Chiba, Japan

Katsuhiro Doi

This inventor holds 7 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Fujikura Limited. Active years: 2012-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Doi. Retrieved from https://idiyas.com/inventor/katsuhiro-doi-q1hq3aco

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

USPTO Granted Patents = 7 

% Patents Active = 42.9

 

Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Sakura, JP (2014)
  • Chiba, JP (2012 - 2018)

Company Filing History:


Years Active: 2012-2018

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7 patents (USPTO):Explore Patents

Title: Katsuhiro Doi: Innovator in Dye-Sensitized Solar Cells

Introduction

Katsuhiro Doi is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of solar energy, particularly through his work on dye-sensitized solar cells. With a total of 7 patents to his name, Doi continues to push the boundaries of innovation in renewable energy technologies.

Latest Patents

Doi's latest patents include groundbreaking advancements in dye-sensitized solar cells. One of his notable inventions is a dye-sensitized solar cell that features a pair of electrodes opposing each other, a sealing section that joins the electrodes, and an electrolyte filling the cell space. This design incorporates a resin sealing section with a changing-thickness section, which enhances the efficiency of the solar cell. Another significant patent describes a dye-sensitized solar cell that includes a sealing section with a corner section, providing a unique first contact surface that improves the overall performance of the device.

Career Highlights

Katsuhiro Doi is currently associated with Fujikura Limited, where he applies his expertise in developing innovative solar technologies. His work has been instrumental in advancing the efficiency and effectiveness of solar energy solutions, contributing to a more sustainable future.

Collaborations

Doi has collaborated with notable colleagues such as Kenichi Okada and Hiroki Usui. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Katsuhiro Doi's contributions to the field of dye-sensitized solar cells exemplify his commitment to innovation and sustainability. His patents reflect a deep understanding of solar technology and a dedication to improving energy solutions. Doi's work continues to inspire future advancements in renewable energy.

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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