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For the Inventor, By the Inventor

Saitama, Japan

Shigeo Kato

This inventor holds 12 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1981-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeo Kato. Retrieved from https://idiyas.com/inventor/shigeo-kato-rtj3cahs

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 270(Granted Patents)


Location History:

  • Noda, JP (1981 - 1988)
  • Saitama, JP (1992 - 1995)
  • Saitama-ken, JP (1997 - 1998)
  • Katsushika-gun, JP (1999)

Company Filing History:

goldMedal12 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1981-1999

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12 patents (USPTO):Explore Patents
1. 5909505 - Color image encoding method and apparatus (1999-06-01),
2. 5710826 - Image encoding method (1998-01-20),
3. 5668646 - Apparatus and method for decoding differently encoded multi-level and (1997-09-16),
4. 5416606 - Method and apparatus for encoding or decoding an image in accordance (1995-05-16),
5. 5361147 - Method and apparatus for encoding and decoding color images (1994-11-01),
6. 5331426 - Image encoding method (1994-07-19),
7. 5317428 - Image encoding method and apparatus providing variable length bit stream (1994-05-31),
8. 5136396 - Image encoding method (1992-08-04),
9. 5124811 - Image encoding apparatus (1992-06-23),
10. 4760007 - Process of developing latent electrostatic image using dry magnetic (1988-07-26),
11. 4265994 - Pressure fixable capsule toner (1981-05-05),
12. 4259426 - Pressure fixable microcapsule toner and electrostatic image developing (1981-03-31),

Title: Shigeo Kato: Innovator in Image Processing Technology

Introduction

Shigeo Kato is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of image processing, holding a total of 12 patents. His work focuses on enhancing the efficiency and quality of image encoding methods.

Latest Patents

Among his latest patents is a color image encoding method and apparatus. This invention relates to an image processing apparatus that encodes or decodes image data. It discloses a technique for extracting image features, particularly thin image portions of specific colors, and encodes these portions with high efficiency to minimize degradation of image quality. Another notable patent is an image encoding method designed for use in facsimile or image filing apparatuses. This method involves converting a color image signal into a bit stream signal, which is then encoded using prediction encoding. The encoding operation adapts to the color image signal, allowing for efficient encoding while preventing an increase in data amount.

Career Highlights

Shigeo Kato is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has been instrumental in advancing image processing technologies, making significant impacts in various applications.

Collaborations

Some of his notable coworkers include Yasuhiko Yasuda and Akihiro Katayama. Their collaborative efforts have contributed to the development of innovative technologies in the field of image processing.

Conclusion

Shigeo Kato's contributions to image processing technology through his patents and work at Canon highlight his role as a key innovator in the industry. His inventions continue to influence the way images are processed and encoded, ensuring high-quality results in various applications.

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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