Kanagawa, Japan

Fumiyasu Yanagisawa

This inventor holds 1 USPTO granted patent. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Lighting & Technology Corporation. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiyasu Yanagisawa. Retrieved from https://idiyas.com/inventor/fumiyasu-yanagisawa

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 = 5.0

ph-index = 1

Forward Citations = 41(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Fumiyasu Yanagisawa: Innovator in Luminescent Materials

Introduction

Fumiyasu Yanagisawa is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of luminescent materials, particularly in the development of materials used in mercury discharge lamps. His innovative work has led to the creation of a patented luminescent material that enhances the efficiency and effectiveness of lighting technology.

Latest Patents

Yanagisawa holds a patent for a luminescent material designed for mercury discharge lamps. This material comprises a phosphor that emits luminous flux when excited by ultraviolet radiation at 254 nm. The luminescent material includes a protective layer formed on the phosphor particles, utilizing various metal oxides such as MgO, Y2O3, and others. This innovation is crucial for improving the performance of mercury discharge lamps, which are widely used in various lighting applications.

Career Highlights

Throughout his career, Fumiyasu Yanagisawa has worked with prominent companies in the lighting industry. He has been associated with Toshiba Lighting & Technology Corporation and Kabushiki Kaisha Toshiba. His experience in these organizations has allowed him to develop and refine his expertise in luminescent materials and lighting technologies.

Collaborations

Yanagisawa has collaborated with notable colleagues in his field, including Akio Watanabe and Shoji Naoki. These collaborations have contributed to the advancement of technology in luminescent materials and have fostered innovation within the industry.

Conclusion

Fumiyasu Yanagisawa's contributions to the field of luminescent materials have made a significant impact on lighting technology. His patented innovations continue to influence the development of efficient lighting 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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