Yanping Ma — 15 Patents at Efficient Power Conversion

Yanping Ma has been granted 15 US patents while listed as an inventor at Efficient Power Conversion. The first was granted in 1995 and the most recent in October 2024. Yanping Ma ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Yanping Ma in Torrance, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
D1049526	Cleaning machine	Xiangyu Yang, Yongxiong Huang, Xuan Yu	2024-10-29
10312260	GaN transistors with polysilicon layers used for creating additional components	Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +8 more	2019-06-04
9837438	GaN transistors with polysilicon layers used for creating additional components	Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +8 more	2017-12-05
9583480	Integrated circuit with matching threshold voltages and method for making same	Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Robert Strittmatter +7 more	2017-02-28
9331191	GaN device with reduced output capacitance and process for making same	Stephen L. Colino, Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata +9 more	2016-05-03
9214461	GaN transistors with polysilicon layers for creating additional components	Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Guangyuan Zhao +8 more	2015-12-15
9214399	Integrated circuit with matching threshold voltages and method for making same	Jianjun Cao, Robert Beach, Alexander Lidow, Alana Nakata, Robert Strittmatter +7 more	2015-12-15
9214528	Method to fabricate self-aligned isolation in gallium nitride devices and integrated circuits	Chunhua Zhou, Jianjun Cao, Alexander Lidow, Robert Beach, Alana Nakata +6 more	2015-12-15
9171911	Isolation structure in gallium nitride devices and integrated circuits	Chunhua Zhou, Jianjun Cao, Alexander Lidow, Robert Beach, Alana Nakata +6 more	2015-10-27
8174051	III-nitride power device	Jianjun Cao, Robert Beach, Michael A. Briere	2012-05-08	$1,885,000
8082263	Method, apparatus and system for multimedia model retrieval	Qinwei Zhang	2011-12-20
6563197	MOSgated device termination with guard rings under field plate	Kenneth Wagers, Jianjun Cao	2003-05-13	$24,603,000
5916710	Sodium cobalt bronze batteries and a method for making same	Marca M. Doeff, Steven J. Visco, Lutgard C. DeJonghe	1999-06-29
5558961	Secondary cell with orthorhombic alkali metal/manganese oxide phase active cathode material	Marca M. Doeff, Marcus Y. Peng, Steven J. Visco, Lutgard C. DeJonghe	1996-09-24
5443601	Method for intercalating alkali metal ions into carbon electrodes	Marca M. Doeff, Steven J. Visco, Lutgard C. DeJonghe	1995-08-22

Yanping Ma — 15 Patents

Issued Patents All Time

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