Tokyo, Japan

Jun-ichi Fujisawa

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Tanaka Kikinzoku Kogyo K.k., The University of Tokyo. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun-ichi Fujisawa. Retrieved from https://idiyas.com/inventor/jun-ichi-fujisawa

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

USPTO Granted Patents = 1 

Average Co-Inventor Count = 6.0

ph-index = 1


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Jun-ichi Fujisawa: Innovator in Photoelectric Conversion Technology

Introduction

Jun-ichi Fujisawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of photoelectric conversion technology. His innovative work has led to advancements in solar energy applications.

Latest Patents

Fujisawa holds a patent for a dye used in photoelectric conversion devices. The patent, titled "Dye for photoelectric conversion device, and photoelectric conversion film, electrode, and solar cell using same," describes a photoelectric-conversion-device dye comprising a ruthenium metal complex. This complex includes a molecule with elemental phosphorus that forms a coordinate bond at the phosphorus atom. Additionally, it features a terpyridine derivative that has at least one adsorbing group, which enhances its effectiveness. The dye exhibits absorption across a wide range, from the visible light region to the near-infrared region, resulting in improved photoelectric conversion efficiency in solar cells.

Career Highlights

Fujisawa has worked with prestigious institutions, including the University of Tokyo and Tanaka Kikinzoku Kogyo Co., Ltd. His experience in these organizations has allowed him to collaborate with other experts in the field and contribute to groundbreaking research.

Collaborations

Some of his notable coworkers include Hiroshi Segawa and Takumi Kinoshita. Their collaborative efforts have further advanced the research and development of photoelectric conversion technologies.

Conclusion

Jun-ichi Fujisawa's contributions to photoelectric conversion technology highlight his innovative spirit and dedication to advancing renewable energy solutions. His work continues to influence the field and pave the way for future advancements in solar energy applications.

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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