101744 A1Mosaid Technologies Incorporated
Most cited
By later US patents
- Circuit for obtaining DC voltage higher than power source voltage87US 4,061,929 AKabushiki Kaisha Daini Seikosha · 1977
- Capacitive voltage converter employing CMOS switches77US 3,975,671 AIntel Corporation · 1976
- Direct current power converters employing digital techniques used in electronic timekeeping apparatus63US 3,955,353 AOptel Corporation · 1976
- Voltage multiplier for an electronic time apparatus63US 4,068,295 AEbauches S.A. · 1978
- Voltage booster circuit using level shifter composed of two complementary MIS circuits30US 4,029,973 AHitachi, Ltd. · 1977