Himeji, Japan

Ryuzo Tanigawa

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Glory Ltd., Komori Corporation. Active years: 2018-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuzo Tanigawa. Retrieved from https://idiyas.com/inventor/ryuzo-tanigawa

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


% Patents Active = 50.0

 

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Hyogo, JP (2018)
  • Himeji, JP (2020)

Company Filing History:


Years Active: 2018-2020

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2 patents (USPTO):Explore Patents

Title: The Innovations of Ryuzo Tanigawa

Introduction

Ryuzo Tanigawa is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of printing technology, holding a total of 2 patents. His work focuses on enhancing print quality and image processing techniques.

Latest Patents

Tanigawa's latest patents include a print quality examination device and a method for removing character backgrounds from colored images. The print quality examination device is designed for use in printing machines, featuring an examination camera that captures images of printed sheets. It also includes a light source for illumination and a print quality examination unit that assesses the quality of the printed image based on the captured data. The device is engineered to allow the examination camera or light source to move along an arc around a detection point, optimizing the quality assessment process.

The second patent addresses a method for removing character backgrounds from color images. This innovative method separates a color input image into character and background components. It calculates a discriminant function to distinguish between pixels of the character and background, ultimately generating an image with the background removed. Additionally, it includes an installation adjustment method for a line camera, ensuring precise image capture of large printed objects.

Career Highlights

Throughout his career, Tanigawa has worked with prominent companies in the printing industry, including Glory Ltd. and Komori Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in printing technology.

Collaborations

Tanigawa has collaborated with talented individuals such as Sayuri Yanagiuchi and Hiroyuki Onishi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the printing sector.

Conclusion

Ryuzo Tanigawa's contributions to printing technology through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative approaches continue to shape the future of print quality and image processing.

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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