Yokohama, Japan

Masato Koyama

This inventor holds 2 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Koyama. Retrieved from https://idiyas.com/inventor/masato-koyama-06s2k3ym

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 = 4.0

ph-index = 2

Forward Citations = 90(Granted Patents)


Location History:

  • Yokohama, JP (1993)
  • Kamakura, JP (1993)

Company Filing History:


Years Active: 1993

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2 patents (USPTO):Explore Patents

Title: Masato Koyama: Innovator in Amorphous Silicon Technology

Introduction

Masato Koyama is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of amorphous silicon solar cells. With a total of 2 patents to his name, Koyama's work has the potential to impact renewable energy solutions.

Latest Patents

Koyama's latest patents include innovative methods for manufacturing amorphous silicon solar cells. The first patent describes a method for preparing an amorphous silicon solar cell, which involves forming a first electrode, a first conductive film, a thin first substantially intrinsic film, a thicker second substantially intrinsic film, a second conductive film, and a second electrode on a substrate. The second patent focuses on a method for forming an amorphous semiconductor film, detailing a film-forming step and a modifying step that are repeated multiple times to achieve the desired thickness and properties.

Career Highlights

Masato Koyama is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to advance his research in semiconductor technologies. His work is characterized by a commitment to innovation and excellence in the field.

Collaborations

Koyama has collaborated with notable colleagues, including Kenji Miyachi and Nobuhiro Fukuda. These partnerships have fostered a collaborative environment that enhances the development of cutting-edge technologies.

Conclusion

Masato Koyama's contributions to the field of amorphous silicon technology exemplify his dedication to innovation. His patents and ongoing work at Mitsui Toatsu Chemicals, Incorporated highlight his role as a key figure in advancing renewable energy 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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