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Wakayama, Japan

Noritsu Koki Co., Ltd.

USPTO Granted Patents = 439

% Expired Patents = 25.1

CIPO Patents = 13

EPO Patents = 4

Trademarks = 2

Forward Citations = 1,836

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278 inventors (with patents filed for the assignee):

Masazumi Ishikawa (23 out of 24 patents)

Toru Tanibata (23 out of 23 patents)

Yuji Yamamoto (21 out of 22 patents)

4. Koji Kita (19 out of 27 patents)

5. Hiroshi Miyawaki (18 out of 21 patents)

6. Takuji Yamaguchi (17 out of 17 patents)

7. Hidetoshi Nishikawa (16 out of 16 patents)

8. Tohru Tanibata (16 out of 16 patents)

9. Masayuki Kojima (15 out of 15 patents)

10. Toshiro Akira (12 out of 13 patents)

11. Yasunobu Shimamura (12 out of 12 patents)

12. Mitsuhiko Itojima (12 out of 12 patents)

13. Hironori Masutani (11 out of 11 patents)

14. Masaaki Tsuji (11 out of 11 patents)

15. Kenji Todoki (10 out of 10 patents)

Core Competencies:

Image Processing

Photographic Printing

Noise Reduction

Image Correction

Inkjet Printer

Digital Imaging

Image Data

Image Exposure

Calibration Printing

Laminating Method

Automatic Print Frame

Digital Photo Processing

439 patents: Sort by Forward Citations

1. 8181951 - Image forming apparatus (2012-05-22),

2. 7969597 - Printing system that outputs a photographic print from acquired image data (2011-06-28),

3. 7954939 - Decurling mechanism (2011-06-07),

4. 7907187 - Image data process apparatus selecting image data in a directory judged not compliant with the DCF standard and computer readable medium encoded with image data process program to select such image data (2011-03-15),

5. 7813872 - Image processing system, method and apparatus for correlating position data with image data (2010-10-12),

6. 7809612 - Image receiving apparatus (2010-10-05),

7. 7792636 - Image processing system, method and apparatus for correlating position data with image data (2010-09-07),

8. 7791778 - Image processing apparatus (2010-09-07),

9. 7785436 - Laminating method for forming a laminate layer on a recording surface of a recording medium (2010-08-31),

10. 7766476 - Recording paper magazine and ink-jet printer having the same (2010-08-03),

11. 7760388 - Automatic print frame setting apparatus (2010-07-20),

12. 7720599 - Tourist information guiding apparatus (2010-05-18),

13. 7702539 - Picture order receiving apparatus and a picture processing system (2010-04-20),

14. 7697784 - Method for reducing noise in images (2010-04-13),

15. 7692830 - Luminance nonuniformity adjustment method and luminance nonuniformity adjustment module using this method (2010-04-06),

Company Overview

Noritsu Koki Co., Ltd., headquartered in Wakayama, Japan, specializes in advanced image processing technology. The company is renowned for its innovations in photographic printing, focusing on enhancing image quality through noise reduction and image correction techniques. Noritsu's expertise extends to digital imaging and inkjet printing, providing solutions that cater to both professional and consumer markets. With a commitment to excellence, Noritsu continues to lead in developing technologies that improve image exposure and data management in the imaging industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

439 Patents

#1 in Wakayama

#417 in Japan

#2,166 in the World

Wakayama, Japan

Noritsu Koki Co., Ltd.

Forward Citations = 1,836

278 inventors:

Masazumi Ishikawa (23 out of 24 patents)

Toru Tanibata (23 out of 23 patents)

Yuji Yamamoto (21 out of 22 patents)

4. Koji Kita (19 out of 27 patents)

5. Hiroshi Miyawaki (18 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Noritsu Koki Co., Ltd.. Retrieved from https://idiyas.com/company/noritsu-koki-company

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

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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