Kanagawa, Japan

Ryo Nagai

This inventor holds 4 USPTO granted patents and 7 published patent applications and 2 EPO patents. Top assignees: Fujifilm Business Innovation Corp., Mitutoyo Mfg. Co., Ltd.. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryo Nagai. Retrieved from https://idiyas.com/inventor/ryo-nagai-b6839kco

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1987-2026

Loading Chart...
Loading Chart...
4 patents (USPTO):Explore Patents

Title: Ryo Nagai: Innovator in Electrostatic Image Development

Introduction

Ryo Nagai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrostatic image development, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of imaging technologies.

Latest Patents

Nagai's latest patents include a carrier for electrostatic image development and a photoelectric type displacement detection apparatus. The carrier for electrostatic image development features a core material and a resin coating layer that contains resin and carbon black particles. This innovative design ensures that the resin coating layer has an average thickness denoted as B μm and includes aggregates of carbon black particles that satisfy specific criteria. The photoelectric type displacement detecting apparatus, such as a digital display dial gauge micrometer, boasts an improved frequency response. It comprises optical lattice means, light emitting means, light receiving means, and a detection circuit that generates output signals indicative of relative movement in the lattice.

Career Highlights

Throughout his career, Ryo Nagai has worked with prominent companies such as Mitutoyo Mfg. Co., Ltd. and Fujifilm Business Innovation Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in imaging technology.

Collaborations

Nagai has collaborated with talented individuals in his field, including Yosuke Tsurumi and Yasuo Kadokura. These partnerships have fostered a creative environment that encourages the development of new ideas and technologies.

Conclusion

Ryo Nagai's contributions to electrostatic image development and displacement detection apparatuses highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving imaging systems, making him a significant figure 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]
Loading…