Urawa, Japan

Kaisaburo Shigematsu

This inventor holds 1 USPTO granted patent. Top assignee: Shigematsu Works Co., Ltd.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kaisaburo Shigematsu. Retrieved from https://idiyas.com/inventor/kaisaburo-shigematsu

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 = 3.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Kaisaburo Shigematsu: Innovator in Filtration Technology

Introduction

Kaisaburo Shigematsu is a notable inventor based in Urawa, Japan. He has made significant contributions to the field of filtration technology, particularly through his innovative designs in mask technology. His work emphasizes the importance of efficiency and safety in personal protective equipment.

Latest Patents

Shigematsu holds a patent for a unique mask design. The mask features an enclosure of an intake filtration chamber that is partly or totally formed of a filtration medium. This design eliminates the need for a separate filtration medium within the intake filtration chamber for replacement. The entire intake filtration chamber can be replaced, making maintenance easier. This invention results in a mask that is compact, has low intake resistance, and minimizes the risk of contaminated air flow.

Career Highlights

Kaisaburo Shigematsu is associated with Shigematsu Works Co., Ltd., where he has been instrumental in developing advanced filtration solutions. His innovative approach has led to the creation of products that enhance user safety and comfort.

Collaborations

Shigematsu has worked alongside notable colleagues, including Nobuo Shigematsu and Yukio Okubo. Their combined expertise has contributed to the advancement of filtration technologies.

Conclusion

Kaisaburo Shigematsu's contributions to mask technology reflect his commitment to innovation and safety. His patented designs continue to influence the industry and improve the effectiveness of personal protective equipment.

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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