Hitachi Power Semiconductor Device, Ltd.

Japan

 
Total IP 192
Total IP Rank # 6,509
IP Activity Score 3/5.0    170
IP Activity Rank # 4,072

Patents

Trademarks

88 0
0 0
104 0
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Last Patent 2024 - Gate drive circuit for semicondu...
First Patent 1995 - Semiconductor device and power c...

Latest Inventions, Goods, Services

2023 Invention Overcurrent state assessment device, overcurrent state assessment method, and electric power conv...
Invention Gate drive circuit for semiconductor switching element, electric motor control system, and semico...
Invention Semiconductor dc breaker and semiconductor module. Provided is a semiconductor DC breaker which h...
Invention Rectifier circuit and power supply using same. The present invention provides a rectifier circuit...
Invention Semiconductor device and method for producing same. The present invention provides a semiconducto...
Invention Semiconductor device manufacturing method and semiconductor device. Provided is a semiconductor d...
Invention Semiconductor device. Provided is a semiconductor device capable of ensuring turn-off tolerance b...
Invention Semiconductor device and power conversion device using same. Provided is a semiconductor device c...
Invention Semiconductor device and power conversion device. The purpose of the present invention is, in an ...
Invention Power semiconductor module and motor drive system using same. Provided is a power semiconductor m...
Invention Semiconductor device. The present invention provides a semiconductor device in which, when spacer...
2022 Invention Solder and semiconductor device. The present invention provides a technology which improves the c...
Invention Semiconductor device, method for manufacturing semiconductor device, and power conversion device....
Invention Semiconductor device, method for manufacturing semiconductor device, and electric power converter...
Invention Semiconductor device and power conversion device. Provided are a semiconductor device and a power...
Invention Power semiconductor module and power conversion apparatus. Provided is a power semiconductor modu...
Invention Power semiconductor module and electric power conversion device using same. The purpose of the pr...
Invention Semiconductor device and power conversion device. Provided is a semiconductor device in which fau...
Invention Semiconductor device and electric power conversion device. The present invention provides a techn...
Invention Semiconductor device and power conversion device. Provided is a semiconductor device having an in...
Invention Semiconductor device and power conversion device. The present invention provides: a semiconductor...
Invention Semiconductor device and power conversion device. Provided are: a semiconductor device configured...
Invention Method for estimating partial discharge factor of power semiconductor module, and device for esti...
Invention Semiconductor device and power conversion device using same. Provided is a highly reliable semico...
Invention Rectifier circuit and power supply using same. Provided is a rectifier circuit for implementing s...
Invention Power semiconductor module. Provided is a technology for allowing stable protection of a switchin...
Invention Semiconductor device. Provide is a highly reliable semiconductor device in which stress generate...
Invention Rectifier circuit, and semiconductor device and power supply device using same. Disclosed is a re...
Invention Power semiconductor module and power conversion device. A semiconductor module (200) comprises: a...
Invention Rectification circuit and power source using same. The present invention provides a rectification...
Invention Semiconductor module overcurrent detection device, semiconductor module using same, and semicondu...
Invention Power semiconductor unit, and method for manufacturing power semiconductor unit. Provided is a po...
Invention Power semiconductor module and electric power converter using same. Provided is a power semicondu...
Invention Semiconductor device and power conversion device. Provided is a cascode-type semiconductor device...
Invention Plating defect estimation method and semiconductor device manufacturing method. The present inven...
Invention Driving circuit and electric power conversion apparatus. Provided are a driving circuit capable o...
Invention Semiconductor module. Provided is a semiconductor module comprising a semiconductor chip, a wire ...
Invention Semiconductor device and power conversion device. The present invention improves the performance ...
Invention Energization inspection apparatus, method for manufacturing semiconductor device, and energizatio...
2021 Invention Power semiconductor device. Provided is a compact and highly reliable power semiconductor device...
Invention Method for manufacturing semiconductor device, semiconductor device, semiconductor module, and po...
Invention Semiconductor device. Provided is a semiconductor device where an electric field applied to an e...
Invention Semiconductor module. Provided is a semiconductor module comprising a power semiconductor chip, ...
Invention Semiconductor device and method for manufacturing the same. A semiconductor device comprises: a ...
Invention Semiconductor device. In the present invention, in a FinFET having a channel forming region on a...
Invention Power semiconductor module and power conversion device. The provided power semiconductor module ...
Invention Semiconductor device and power converter. The semiconductor device configures a cascode-type hig...
2020 Invention Semiconductor device, rectifying element using same, and alternator. A semiconductor device that...