Koka, Japan

Masataka Shiwa

This inventor holds 1 USPTO granted patent. Top assignees: Sumitomo Electric Industries, Limited, Sumitomo Electric Wintec, Inc.. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masataka Shiwa. Retrieved from https://idiyas.com/inventor/masataka-shiwa

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 = 1(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: The Innovations of Masataka Shiwa

Introduction

Masataka Shiwa, an accomplished inventor based in Koka, Japan, has made significant contributions to the field of electrical engineering. With a focus on developing advanced insulating materials, he has successfully patented innovative solutions that enhance the performance of electrical components.

Latest Patents

Masataka Shiwa holds a notable patent for "Insulating varnish and insulated electrical wire using same." This invention describes an insulating varnish that forms a coating film tailored to the shape of a die opening, ensuring a uniform thickness. The varnish is applied to a conductor's surface, then passes through a die to eliminate excess material before being baked to solidify the insulating layer. With a viscosity of 10 Pa·s or more at 30°C, this varnish, ideally a polyimide precursor solution without fillers, maintains its shape through baking and solidification.

Career Highlights

Throughout his career, Masataka Shiwa has been affiliated with prominent companies such as Sumitomo Electric Industries Limited and Sumitomo Electric Wintec Inc. His work in these organizations has allowed him to refine his expertise in insulation technology and electrical materials, contributing to various advancements in the industry.

Collaborations

Masataka has collaborated with esteemed colleagues, including Kengo Yoshida and Masaaki Yamauchi, to propel innovations in electrical insulation. Their teamwork has been vital in developing technologies that improve electrical wire insulation and overall product performance.

Conclusion

Masataka Shiwa's dedicated work in the field of insulating materials has positioned him as a prominent figure in electrical engineering. His patented innovations continue to influence advancements in electrical components, showcasing his commitment to enhancing technology for a more efficient future.

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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