Yokohama, Japan

Kazushige Yamamoto

This inventor holds 64 USPTO granted patents and 26 published patent applications and 8 EPO patents, primarily in Solar Cell Technology. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation, Oki Electric Industry Co., Ltd.. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazushige Yamamoto. Retrieved from https://idiyas.com/inventor/kazushige-yamamoto

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

USPTO Granted Patents = 64 

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.5

ph-index = 9

Forward Citations = 325(Granted Patents)

Forward Citations (Not Self Cited) = 312(Dec 10, 2025)


Location History:

  • Kanagawa-ken, JP (2009 - 2010)
  • Kanagawa, JP (2006 - 2018)
  • Tokyo, JP (1989 - 2022)
  • Yokohama, JP (1997 - 2023)
  • Yokohama Kanagawa, JP (2020 - 2024)

Company Filing History:


Years Active: 1989-2026

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Areas of Expertise:
Multi-Junction Solar Cell
Photovoltaic System
Solar Cell Module
Photoelectric Conversion
Thin Film Manufacturing
Solar Power Generation
Optical Device
Light Concentrator
Semiconductor Material
Light Emitting Device
64 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Kazushige Yamamoto - Pioneering Solar Technology in Yokohama

Introduction:

Kazushige Yamamoto, a visionary inventor based in Yokohama, Japan, is renowned for his groundbreaking work in the field of solar technology. With an impressive portfolio of 46 patents, Yamamoto continues to push the boundaries of innovation in photovoltaic power generation systems.

Latest Patents:

Yamamoto's latest patents showcase his expertise in the development of cutting-edge solar technologies. These include innovations such as multi-junction solar cells, solar cell modules, and photovoltaic power generation systems. One notable invention is a solar cell that features a unique composition of materials, including cuprous oxide and various compounds like GaM1O and GaZnM2M3O, aimed at enhancing efficiency and performance.

Career Highlights:

Throughout his career, Yamamoto has made significant contributions to the field of solar technology. He has worked with leading companies such as Toshiba Energy Systems & Solutions Corporation and Kabushiki Kaisha Toshiba, where he spearheaded research and development initiatives aimed at revolutionizing the renewable energy sector.

Collaborations:

Yamamoto's success is also attributed to his collaborations with esteemed colleagues in the industry. Notable coworkers like Soichiro Shibasaki and Mutsuki Yamazaki have played a pivotal role in advancing Yamamoto's innovative projects, leading to the successful implementation of novel ideas in the realm of solar technology.

Conclusion:

In conclusion, Kazushige Yamamoto's passion for innovation and his relentless pursuit of excellence have cemented his reputation as a visionary inventor in the field of solar technology. His groundbreaking work not only drives progress in renewable energy but also inspires future generations of inventors to strive for excellence in pushing the boundaries of what is possible in the world of technology.

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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