HDM Systems Corporation

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Allston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulse-by-pulse current limit with slope compensator for inverters
- Patent number 12,199,501
- Issue date Jan 14, 2025
- HDM SYSTEMS CORPORATION
- James Jin Xiong Zeng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Sequencing switched single capacitor for automatic equalization of...
- Patent number 7,888,910
- Issue date Feb 15, 2011
- HDM Systems Corporation
- James Jin Xiong Zeng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High performance inverter charger system
- Patent number 7,710,077
- Issue date May 4, 2010
- HDM Systems Corp.
- James Jin Xiong Zeng
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter charger system
- Patent number D605589
- Issue date Dec 8, 2009
- HDM Systems Corporation
- James Jin Xiong Zeng
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Methods and apparatuses for determining battery capacity
- Patent number 7,405,571
- Issue date Jul 29, 2008
- HDM Systems Corporation
- David S. C. Liu
- G01 - MEASURING TESTING
Information Patent Grant
Battery charging method
- Patent number 6,841,974
- Issue date Jan 11, 2005
- HDM Systems Corporation
- Steve W. Dykeman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
PULSE-BY-PULSE CURRENT LIMIT WITH SLOPE COMPENSATOR FOR INVERTERS
- Publication number 20250149976
- Publication date May 8, 2025
- HDM Systems Corporation
- JAMES JIN XIONG ZENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INPUT TRANSIENT PROTECTION AND REVERSE PROTECTION FOR INVERTERS
- Publication number 20240171064
- Publication date May 23, 2024
- HDM Systems Corporation
- JAMES JIN XIONG ZENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PULSE-BY-PULSE CURRENT LIMIT WITH SLOPE COMPENSATOR FOR INVERTERS
- Publication number 20240171063
- Publication date May 23, 2024
- HDM Systems Corporation
- JAMES JIN XIONG ZENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Trademarklast 30 trademarks

Information Trademark
75706012 - ION - X
- Serial number 75706012
- Registration number 2585803
- Filing date May 12, 1999
- ion-X
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments