Tsukuba, Japan

Hiroo Matsuda

This inventor holds 3 USPTO granted patents. Top assignees: Agency of Industrial Science and Technology, Japan as Represented by Director General of Agency of Industrial Science, Ministry of International Trade & Industry. Active years: 1991-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroo Matsuda. Retrieved from https://idiyas.com/inventor/hiroo-matsuda-p4bhdz9h

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 = 4.2

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1991-2000

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3 patents (USPTO):Explore Patents

Title: Innovations of Hiroo Matsuda: Pioneering Advancements in Imaging Technologies

Introduction

Hiroo Matsuda is a prominent inventor based in Tsukuba, Japan, recognized for his significant contributions to the field of imaging technologies. With a total of three patents, he has made remarkable advancements that leverage cutting-edge materials and innovative methods to enhance image recording processes.

Latest Patents

Among his latest patent contributions is a rewritable, color image recording medium and image recording method. This invention involves a unique design with a pair of opposed substrates—at least one of which is transparent—and an intermediate layer that incorporates a cholesteric liquid crystal compound and a photochromic compound. By exposing this intermediate layer to light through the transparent substrate while maintaining specific temperature conditions, images can effectively be formed. The versatility of this medium allows for the fixation of images by rapidly cooling it below the glass transition temperature.

Another notable patent from Matsuda is associated with a novel aromatic ester compound useful as a second-order non-linear optical material in the ultraviolet wavelength range. This invention reveals a general formula where the compound shows a good second-order non-linear optical coefficient, making it particularly relevant for applications in advanced optical materials.

Career Highlights

Matsuda has held significant positions in the field of industrial science, most notably serving as the Director-General of the Agency of Industrial Science and Technology. His leadership roles have enabled him to contribute extensively to the advancement of scientific research and technology development in Japan.

Collaborations

Throughout his career, Matsuda has collaborated with esteemed colleagues such as Masao Kato and Shuji Okada. These collaborations have undoubtedly played a crucial role in the development and success of his innovations, leading to enhanced research output and patented inventions.

Conclusion

Hiroo Matsuda stands out as an influential inventor whose patents have propelled advancements in imaging technology. Through his innovative approaches and collaborative spirit, he has contributed significantly to the field, paving the way for future developments in both research and practical applications in imaging technologies. His work exemplifies the impactful intersection of creativity and scientific inquiry.

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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