Nagano, Japan

Keiko Okayasu

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Seiko Epson Corporation. Active years: 1991-2011.

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

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


% Patents Active = 50.0


Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 25(Granted Patents)


Location History:

  • Nagano, JP (1991)
  • Nagano-ken, JP (2011)

Company Filing History:


Years Active: 1991-2011

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2 patents (USPTO):Explore Patents

Title: Keiko Okayasu: Innovator in Display Technology

Introduction

Keiko Okayasu is a notable inventor based in Nagano, Japan. He has made significant contributions to the field of display technology, holding a total of 2 patents. His work reflects a commitment to innovation and practical solutions in engineering.

Latest Patents

One of Okayasu's latest inventions is the dial indicator display device. This device features a needle indicator, a needle moving means for adjusting the needle's position, and a display panel that can show images. The drive control means is designed to manage the needle movement and the display panel. It includes a scale display control means that presents a scale in a designated area on the display panel, which overlaps with the needle's movement range. Additionally, the needle position detection means tracks the needle's position, while the information display means provides relevant information. The scale display control means effectively segments the display area into a scale area and a no-scale area, ensuring that the scale is only visible in the appropriate section.

Another invention by Okayasu is a fabric shaver with a cover. This product showcases his ability to create practical household items that enhance user experience.

Career Highlights

Keiko Okayasu is currently employed at Seiko Epson Corporation, a company renowned for its innovative technology solutions. His role at the company allows him to further develop his ideas and contribute to cutting-edge projects.

Collaborations

Throughout his career, Okayasu has collaborated with talented individuals such as Katsutoyo Inoue and Akiko Obara. Their teamwork has fostered an environment of creativity and innovation, leading to the development of impactful inventions.

Conclusion

Keiko Okayasu's contributions to display technology and household innovations highlight his role as a significant inventor in Japan. His patents reflect a blend of creativity and practicality, making a lasting impact in his field.

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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