Kitakatsuragi, Japan

Masafumi Shimizu

This inventor holds 8 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1998-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Shimizu. Retrieved from https://idiyas.com/inventor/masafumi-shimizu

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


% Patents Active = 75.0

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 63(Granted Patents)


Location History:

  • Nara-ken, JP (1998 - 1999)
  • Kitakatsuragi-gun, JP (1999 - 2006)

Company Filing History:


Years Active: 1998-2006

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8 patents (USPTO):Explore Patents

Title: Masafumi Shimizu: Innovator in Solar Technology

Introduction

Masafumi Shimizu is a prominent inventor based in Kitakatsuragi, Japan. He has made significant contributions to the field of solar technology, holding a total of 8 patents. His work focuses on developing advanced photovoltaic cells that enhance energy efficiency and sustainability.

Latest Patents

Shimizu's latest patents include innovative designs for thin film solar cells and photovoltaic cells. The thin film solar cell comprises a p-layer, an i-layer, and an n-layer formed in this order as a pin junction on a substrate. The p-layer and the i-layer are thin silicon films containing a crystalline component, with the p-layer incorporating p-type impurities of 0.2 to 8 atom % and a thickness of 10 to 200 nm. Another notable patent is for a dye-sensitized photovoltaic cell, which features an electroconductive support and a porous photovoltaic layer made of a porous semiconductor layer containing a photosensitizing dye. This design includes a hole transporting layer and a support on the counter electrode side, with the porous photovoltaic layer exhibiting a multi-layer structure and a haze ratio of 60% or more at a wavelength in the visible light region.

Career Highlights

Masafumi Shimizu is associated with Sharp Kabushiki Kaisha Corporation, where he continues to innovate in the field of solar energy. His work has been instrumental in advancing the technology of solar cells, making them more efficient and accessible.

Collaborations

Shimizu has collaborated with notable colleagues, including Yoshiteru Ishimaru and Yu Zhu. These partnerships have contributed to the development of cutting-edge technologies in the solar energy sector.

Conclusion

Masafumi Shimizu's contributions to solar technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the future of 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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