Nara, Japan

Osamu Ishiyama

This inventor holds 1 USPTO granted patent. Top assignee: Panasonic Intellectual Property Management Co., Ltd.. Active years: 2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Ishiyama. Retrieved from https://idiyas.com/inventor/osamu-ishiyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 9.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2018

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1 patent (USPTO):Explore Patents

Title: Osamu Ishiyama: Innovator in Silicon Carbide Semiconductor Technology

Introduction

Osamu Ishiyama is a notable inventor based in Nara, Japan. He has made significant contributions to the field of semiconductor technology, particularly with his innovative work on silicon carbide devices. His expertise and inventions have positioned him as a key figure in the industry.

Latest Patents

Ishiyama holds a patent for a silicon carbide semiconductor device. This device features a first conductivity type silicon carbide substrate that includes an active region and a termination region surrounding it. The design incorporates a plurality of unit cells located in the active region, each equipped with a transistor structure. The termination structure consists of a silicon carbide semiconductor layer and a second conductivity type body region, along with several outer-circumferential upper source electrodes and an upper gate electrode. Additionally, the device is protected by a first and a second protective film, ensuring its durability and functionality.

Career Highlights

Osamu Ishiyama is associated with Panasonic Intellectual Property Management Co., Ltd., where he has been instrumental in advancing semiconductor technologies. His work has not only contributed to the company's portfolio but has also enhanced the overall landscape of semiconductor innovation.

Collaborations

Ishiyama has collaborated with notable colleagues such as Tsuneichiro Sano and Atsushi Ohoka. These partnerships have fostered a collaborative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Osamu Ishiyama's contributions to silicon carbide semiconductor technology exemplify his dedication to innovation in the field. His patent and collaborative efforts highlight the importance of teamwork in advancing technological frontiers.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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