Yokohama, Japan

Katuhiko Yamada

This inventor holds 5 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katuhiko Yamada. Retrieved from https://idiyas.com/inventor/katuhiko-yamada

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 = 5.8

ph-index = 5

Forward Citations = 108(Granted Patents)


Location History:

  • Yokohama, JA (1976 - 1977)
  • Yokohama, JP (1979 - 1982)

Company Filing History:


Years Active: 1976-1982

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5 patents (USPTO):Explore Patents

Title: Katuhiko Yamada: Innovator in Electrophotography Cleaning Devices

Introduction

Katuhiko Yamada is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of cleaning devices. With a total of 5 patents to his name, Yamada's innovations have enhanced the efficiency and effectiveness of imaging technologies.

Latest Patents

Yamada's latest patents include a "Developer Cleaning Device for Electrophotography." This device is designed to remove developer from the surface of a reusable and movable image-bearing member. It features a cleaning member that extends transversely to the movement direction of the image-bearing member, a device for transporting the removed developer, a passageway for leading the transported developer to a collecting element, and a rotatable helical member to prevent the deposition of the removed developer on the passageway. Another notable patent is a "Cleaning Device" that removes developer remaining on the surface of an image-bearing member. This device includes wiper means with a resilient blade member, guide means defining a slit-like opening, conveyor means for conveying the collected substance, and seal means for sealing the space between the slit-like opening and the conveyance path.

Career Highlights

Katuhiko Yamada is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technologies. His work has significantly contributed to the advancement of cleaning devices used in electrophotography, showcasing his expertise and innovative spirit.

Collaborations

Yamada has collaborated with notable coworkers such as Yoshio Ito and Tadayuki Kitajima. Their combined efforts have led to the development of advanced technologies in the field of imaging.

Conclusion

Katuhiko Yamada's contributions to the field of electrophotography through his innovative cleaning devices have made a lasting impact. His patents reflect a commitment to enhancing imaging technologies, and his work continues to influence the industry.

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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