Hitachi, Japan

Nobuo Tokoro

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuo Tokoro. Retrieved from https://idiyas.com/inventor/nobuo-tokoro

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 = 4.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: Nobuo Tokoro: Innovator in Image Forming Technology

Introduction

Nobuo Tokoro is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of image forming technology, particularly through his innovative patent related to toner measurement in electro-photographic processes. His work has implications for improving the efficiency and accuracy of image forming apparatuses.

Latest Patents

Nobuo Tokoro holds a patent for an "Image forming apparatus which measures deposit amounts of toner." This invention addresses the challenges of accurately measuring toner deposits in devices that utilize multiple colors of toner. The patent describes a system where a toner deposit amount sensor is equipped with a light-receiving element that captures both regularly and irregularly reflected light. This design enhances the measurement accuracy by accounting for variations in reflectance between different toner colors and the base medium.

Career Highlights

Throughout his career, Nobuo Tokoro has been associated with Hitachi, Ltd., a leading company in technology and innovation. His work has focused on developing advanced imaging technologies that improve the quality and reliability of printed materials. With a total of 1 patent, his contributions have been recognized within the industry.

Collaborations

Nobuo Tokoro has collaborated with esteemed colleagues such as Akira Shimada and Toru Miyasaka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of image forming technology.

Conclusion

Nobuo Tokoro's contributions to the field of image forming technology exemplify the importance of innovation in enhancing device performance. His patent on toner measurement is a testament to his expertise and commitment to advancing 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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