Tokyo, Japan

Takenori Kumagai

This inventor holds 5 USPTO granted patents and 7 published patent applications and 1 EPO patent. Top assignees: Shimizu Construction Co., Ltd., Kawasaki Steel Corporation, Konica Minolta Advanced Layers, Inc.. Active years: 1987-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takenori Kumagai. Retrieved from https://idiyas.com/inventor/takenori-kumagai

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 48(Granted Patents)


Location History:

  • Tokyo, JP (1987 - 2015)
  • Hachioji, JP (2015)

Company Filing History:


Years Active: 1987-2015

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takenori Kumagai

Introduction

Takenori Kumagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of solar power generation and architectural design. With a total of four patents to his name, Kumagai's work reflects a commitment to innovation and sustainability.

Latest Patents

Kumagai's latest patents include a film mirror designed for solar power generation and a unique openable roof system. The film mirror is characterized by its excellent anti-staining and scratch resistance, ensuring long-lasting specular reflectance for sunlight. It features a silver reflection layer on a resin substrate, with an outermost layer that exhibits specific electric surface resistivity and hardness properties. Additionally, the openable roof system allows for the opening and closing of a central space, utilizing a movable roof section that can be driven between open and closed positions. This design enhances architectural flexibility and functionality.

Career Highlights

Throughout his career, Kumagai has worked with notable companies such as Shimizu Construction Co., Ltd. and Kawasaki Steel Corporation. His experience in these organizations has contributed to his expertise in innovative design and engineering solutions.

Collaborations

Kumagai has collaborated with esteemed colleagues, including Shuji Okuda and Hideo Shimomura. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.

Conclusion

Takenori Kumagai's contributions to innovation in solar technology and architectural design exemplify his dedication to advancing sustainable solutions. His patents reflect a blend of creativity and practicality, making a lasting impact in his field.

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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