Ibaraki, Japan

Tatsuo Katsura

This inventor holds 1 USPTO granted patent. Top assignees: Agency of Industrial Science and Technology, Ministry of International Trade & Industry. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Katsura. Retrieved from https://idiyas.com/inventor/tatsuo-katsura

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Innovations of Tatsuo Katsura

Introduction

Tatsuo Katsura is a notable inventor based in Ibaraki, Japan. He is recognized for his contributions to the field of photosensors, particularly through his innovative use of bacteriorhodopsin in creating a unique photosensitive part.

Latest Patents

Katsura holds a patent for a photosensor that utilizes a photosensitive part formed of a purple membrane. This membrane film contains bacteriorhodopsin isolated from a highly halophilic bacterium. The photosensor generates a photoelectromotive force that corresponds to the intensity of light absorbed, and it employs a field-effect transistor (FET) as an amplifying part. He has 1 patent to his name.

Career Highlights

Throughout his career, Katsura has worked with prominent organizations such as the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His work has significantly impacted the development of advanced sensor technologies.

Collaborations

Katsura has collaborated with notable individuals in his field, including Hideatsu Maeda and Tsukasa Sakai. Their joint efforts have contributed to the advancement of innovative technologies in photosensing.

Conclusion

Tatsuo Katsura's work in the field of photosensors showcases his innovative spirit and dedication to advancing technology. His contributions continue to influence the industry and inspire future inventions.

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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