Yokohama, Japan

Noriyuki Yanagawa

This inventor holds 1 USPTO granted patent. Top assignees: Matsushita Electric Industrial Co., Ltd., Nihon Junyaku Co., Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyuki Yanagawa. Retrieved from https://idiyas.com/inventor/noriyuki-yanagawa-suf7ivc0

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 = 5.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Noriyuki Yanagawa: Innovator in Alkaline Cell Technology

Introduction

Noriyuki Yanagawa is a notable inventor based in Yokohama, Japan. He is recognized for his contributions to the field of alkaline cell technology, particularly through his innovative patent that enhances the performance and stability of alkaline cells.

Latest Patents

Yanagawa holds a patent for an alkaline cell with a gelled anode. This invention features a gelled zinc negative electrode that primarily utilizes a granular crosslinking type branched polyacrylic acid, polymethacrylic acid, or their salts as a gelling agent. This gelling agent effectively holds the alkaline electrolyte, swells, and maintains the thickness of the electrolyte. As a result, the electrolyte can be adequately supplied to the cell reaction portion, imparting excellent drop resistance and shelf stability to the alkaline cell.

Career Highlights

Throughout his career, Yanagawa has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. and Nihon Junyaku Co., Ltd. His experience in these organizations has contributed significantly to his expertise in battery technology and innovation.

Collaborations

Yanagawa has collaborated with notable individuals in the field, including Junichi Asaoka and Hiroshi Touma. These partnerships have likely fostered a creative environment that has led to advancements in alkaline cell technology.

Conclusion

Noriyuki Yanagawa's work in developing a gelled anode for alkaline cells showcases his innovative spirit and dedication to improving battery technology. His contributions have the potential to enhance the performance and reliability of alkaline cells in various applications.

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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