Fuji, Japan

Youichirou Watanabe

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichirou Watanabe. Retrieved from https://idiyas.com/inventor/youichirou-watanabe

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 = 4.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Youichirou Watanabe: Innovator in Developer Technology

Introduction

Youichirou Watanabe is a notable inventor based in Fuji, Japan. He has made significant contributions to the field of developer technology, particularly in the area of electrostatic imaging. His innovative work has led to the development of a unique patent that enhances the efficiency of dry-type developers.

Latest Patents

Watanabe holds a patent for "Carrier particles for use in a developer for developing latent." This invention involves carrier particles designed for a two-component dry-type developer, which is used for developing latent electrostatic images. The patent describes a core particle coated with a silicone resin layer, which includes a silicone resin, an organic tin compound, and finely-divided electroconductive particles. This innovative approach improves the performance of developers in electrostatic imaging applications.

Career Highlights

Watanabe is currently employed at Ricoh Company, Ltd., a leading organization in imaging and electronics. His work at Ricoh has allowed him to focus on advancing developer technologies and contributing to the company's innovative product offerings. His expertise in this field has made him a valuable asset to the team.

Collaborations

Throughout his career, Watanabe has collaborated with notable colleagues, including Nobuhiro Nakayama and Tetsuo Isoda. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Youichirou Watanabe's contributions to developer technology exemplify the spirit of innovation in the field of electrostatic imaging. His patent and work at Ricoh Company, Ltd. highlight his commitment to advancing technology and improving imaging 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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