Osaka, Japan

Katsumi Kitagawa

This inventor holds 3 USPTO granted patents. Top assignees: Nippon Sheet Glass Company, Limited, Yuasa Battery Co., Ltd.. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Kitagawa. Retrieved from https://idiyas.com/inventor/katsumi-kitagawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 3

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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3 patents (USPTO):Explore Patents

Title: Innovations of Katsumi Kitagawa

Introduction

Katsumi Kitagawa is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, particularly in the development of separators for lead-acid batteries. With a total of 3 patents to his name, Kitagawa's work has had a lasting impact on the industry.

Latest Patents

Kitagawa's latest patents include a sheet-like separator and a valve regulated lead acid battery. The sheet-like separator features an electrolyte dripping speed of 100 mm/hr or less, which enhances the efficiency of the battery. Additionally, he has developed a sealed lead acid battery that utilizes a separator with a flowing rate of an electrolyte that is less than 100 mm/hr, ensuring optimal performance.

Career Highlights

Throughout his career, Katsumi Kitagawa has worked with prominent companies such as Yuasa Battery Co., Ltd. and Nippon Sheet Glass Company, Limited. His experience in these organizations has allowed him to refine his expertise in battery technology and contribute to innovative solutions in the field.

Collaborations

Kitagawa has collaborated with notable coworkers, including Yasuhide Nakayama and Kenjiro Kishimoto. Their combined efforts have led to advancements in battery technology and the development of new products.

Conclusion

Katsumi Kitagawa's contributions to battery technology through his patents and collaborations highlight his importance as an inventor in the industry. His work continues to influence the development of efficient and effective battery solutions.

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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