This inventor holds 18 USPTO granted patents and 4 published patent applications and 8 EPO patents. Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd., Hitachi Medical Corporation. Active years: 2005-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chiyoda-ku, JP (2008 - 2010)
- Hitachi, JP (2005 - 2015)
Company Filing History:



Years Active: 2005-2015
Title: Innovations of Katsunori Azuma
Introduction
Katsunori Azuma is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of power semiconductor technology, holding a total of 18 patents. His work focuses on enhancing the reliability and efficiency of power devices, which are crucial in various electronic applications.
Latest Patents
Among his latest patents is a power semiconductor module that features a unique configuration of main electrodes for semiconductor switching elements, such as IGBTs. This design effectively suppresses the occurrence of resonant voltage due to junction capacity and parasitic inductance. Another notable patent is for a power device that improves reliability when the parallel number of semiconductor devices increases. This device ensures that the collector and emitter electrode joint regions are strategically positioned to enhance performance.
Career Highlights
Katsunori Azuma has worked with esteemed companies, including Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in the semiconductor industry.
Collaborations
Throughout his career, Azuma has collaborated with notable colleagues, including Mutsuhiro Mori and Masamitsu Inaba. These partnerships have contributed to the advancement of technology in their respective fields.
Conclusion
Katsunori Azuma's contributions to power semiconductor technology are noteworthy, with a focus on improving device reliability and efficiency. His innovative patents and collaborations reflect his commitment to advancing the field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile