Tokyo, Japan

Yoshifumi Takao

This inventor holds 13 USPTO granted patents and 1 published patent application and 7 EPO patents. Top assignees: Stanley Electric Co., Ltd, Stanley Electric Corporation. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Takao. Retrieved from https://idiyas.com/inventor/yoshifumi-takao

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

USPTO Granted Patents = 13 

% Patents Active = 69.2

 

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 23(Granted Patents)


Location History:

  • Sagamihara, JP (1999)
  • Kanagawa, JP (2000)
  • Yokohama, JP (2004 - 2020)
  • Tokyo, JP (2010 - 2021)

Company Filing History:


Years Active: 1999-2026

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13 patents (USPTO):Explore Patents

Title: Innovations of Yoshifumi Takao

Introduction

Yoshifumi Takao is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of lighting technology, holding a total of 10 patents. His work focuses on enhancing light utilization efficiency through innovative designs and systems.

Latest Patents

Among his latest patents are a lamp unit and a vehicular lamp system. The lamp unit is designed to increase light utilization efficiency when selective light irradiation is performed using a liquid crystal element. It includes a light source, a reflective polarizing plate, a reflecting mirror, a liquid crystal device, a polarizing plate, and a lens. The lighting device comprises a light source emitting light along the optic axis toward the field of view, a liquid crystal element with an electrode pattern, a pair of polarizers, a driver circuit, and a phase shift forming element. These inventions demonstrate his commitment to advancing lighting technology.

Career Highlights

Yoshifumi Takao is currently employed at Stanley Electric Co., Ltd., where he continues to innovate in the field of lighting solutions. His work has garnered attention for its practical applications and efficiency improvements.

Collaborations

He collaborates with notable coworkers, including Yasuo Toko and Toshiyuki Nagahara, contributing to a dynamic team focused on cutting-edge lighting technologies.

Conclusion

Yoshifumi Takao's contributions to lighting technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative designs continue to shape the future of efficient lighting solutions.

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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