Tokyo, Japan

Toshikazu Tanioka

This inventor holds 9 USPTO granted patents. Top assignee: Mitsubishi Electric Corporation. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Tanioka. Retrieved from https://idiyas.com/inventor/toshikazu-tanioka

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 = 3.5

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2012-2025

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9 patents (USPTO):Explore Patents

Title: Innovations of Toshikazu Tanioka

Introduction

Toshikazu Tanioka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, particularly in silicon carbide devices. With a total of nine patents to his name, Tanioka's work has had a substantial impact on the industry.

Latest Patents

Among his latest patents is a silicon carbide semiconductor device and a power conversion apparatus. This innovative device features an n-type epitaxial layer on a SiC substrate, along with a front surface electrode and a p-type electric field relieving region. The design includes a first protective film made of an interlayer insulating film and a protective oxide film, which covers part of the electric field relieving region. Additionally, a second protective film composed of a polyimide protective film is provided, covering the outer end portion of the surface electrode and the first protective film. Another notable patent is a method for manufacturing a silicon carbide semiconductor device, which involves forming a drift layer on a silicon carbide substrate and utilizing a hard mask for ion implantation.

Career Highlights

Tanioka is currently employed at Mitsubishi Electric Corporation, where he continues to advance semiconductor technology. His work has been instrumental in developing efficient power conversion systems that leverage silicon carbide materials.

Collaborations

Tanioka has collaborated with notable colleagues, including Yoichiro Tarui and Masayuki Furuhashi. Their combined expertise has contributed to the success of various projects within the semiconductor field.

Conclusion

Toshikazu Tanioka's innovations in silicon carbide semiconductor technology exemplify his dedication to advancing the industry. His patents and collaborations reflect a commitment to excellence and innovation in the field.

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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