Toyokawa, Japan

Hirokazu Tamagawa

This inventor holds 1 USPTO granted patent and 1 published patent application and 2 EPO patents. Top assignees: Uacj Copper Tube Corporation, Uacj Corporation. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Tamagawa. Retrieved from https://idiyas.com/inventor/hirokazu-tamagawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: Hirokazu Tamagawa: Innovator in Corrosion-Resistant Copper Tubes

Introduction

Hirokazu Tamagawa is a notable inventor based in Toyokawa, Japan. He is recognized for his innovative contributions to the field of materials science, particularly in the development of corrosion-resistant copper tubes. His work has significant implications for the air-conditioning and refrigeration industries.

Latest Patents

Tamagawa holds a patent for a highly resistant copper tube against ant nest corrosion. This invention provides a corrosion-resistant copper tube that exhibits improved resistance to ant nest corrosion. It is particularly suitable for use as a heat transfer tube and refrigerant tube in air-conditioning and refrigerating equipment. The copper tube is made from a copper alloy containing 0.15-0.50% by weight of phosphorus, with the remainder being copper and impurities. Notably, the copper material includes phosphorus oxide particles, ensuring that the number density of particles with a circle equivalent diameter of not less than 0.1 μm does not exceed 50,000/mm.

Career Highlights

Throughout his career, Tamagawa has worked with prominent companies in the industry. He has been associated with UACJ Corporation and UACJ Copper Tube Corporation, where he has contributed to advancements in copper tube technology. His expertise in materials science has positioned him as a valuable asset in these organizations.

Collaborations

Tamagawa has collaborated with several professionals in his field, including Yoshihiko Kyo and Yoshiyuki Oya. These collaborations have fostered innovation and development in the area of corrosion-resistant materials.

Conclusion

Hirokazu Tamagawa's contributions to the development of corrosion-resistant copper tubes highlight his innovative spirit and dedication to advancing technology in the refrigeration and air-conditioning sectors. His work continues to influence the industry and improve product performance.

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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