Tokyo, Japan

Kazufumi Sumiyama

This inventor holds 1 USPTO granted patent. Top assignee: Shimizu Construction Co., Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazufumi Sumiyama. Retrieved from https://idiyas.com/inventor/kazufumi-sumiyama

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 = 6.0

ph-index = 1

Forward Citations = 54(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Kazufumi Sumiyama: Innovator in Mold Panel Technology

Introduction

Kazufumi Sumiyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of construction technology, particularly through his innovative designs and patents. His work focuses on enhancing the efficiency and effectiveness of mold panel units used in various applications.

Latest Patents

Kazufumi Sumiyama holds a patent for a "Mold panel unit and spring-water processing structure using mold panel." This invention involves a mold panel made from synthetic resinous material or fiber-reinforced material. The design features a series of projections on one side and corresponding recesses on the opposite side. This configuration allows for the efficient construction of spring-water processing layers, which are essential in various construction projects.

Career Highlights

Sumiyama is currently employed at Shimizu Construction Co., Ltd., a leading construction firm in Japan. His role involves applying his innovative ideas to real-world construction challenges. His patent reflects his commitment to improving construction methodologies and materials.

Collaborations

Throughout his career, Kazufumi Sumiyama has collaborated with esteemed colleagues such as Akio Shinozaki and Masao Obata. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the construction sector.

Conclusion

Kazufumi Sumiyama's contributions to mold panel technology exemplify his innovative spirit and dedication to advancing construction practices. His patent and work at Shimizu Construction Co., Ltd. highlight his role as a key figure in the industry.

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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