Tokyo, Japan

Nobuyuki Itoh

This inventor holds 25 USPTO granted patents and 7 EPO patents, primarily in Ozone Generation Technology. Top assignees: Kabushiki Kaisha Toshiba, Canon Kabushiki Kaisha, Toshiba Mitsubishi-Electric Industrial Systems Corporation. Active years: 1990-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Itoh. Retrieved from https://idiyas.com/inventor/nobuyuki-itoh

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

Calculating rank

% Patents Active = 68.0

 

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 226(Granted Patents)


Location History:

  • Kawasaki, JP (1993 - 1996)
  • Oume, JP (1996)
  • Shizuoka, JP (2004 - 2007)
  • Shizuoka-ken, JP (2008)
  • Bunkyo-ku, JP (2007 - 2014)
  • Tokyo, JP (1990 - 2015)
  • Minato-ku, JP (2013 - 2015)

Company Filing History:


Years Active: 1990-2015

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Areas of Expertise:
Ozone Gas Generation
Voltage Control Oscillator
Semiconductor Manufacturing
Image Forming Apparatus
Frequency Synthesizer
Electrophotography Toner
Transceiver Technology
Bipolar Transistor Fabrication
Gas Concentration Apparatus
Communication Apparatus
Deep-Color Toner
Dilution Method
25 patents (USPTO):Explore Patents

Title: Nobuyuki Itoh: Innovator in Toner Technologies

Introduction

Nobuyuki Itoh is a prominent inventor based in Shizuoka, Japan, known for his groundbreaking contributions to the field of imaging technology. With a total of seven patents to his name, Itoh has played a significant role in enhancing the quality and efficiency of toner products used in printers and copiers.

Latest Patents

Among his latest innovations are patents focused on toner kits, specifically featuring deep-color cyan toner and pale-color cyan toner. His inventions include methods for forming images using these toners, where both the deep and pale toners are designed to meet specific conditions within the L*a*b* color coordinate system. This makes it possible to produce high-quality images while minimizing graininess and roughness across various density areas. His innovative designs are poised to revolutionize the quality of printed materials.

Career Highlights

Nobuyuki Itoh is associated with Canon Inc., a leading company in imaging and optical products. With his expertise in toner technology, he has contributed significantly to Canon's product offerings, helping advance the company's reputation for quality and innovation. His dedication to improving imaging outcomes aligns with Canon's commitment to delivering cutting-edge solutions in printing technology.

Collaborations

Throughout his career, Itoh has collaborated with talented colleagues, including Yasukazu Ayaki and Takeshi Ikeda. These collaborations have fostered a dynamic environment for innovation, bringing together diverse skill sets and ideas to push the boundaries of what is possible in the realm of imaging technology.

Conclusion

Nobuyuki Itoh exemplifies the spirit of innovation in the field of toner and imaging technology. With multiple patents that enhance image quality and reduce imperfections, his work continues to impact the industry positively. As technology advances, Itoh's contributions will likely shape the future of printing and imaging solutions, reinforcing the importance of ongoing research and development in this exciting 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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