H02M 7/53838
Using a single commutation path
Official title: using a single commutation path
H02M7/53838 (Using a single commutation path) appears on 5 US grants and 4 published applications in this corpus.
Search patents in H02M- Granted patents
- 5
- Published applications
- 4
- Assignees
- 5
- Inventors
- 10
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Resonance oscillator circuit and contactless power supply system19 Apr 2022US 11,309,741 B2National University Corporation Chiba University
- Automated portable and submersible ozone generator30 Mar 2010US 7,687,040 B2
- Current-mode resonant inverter circuit16 Jun 2009US 7,548,028 B2
- Image tube power supply19 Jul 1977US 4,037,132 AInternational Telephone and Telegraph Corporation
- High frequency power source for fluorescent lamps and the like25 Jan 1977US 4,005,335 AIota Engineering Co.
- Heat-not-burn smoking device, electromagnetic induction heating control method and control device8 May 2025US 2025/0143380 A1Dongguan Mysmok Electronic Technology Co., Ltd.
- Resonance oscillator circuit and contactless power supply system1 Jul 2021US 2021/0203187 A1National University Corporation Chiba University
- Current-mode resonant inverter circuit31 Aug 2006US 2006/0193152 A1
- Automated portable and submersible ozone generator29 Dec 2005US 2005/0284745 A1
Most cited
By later US patents
- High frequency power source for fluorescent lamps and the like44US 4,005,335 AIota Engineering Co. · 1977
- Image tube power supply10US 4,037,132 AInternational Telephone and Telegraph Corporation · 1977
- Current-mode resonant inverter circuit6US 7,548,028 B22009
- Automated portable and submersible ozone generator2US 7,687,040 B22010
- Resonance oscillator circuit and contactless power supply system1US 11,309,741 B2National University Corporation Chiba University · 2022