Numazu, Japan

Ryouichi Kitajima

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryouichi Kitajima. Retrieved from https://idiyas.com/inventor/ryouichi-kitajima

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Ryouichi Kitajima: Innovator in Electrophotographic Technology

Introduction

Ryouichi Kitajima is a notable inventor based in Numazu, Japan. He has made significant contributions to the field of electrophotographic technology. His innovative work has led to the development of a unique patent that enhances the functionality of photoconductors.

Latest Patents

Ryouichi Kitajima holds a patent for a "Flexible electrophotographic photoconductor having a polysulfone curl." This invention comprises a flexible film-type substrate, an electroconductive layer formed on the front surface of the substrate, a photoconductive layer formed on the electroconductive layer, and a curl prevention layer on the back side of the substrate. The curl prevention layer includes a resin component selected from polysulfone resin and polyarylate resin. This innovation addresses the challenges associated with curl in electrophotographic photoconductors.

Career Highlights

Ryouichi Kitajima is associated with Ricoh Company, Ltd., a leading organization in imaging and electronics. His work at Ricoh has allowed him to focus on advancing technologies that improve the efficiency and effectiveness of electrophotographic processes.

Collaborations

Ryouichi Kitajima has collaborated with Satoshi Otomura, contributing to the development of innovative solutions in their field. Their partnership has fostered advancements in electrophotographic technology.

Conclusion

Ryouichi Kitajima's contributions to electrophotographic technology through his patent and work at Ricoh Company, Ltd. highlight his role as an influential inventor. His innovative solutions continue to impact the industry positively.

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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