Tokyo, Japan

Takumi Matsui

This inventor holds 11 USPTO granted patents and 1 published patent application. Top assignees: Sony Corporation, Huawei Technologies Co., Ltd., Sony Group Corporation. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takumi Matsui. Retrieved from https://idiyas.com/inventor/takumi-matsui

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

USPTO Granted Patents = 11 

% Patents Active = 27.3

Average Co-Inventor Count = 1.8

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Kanagawa, JP (2009)
  • Tokyo, JP (2011 - 2019)

Company Filing History:


Years Active: 2009-2026

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11 patents (USPTO):Explore Patents

Title: The Innovative Mind of Takumi Matsui

Introduction

Takumi Matsui is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, holding a total of 11 patents. His work focuses on advanced lens systems and imaging devices, showcasing his expertise and innovative spirit.

Latest Patents

Matsui's latest patents include a variable focal distance lens system and an imaging device. This innovative lens system features a first lens unit and a third lens unit that are rotationally symmetrical with respect to an optical axis. The design incorporates a first freeform-curved surface lens and a second freeform-curved surface lens, which are shaped identically and rotated 180 degrees around the optical axis. The refractive power of the second lens unit is adjustable, allowing for enhanced versatility in imaging. Additionally, he has developed a macro lens and imaging unit that includes a first focus lens group with negative refractive power and a second focus lens group with positive refractive power. This design enables effective focusing from distant objects to close-up subjects, demonstrating Matsui's commitment to advancing optical technology.

Career Highlights

Throughout his career, Takumi Matsui has worked with notable companies, including Sony Corporation and Sony Group Corporation. His experience in these leading organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the field of imaging technology.

Collaborations

Matsui has collaborated with talented individuals such as Makoto Kanai and Daisuke Kuroda. These partnerships have fostered a creative environment that has led to the development of cutting-edge optical solutions.

Conclusion

Takumi Matsui's contributions to the field of optical technology are noteworthy and impactful. His innovative patents and collaborations reflect his dedication to advancing imaging devices and lens systems. His work continues to inspire future generations of inventors and engineers.

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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