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For the Inventor, By the Inventor

Joetsu, Japan

Yukio Koyanagi

This inventor holds 5 USPTO granted patents. Top assignee: Niigata Seimitsu Co., Ltd.. Active years: 2002-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Koyanagi. Retrieved from https://idiyas.com/inventor/yukio-koyanagi-2banrofc

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

USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 1.7

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • jouetsu, JP (2002 - 2004)
  • Yamanashi, JP (2005)
  • Joetsu, JP (2006)

Company Filing History:

goldMedal5 out of 65 
 
Niigata Seimitsu Co., Ltd.
 patents

Years Active: 2002-2006

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5 patents (USPTO):Explore Patents
1. 7034885 - Image processing circuit (2006-04-25),
2. 6894966 - Interpolation circuit (2005-05-17),
3. 6763407 - Digital-to-analog converter with plural voltage holding sections, plural step function generators, voltage summing section and integrator (2004-07-13),
4. 6735608 - Data interpolation method (2004-05-11),
5. 6411238 - Digital to analog converter with step voltage generator for smoothing analog output (2002-06-25),

Title: Innovations by Yukio Koyanagi

Introduction

Yukio Koyanagi is a notable inventor based in Jouetsu, Japan. He has made significant contributions to the field of image processing, holding a total of five patents. His work focuses on enhancing image resolution and processing speed through innovative circuit designs.

Latest Patents

One of his latest patents is an image processing circuit that enables high-speed processing while improving both horizontal and vertical resolutions. This circuit utilizes a simple structure to extract pixel values from a grid of nine pixels, enhancing the quality of the output image. Another significant patent is an interpolation circuit designed to perform interpolation operations efficiently. This circuit achieves 16-times oversampling from discrete data and employs convolution operations to interpolate data along a quadratic function curve.

Career Highlights

Yukio Koyanagi is currently employed at Niigata Seimitsu Co., Ltd., where he continues to innovate in the field of image processing technology. His work has been instrumental in advancing the capabilities of image processing circuits, making them more efficient and effective.

Collaborations

Yukio has collaborated with Kazuo Toraichi, contributing to the development of advanced technologies in their field.

Conclusion

Yukio Koyanagi's contributions to image processing technology through his patents reflect his innovative spirit and dedication to enhancing image quality and processing efficiency. His work continues to influence the industry positively.

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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