Osaka, Japan

Nobuhiro Maezawa

This inventor holds 28 USPTO granted patents and 13 published patent applications and 1 EPO patent, primarily in Inkjet Printing Technology. Top assignees: Kyocera Document Solutions Inc., Sharp Kabushiki Kaisha Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuhiro Maezawa. Retrieved from https://idiyas.com/inventor/nobuhiro-maezawa

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

USPTO Granted Patents = 28 

% Patents Active = 50.0

 

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Yamatokoriyama, JP (2010 - 2012)
  • Osaka, JP (2012 - 2023)

Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Inkjet Image Forming Apparatus
Toner Manufacturing
Developing Device
Heat Conductivity
Image Distortion
Precoating Liquid
Coalesced Resin Particles
Two-Component Developer
Functional Particle
Variable AC Bias Voltage
Aggregate Particles
28 patents (USPTO):Explore Patents

Title: Nobuhiro Maezawa: Innovator in Image Forming Technology

Introduction

Nobuhiro Maezawa is an accomplished inventor based in Osaka, Japan. With a portfolio comprising 20 patents, he has made significant contributions to the field of image forming technology. His innovative devices and methodologies have notably advanced the performance and efficiency of developing devices used in image processing.

Latest Patents

One of Maezawa's most recent patents involves a groundbreaking developing device and the image forming apparatus associated with it. This patent addresses the challenge of stabilizing toner collection from the photoconductor drum to the developing roller and subsequently to the feed roller. The invention suppresses the occurrence of development ghosts, which can compromise image quality. The device features a developing roller, a feed roller, and a restriction blade. Notably, the Asker-C hardness of the developing roller is precisely controlled, as is the width of the feed nip part and the compressive load applied to the feed roller. An additional critical aspect of the invention involves the design of the developing roller, which includes a base portion, an elastic layer, and a specific coating that enhances functionality, all developed to meet strict technical standards.

Career Highlights

Throughout his professional journey, Nobuhiro Maezawa has worked for prominent companies such as Sharp Corporation and Kyocera Document Solutions Inc. His roles in these organizations have allowed him to drive innovation and focus on developing cutting-edge technologies in the realm of imaging solutions.

Collaborations

Maezawa has collaborated with several notable professionals during his career. Among his coworkers are Katsuru Matsumoto and Keiichi Kikawa, both of whom have contributed to the inventive process and discussions leading to the development of various patents. Such collaborations have enhanced the innovation landscape within their organizations and contributed to successful outcomes on several projects.

Conclusion

Nobuhiro Maezawa's work exemplifies the spirit of innovation that drives advancements in image forming technology. With an impressive array of patents to his name and a dedication to enhancing the functionality and efficiency of developing devices, Maezawa continues to influence the industry and inspire future innovations. His contributions lay important groundwork for the ongoing evolution of imaging technologies, ensuring that they remain at the forefront of functionality and performance.

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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