Yokohama, Japan

Masanori Nagayama

This inventor holds 2 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1989-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Nagayama. Retrieved from https://idiyas.com/inventor/masanori-nagayama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Tokyo, JP (1989)
  • Yokohama, JP (1994)

Company Filing History:


Years Active: 1989-1994

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

Title: Masanori Nagayama: Innovator in Image Forming Technology

Introduction

Masanori Nagayama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of image forming technology, holding a total of 2 patents. His work focuses on improving the efficiency and functionality of image forming apparatuses.

Latest Patents

Nagayama's latest patents include an innovative image forming apparatus. This apparatus operates in a copy control mode, where various components such as the main motor, eraser, cleaning bias power source, and developing motor are activated in a specific sequence. This design prevents toner and carrier from damaging the photoconductive element, ensuring a cleaner operation. Another patent involves a developing device for copiers, which features a shield plate that is angularly movable. This design allows for effective shielding of magnetic fields while maintaining the necessary magnetic field for development.

Career Highlights

Masanori Nagayama is currently employed at Ricoh Company, Ltd., a leading company in imaging and electronics. His work at Ricoh has allowed him to develop and refine technologies that enhance the performance of imaging devices.

Collaborations

Nagayama collaborates with Yukio Noguchi, contributing to advancements in their field through shared expertise and innovative ideas.

Conclusion

Masanori Nagayama's contributions to image forming technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the complexities involved in imaging systems, making him a valuable asset in the industry.

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…