Aichi, Japan

Katsumi Kitayama

This inventor holds 1 USPTO granted patent. Top assignee: Toyoda Gosei Co., Ltd.. Active years: 1997.

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

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 = 2.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Katsumi Kitayama and His Automotive Seal Innovation

Introduction

Katsumi Kitayama is an inventor associated with Aichi, Japan, and Toyoda Gosei Co., Ltd. His patent work addresses sealing between an automobile weather strip and the vehicle body.

Latest Patents

Kitayama is credited with 1 patent: “Seal Structure for Weather Strip.” The invention describes an elastic seal member that closes a gap between an automobile weather strip and the portion of the vehicle where the strip is mounted. The seal member is made from a foamable elastic sealant.

Career Highlights

Kitayama’s listed patent reflects work on automotive sealing components, with an emphasis on using a foamable material to form an elastic seal.

Collaborations

Kitayama’s listed coworker is Masaru Ito. Both are associated with the patent for the weather-strip seal structure.

Conclusion

Katsumi Kitayama’s patent contribution focuses on an elastic, foamable sealant designed to improve sealing at the interface between an automobile weather strip and the vehicle body.

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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