Location History:
- Hitachi, JP (2017)
- Ibaraki, JP (2018)
Company Filing History:
Years Active: 2017-2018
Title: Shigeru Sugayama: Innovator in Semiconductor Technology
Introduction
Shigeru Sugayama is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of semiconductor technology, holding two patents that showcase his innovative approach to electronic devices. His work primarily focuses on enhancing the efficiency and functionality of power conversion systems.
Latest Patents
Sugayama's latest patents include a synchronous rectifier and an alternator utilizing a semiconductor device. The synchronous rectifier patent describes a rectifier that employs a MOSFET for synchronous rectification, featuring a control circuit that determines the ON or OFF state of the MOSFET based on the voltage across its terminals. This design incorporates a blocking circuit that manages power supply to the control circuit depending on the input voltage levels.
The second patent details a semiconductor device that includes a MOSFET chip and a control circuit chip. This device is designed to control the MOSFET based on the voltages of its drain and source electrodes. The innovative layout of the external electrodes and the isolation substrate enhances the device's performance and reliability in various applications.
Career Highlights
Shigeru Sugayama is currently employed at Hitachi Power Semiconductor Device, Ltd., where he continues to develop cutting-edge technologies in the semiconductor industry. His expertise and innovative mindset have positioned him as a key player in advancing power semiconductor solutions.
Collaborations
Throughout his career, Sugayama has collaborated with notable colleagues, including Tetsuya Ishimaru and Shinichi Kurita. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Shigeru Sugayama's contributions to semiconductor technology through his patents and work at Hitachi Power Semiconductor Device, Ltd. highlight his role as an influential inventor in the field. His innovative designs continue to pave the way for advancements in power conversion systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.