Atsugi, Japan

Shizuo Yokoyama

This inventor holds 4 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shizuo Yokoyama. Retrieved from https://idiyas.com/inventor/shizuo-yokoyama

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 = 1.6

ph-index = 4

Forward Citations = 34(Granted Patents)


Location History:

  • Tokyo, JA (1976)
  • Atsugi, JP (1986 - 1987)
  • Kanagawa, JP (1997)

Company Filing History:


Years Active: 1976-1997

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4 patents (USPTO):Explore Patents

Title: Shizuo Yokoyama: Innovator in Imaging Technology

Introduction

Shizuo Yokoyama is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of imaging technology, particularly through his work with Ricoh Company, Ltd. His innovative spirit is reflected in his numerous patents, which showcase his expertise and creativity.

Latest Patents

Yokoyama holds 4 patents, with his latest inventions focusing on advanced imaging devices. One of his notable patents is for a facsimile apparatus that includes a heater for fixing images on a recording member. This apparatus features a heater control unit that manages the heater's temperature based on the receipt of an image signal. Additionally, he has developed an ink jet printer that utilizes a pump to pressurize ink for optimal performance. This printer incorporates a unique mechanism to address nozzle plugging, ensuring consistent ink flow.

Career Highlights

Throughout his career, Yokoyama has been instrumental in advancing imaging technology. His work at Ricoh Company, Ltd. has positioned him as a key player in the development of innovative printing solutions. His patents not only demonstrate his technical skills but also his ability to foresee the needs of the market.

Collaborations

Yokoyama has collaborated with talented individuals such as Tetsuro Hirota and Shigeyuki Araki. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the imaging sector.

Conclusion

Shizuo Yokoyama's contributions to imaging technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations.

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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