Nagoya, Japan

Yasuhiko Saka

This inventor holds 6 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1989-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Saka. Retrieved from https://idiyas.com/inventor/yasuhiko-saka

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


% Patents Active = 83.3

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 131(Granted Patents)


Location History:

  • Yamato, JP (1989)
  • Tokyo, JP (2003)
  • Nagoya, JP (2003 - 2006)
  • Kanagawa, JP (2009)

Company Filing History:


Years Active: 1989-2009

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6 patents (USPTO):Explore Patents

Title: Yasuhiko Saka: Innovator in Imaging Technology

Introduction

Yasuhiko Saka is a prominent inventor based in Nagoya, Japan. He has made significant contributions to the field of imaging technology, holding a total of 6 patents. His work focuses on developing advanced methods and apparatuses that enhance the functionality and reliability of imaging systems.

Latest Patents

Saka's latest patents include an abnormality diagnosing method and a condition appraisal apparatus. These innovations allow for a highly reliable diagnosis of abnormalities in image forming apparatuses immediately after delivery to users. Additionally, he has developed a coordinate inputting/detecting apparatus designed to avoid trailing phenomena. This apparatus utilizes an optical detection signal to determine the position of a designating device within a two-dimensional coordinate area, ensuring accurate recognition of coordinates.

Career Highlights

Yasuhiko Saka is currently employed at Ricoh Company, Ltd., where he continues to push the boundaries of imaging technology. His expertise and innovative spirit have led to the development of several key technologies that improve user experience and operational efficiency in imaging devices.

Collaborations

Throughout his career, Saka has collaborated with notable colleagues, including Kenichi Takekawa and Takahiro Ito. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Yasuhiko Saka's contributions to imaging technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the industry and improve the functionality of imaging systems.

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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