H02M 3/08
Using discharge tubes without control electrode or semiconductor devices without control electrode
Official title: using discharge tubes without control electrode or semiconductor devices without control electrode
H02M3/08 (Using discharge tubes without control electrode or semiconductor devices without control electrode) appears on 45 US grants and 59 published applications in this corpus.
Search patents in H02M- Granted patents
- 45
- Published applications
- 59
- Assignees
- 52
- Inventors
- 155
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 3 |
| 2017 | 5 | 8 |
| 2018 | 5 | 5 |
| 2019 | 6 | 5 |
| 2020 | 2 | 3 |
| 2021 | 4 | 8 |
| 2022 | 5 | 4 |
| 2023 | 5 | 5 |
| 2024 | 4 | 1 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refined solar panel string converter topology1 Sep 2026US 12,727,283 B2Ampt, LLC
- Wide-range power-regulation method for wireless power receiving units by using hybrid multi-level topologies2 Dec 2025US 12,489,315 B2Capow Technologies Ltd
- Intermodulation distortion reduction in a contact hearing system7 Jan 2025US 12,192,706 B2Earlens Corporation
- Booster circuit and voltage generator13 Aug 2024US 12,062,993 B2Mitsubishi Electric Corporation
- Solar panel power conversion circuit9 Jul 2024US 12,034,087 B2Ampt, LLC
- Converter with Multifunction Output Protection Circuit and Method13 Aug 2026US 2026/0238121 A1ABB Schweiz AG
- Nfc device and operating method6 Aug 2026US 2026/0230111 A1NXP B. V.
- Fuel cell vehicle and method of controlling the same4 Jun 2026US 2026/0152095 A1Hyundai Motor Company
- Apparatus and optional unit11 Dec 2025US 2025/0379516 A1FUJIFILM Business Innovation Corp.
- Intermodulation distortion reduction in a contact hearing system4 Dec 2025US 2025/0373991 A1Earlens Corporation
Most cited
By later US patents
- Solar panel string converter topology118US 9,466,737 B2Ampt, LLC · 2016
- DC power conversion circuit116US 10,032,939 B2Ampt, LLC · 2018
- Variable voltage regulator23US 5,118,993 A1992
- DC power conversion circuit18US 10,714,637 B2Ampt, LLC · 2020
- DC power conversion circuit8US 11,411,126 B2Ampt, LLC · 2022