Chigasaki, Japan

Yoichi Yamagiwa

This inventor holds 1 USPTO granted patent. Top assignees: Pilot Man-Nen-Hitsu Kabushiki Kaisha, Toyo Giken Kogyo Kabushiki Kaisha. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Yamagiwa. Retrieved from https://idiyas.com/inventor/yoichi-yamagiwa

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 = 6.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: The Innovations of Yoichi Yamagiwa

Introduction

Yoichi Yamagiwa is a notable inventor based in Chigasaki, Japan. He has made significant contributions to the field of aluminum treatment through his innovative patent. His work focuses on the continuous electrolytical treatment of aluminum and its alloys, showcasing his expertise in this specialized area.

Latest Patents

Yamagiwa holds a patent for a process titled "Continuous electrolytical treatment of aluminum or its alloys." This invention involves electrolytically treating aluminum or its alloys in the form of strip, wire, or foil material in a continuous manner. The process includes passing the material through an anodic oxidation treatment cell and an electrolytic coloring cell, utilizing direct current, alternating current, or AC-superimposed direct current to anodize and color the material continuously. He has 1 patent to his name.

Career Highlights

Throughout his career, Yamagiwa has worked with several companies, including Pilot Man-nen-hitsu Kabushiki Kaisha and Toyo Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his techniques in aluminum treatment.

Collaborations

Yamagiwa has collaborated with notable individuals in his field, including Satoshi Kawai and Masashi Mizusawa. These partnerships have likely enhanced his innovative capabilities and broadened his impact on the industry.

Conclusion

Yoichi Yamagiwa's contributions to the field of aluminum treatment through his innovative patent demonstrate his expertise and commitment to advancing technology. His work continues to influence the industry and showcases the importance of continuous innovation in manufacturing processes.

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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