Yokohama, Japan

Sigenari Kadomatsu

This inventor holds 1 USPTO granted patent. Top assignees: Nifco Inc., Toto Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigenari Kadomatsu. Retrieved from https://idiyas.com/inventor/sigenari-kadomatsu

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 = 5.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Sigenari Kadomatsu: Innovator in Toilet Mechanisms

Introduction

Sigenari Kadomatsu is a notable inventor based in Yokohama, Japan. He is recognized for his innovative contributions to the design of toilet mechanisms. His work has led to the development of a unique apparatus that enhances the functionality of toilet seats and covers.

Latest Patents

Kadomatsu holds a patent for a "Mechanism for opening and closing toilet seat and cover." This invention involves an apparatus for controlling the pivotal movement of a member on a water closet. The design includes a casing mounted on the water closet, a rotor rotatably mounted within the casing, and viscous material that provides rotational resistance. The mechanism allows for smooth operation, enabling the toilet seat to be opened and closed with ease.

Career Highlights

Throughout his career, Sigenari Kadomatsu has worked with prominent companies such as Toto Ltd. and Nifco Inc. His experience in these organizations has contributed to his expertise in the field of toilet technology. His innovative designs have improved user experience and functionality in bathroom fixtures.

Collaborations

Kadomatsu has collaborated with notable individuals in his field, including Keiichi Kobayashi and Masazumi Moriwaki. These partnerships have fostered a creative environment that has led to significant advancements in toilet mechanism technology.

Conclusion

Sigenari Kadomatsu's contributions to the field of toilet mechanisms demonstrate his innovative spirit and dedication to improving everyday products. His patent for the mechanism for opening and closing toilet seats showcases his ability to blend functionality with user convenience. His work continues to influence the design of bathroom fixtures today.

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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