Shigeo Yamagata

This inventor holds 60 USPTO granted patents, primarily in Image Processing Technology (CPC class 360 ). Top assignee: Canon Kabushiki Kaisha. Active years: 1988-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Yamagata. Retrieved from https://idiyas.com/inventor/shigeo-yamagata

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

USPTO Granted Patents = 60

% Patents Active = 88.3

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 549(Granted Patents)

Forward Citations (Not Self Cited) = 543(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kawasaki, JP (1990 - 2000)
Kanagawa, JP (1988 - 2007)
Ohta-ku, JP (2005 - 2009)
Kanagawa-ken, JP (1996 - 2010)
Yokohama, JP (1993 - 2011)

Company Filing History:

60 out of 92,994

Canon Kabushiki Kaisha

patents

Years Active: 1988-2011

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Areas of Expertise:

Image Processing

Forged Image Prevention

Recording Apparatus

Dimming Control

Color Conversion

Image Reading

Memory Control

Still Image Reproduction

Marker Editing

Video Signal Recording

60 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7940405 - Image processing system for preventing forgery (2011-05-10),

2. 7692813 - Image processing apparatus and method, and storage medium (2010-04-06),

3. 7577391 - Image processing system (2009-08-18),

4. 7446890 - Image processing system for preventing forgery (2008-11-04),

5. 7310814 - Service providing system, service providing apparatus, service providing method, and program for implementing the method (2007-12-18),

6. 7095514 - Image processing system for preventing forgery (2006-08-22),

7. 7072083 - Image reading apparatus, and dimming control method and line sensor layout method therefor (2006-07-04),

8. 7064871 - Image reading apparatus which controls a correction operation of an image signal of an original image read through a transparent member in accordance with individual data representing transmittancy of the transparent member (2006-06-20),

9. 7054029 - Image processing apparatus and method, and storage medium (2006-05-30),

10. 7053895 - Image processing apparatus, image processing method, control program and recording medium (2006-05-30),

11. 6978112 - Image processing system (2005-12-20),

12. 6965405 - Imaging pickup apparatus with control information capable of being stored to detachably attached memory (2005-11-15),

13. 6774902 - Memory control apparatus and method (2004-08-10),

14. 6714718 - RECORDING AND REPRODUCING APPARATUS COMPRISING RECORDING MEANS FOR RECORDING INPUT IMAGE SIGNAL OR WHICH AUTOMATICALLY REVIEWS AND PRODUCES RECORD IMAGES, A REPRODUCING SYSTEM FOR USE WITH A RECORDING DEVICE RECORDING AN IMAGE INPUT SIGNAL, AN APPARATUS FOR USE WITH A RECORDING AND REPRODUCING SYSTEM WHICH CONTINUOUSLY RECORDS A PLURALITY OF IMAGES, AND A REPRODUCING METHOD (2004-03-30),

15. 6714676 - Image processing apparatus and image processing method (2004-03-30),

Title: Shigeo Yamagata: Innovator in Image Processing Technology

Introduction

Shigeo Yamagata, a prominent inventor based in Yokohama, Japan, holds an impressive portfolio of 60 patents. His contributions to the field of image processing technology reflect his commitment to solving complex challenges in the digital age.

Latest Patents

Among his latest innovations are several patented technologies aimed at enhancing the security and reliability of image processing systems. One of his notable patents focuses on an image processing system designed to prevent forgery. This invention addresses the difficulty of securely and efficiently determining whether a specific image has been previously recognized. The system includes input units for color image data, judgment units for assessing forgery, and an advanced image judging unit. Another significant patent pertains to an image processing apparatus and method that ensures type discrimination of rendered objects. This invention improves the synthesis of objects by appending crucial information regarding the types of synthesized images, ensuring clarity and credibility in visual representations.

Career Highlights

Shigeo Yamagata's professional journey is closely tied to Canon Inc., where he continues to innovate and contribute to the company's advancements in imaging technologies. His work has significantly influenced the development of secure image processing methods, positioning him as a leader in his field.

Collaborations

Yamagata has collaborated closely with notable colleagues, such as Yasutomo Suzuki and Masahiro Takei. These partnerships have fostered an environment of innovation, allowing them to tackle various challenges within the realm of image processing.

Conclusion

Shigeo Yamagata's innovative spirit and dedication to advancing image processing technology have resulted in numerous patents that enhance the security and functionality of digital images. His work not only showcases his expertise but also underscores the importance of innovation in addressing modern technological challenges.

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]