Kanagawa, Japan

Masakazu Yoshida

This inventor holds 38 USPTO granted patents and 3 published patent applications and 12 EPO patents, primarily in Image Processing. Top assignee: Ricoh Company, Ltd.. Active years: 2006-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Yoshida. Retrieved from https://idiyas.com/inventor/masakazu-yoshida

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

USPTO Granted Patents = 38 

% Patents Active = 39.5


Average Co-Inventor Count = 4.5

ph-index = 6

Forward Citations = 121(Granted Patents)


Location History:

  • Yokohama, JP (2012)
  • Kanagawa, JP (2006 - 2019)

Company Filing History:


Years Active: 2006-2019

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Areas of Expertise:
Image Processing Apparatus
Inkjet Recording
Color Conversion
Double-Sided Printing
Error Diffusion
Image Forming Method
Printed Material Manufacturing
Dither Matrix
Bidirectional Printing
Printer Driver
Liquid Discharging Head
38 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Masakazu Yoshida in the Printing Industry

Introduction: Masakazu Yoshida, based in Kanagawa, Japan, is a prominent inventor with a remarkable portfolio of 38 patents. His work primarily focuses on advanced printing technologies, which have significantly impacted the field of print production and materials.

Latest Patents: Among his latest innovations, Yoshida has developed a series of patents that enhance printing systems and methodologies. One notable invention is a sophisticated printing apparatus that incorporates a plasma treatment unit, designed to acidify the surface of a print medium. This unique feature is critical for improving the adhesion of inks. The patent further details a primer applying unit that applies treatment liquid to the plasma-treated surface, followed by a recording unit that employs inkjet technology for precise printing. Additionally, another significant patent involves a printing apparatus that also utilizes plasma treatment to prepare the treatment object’s surface, facilitating high-quality inkjet recordings.

Career Highlights: Masakazu Yoshida’s career has been marked by his association with Ricoh Company, Ltd., a leader in printing technologies. His work at Ricoh has allowed him to be at the forefront of innovation, contributing to the development of new printing solutions that meet the evolving demands of the industry.

Collaborations: Throughout his career, Yoshida has collaborated with esteemed colleagues such as Takashi Kimura and Masanori Hirano. These partnerships have not only fostered a creative environment but have also led to the successful execution of numerous patent applications, further enriching the field of printing technology.

Conclusion: Masakazu Yoshida stands out as a vital contributor to the printing industry, with his innovative patents laying the groundwork for future advancements. His latest inventions continue to push the boundaries of printing technology, showcasing the importance of research and collaboration in driving innovation forward.

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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