Kadoma, Japan

Hitoshi Hukagawa

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Works, Ltd.. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Hukagawa. Retrieved from https://idiyas.com/inventor/hitoshi-hukagawa

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 = 6(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Hitoshi Hukagawa: Innovator in Temperature Control Systems

Introduction

Hitoshi Hukagawa is a notable inventor based in Kodoma, Japan. He has made significant contributions to the field of temperature control systems, particularly in electric surface heaters. His innovative approach has led to the development of a unique patent that addresses the challenges associated with temperature regulation in heating elements.

Latest Patents

Hukagawa holds a patent for a "Temperature control system for electric surface heater." This system features piled layers of a heating element that receives a commercial AC source current. It also includes a thermosensitive electrode that opposes the heating element through a thermosensitive element, which exhibits negative impedance characteristics as the temperature rises. The system applies an AC signal voltage, distinct from the source current, between the heating element and the thermosensitive electrode. This design allows for the detection of excessive variations in the signal voltage, which are responsive to the negative impedance of the thermosensitive element. Consequently, the system can disconnect or connect the heating element and the source as needed.

Career Highlights

Hitoshi Hukagawa is associated with Matsushita Electric Works, Ltd., where he has contributed to various projects and innovations. His work has been instrumental in advancing the technology of electric heating systems, making them more efficient and reliable.

Collaborations

Hukagawa has collaborated with notable colleagues, including Masayuki Naruo and Isao Shimada. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hitoshi Hukagawa's contributions to temperature control systems exemplify the spirit of innovation in the field of electrical engineering. His patent for a temperature control system for electric surface heaters showcases his ability to solve complex problems through inventive solutions. His work continues to influence the industry and inspire future advancements.

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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