Shizuoka, Japan

Keiko Watanabe

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiko Watanabe. Retrieved from https://idiyas.com/inventor/keiko-watanabe-ut6zi1s2

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 = 6.0

ph-index = 1

Forward Citations = 26(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Keiko Watanabe and Her Groundbreaking Classifying Device

Introduction: Keiko Watanabe, a distinguished inventor from Shizuoka-ken, Japan, has made significant contributions to the field of material classification. With a keen interest in technology and innovation, she has developed a unique approach to classifying solid particles, which has the potential to improve various industrial processes.

Latest Patents: Watanabe holds a patent for a Classifying Device, designed to enhance the efficiency of particle separation. This innovative device features an upper dispersing chamber, where solid particles are mixed with a carrier gas, and a lower classifying chamber that employs centrifugal forces to classify the particles into fine and coarse categories. The inclusion of a rotor in the dispersing chamber swirls the solid particles, ensuring better dispersion before classification.

Career Highlights: Keiko Watanabe has established herself as a valuable asset at Ricoh Company, Ltd., where she continues to push the boundaries of technological innovation. Her work in creating advanced classification systems highlights her commitment to excellence and her ability to solve complex engineering challenges.

Collaborations: Throughout her career, Watanabe has collaborated with notable colleagues, including Nobuyasu Makino and Kenichi Uehara. These partnerships have contributed to her success and exemplify the collaborative spirit essential in the realm of technological advancements.

Conclusion: Keiko Watanabe's pioneering work in the development of a classifying device demonstrates her innovative mindset and dedication to enhancing industrial processes. As a prominent figure in her field, Watanabe continues to inspire future generations of inventors and engineers with her remarkable contributions to technology.

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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