H02M 7/7575
For high voltage direct transmission link
Official title: {for high voltage direct transmission link}
H02M7/7575 (For high voltage direct transmission link) appears on 166 US grants and 116 published applications in this corpus.
Search patents in H02M- Granted patents
- 166
- Published applications
- 116
- Assignees
- 79
- Inventors
- 361
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 4 | 2 |
| 2013 | 1 | 4 |
| 2014 | 3 | 6 |
| 2015 | 3 | 9 |
| 2016 | 6 | 9 |
| 2017 | 12 | 11 |
| 2018 | 10 | 14 |
| 2019 | 11 | 12 |
| 2020 | 10 | 8 |
| 2021 | 8 | 7 |
| 2022 | 4 | 5 |
| 2023 | 7 | 6 |
| 2024 | 5 | 1 |
| 2025 | 6 | 5 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control apparatus, control method, and program for suppressing oscillation in a DC power supply system30 Jun 2026US 12,671,250 B2NTT, Inc.
- Modular braking adjuster with hybrid design7 Oct 2025US 12,438,481 B2Innomotics GmbH
- Power conversion system and control device for same5 Aug 2025US 12,381,397 B2Mitsubishi Electric Corporation
- Controllable grid interface for microgrids8 Jul 2025US 12,355,256 B2
- Voltage source converter switching valve with dynamic target voltage1 Jul 2025US 12,348,156 B2GE Vernova Infrastructure Technology LLC
- Power Conversion System6 Aug 2026US 2026/0229989 A1Mitsubishi Electric Corporation
- Assembly6 Aug 2026US 2026/0231816 A1General Electric Technology GmbH
- Relating to dc voltage control in power transmission networks25 Jun 2026US 2026/0180332 A1GE Vernova Infrastructure Technology LLC
- Improvements relating to dc voltage control in power transmission networks25 Jun 2026US 2026/0180333 A1GE Vernova Infrastructure Technology LLC
- Power Conversion System11 Jun 2026US 2026/0163492 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Power source system55US 4,308,575 ATokyo Shibaura Denki Kabushiki Kaisha · 1981
- Pulse width modulation power transmission system53US 4,941,079 AThe Royal Institution for the Advancement of Learning · 1990
- Multiple DC, single AC converter with a switched DC transformer37US 5,631,820 ABattelle Memorial Institute · 1997
- DC power transmission system of voltage source converter using pulse-interleaving auxiliary circuit37US 7,499,291 B2Myongji University Industry and Academia Cooperation Foundation · 2009
- Control apparatus for D.C. power transmission system21US 4,555,750 AMitsubishi Denki Kabushiki Kaisha · 1985