Yokohama, Japan

Shigeo Nonaka

This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Nonaka. Retrieved from https://idiyas.com/inventor/shigeo-nonaka-sib0gtv1

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 50(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Shigeo Nonaka: Innovator in Heat Sink Technology

Introduction

Shigeo Nonaka is a prominent inventor based in Yokohama, Japan. He is known for his innovative contributions to the field of semiconductor technology. His work has significantly impacted the efficiency of heat management in electronic devices.

Latest Patents

One of Nonaka's notable patents is titled "Method for producing heat sink and heat sink thus produced." This invention involves a heat sink designed for semiconductor elements, featuring a pipe made of heat-conductive materials such as copper or aluminum. The pipe is uniquely bent at its middle portion and wound to create both a forward flow passage and a return flow passage for a liquid coolant, forming a spiral shape with the bent portion at the center. This design enhances the thermal management capabilities of electronic components.

Career Highlights

Shigeo Nonaka is associated with Toshiba Corporation, a leading company in technology and electronics. His work at Toshiba has allowed him to develop and refine his innovative ideas, contributing to the company's reputation for excellence in semiconductor technology.

Collaborations

Throughout his career, Nonaka has collaborated with talented individuals such as Hiroo Ikegame and Takuro Ito. These collaborations have fostered a creative environment that has led to significant advancements in their respective fields.

Conclusion

Shigeo Nonaka's contributions to heat sink technology exemplify the importance of innovation in the semiconductor industry. His patented methods continue to influence the design and efficiency of electronic devices, showcasing the vital role of inventors in technological advancement.

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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