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Hokkaido, Japan

Hudson Soft Co., Ltd.

USPTO Granted Patents = 64

% Expired Patents = 3.1

CIPO Patents = 4

Trademarks = 2

Forward Citations = 1,228

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43 inventors (with patents filed for the assignee):

Kimio Yamamura (9 out of 10 patents)

Masahide Tomita (8 out of 8 patents)

Katsunori Takahashi (7 out of 7 patents)

4. Setsuo Okada (7 out of 7 patents)

5. Koji Aoyama (6 out of 6 patents)

6. Fumihiko Itagaki (5 out of 7 patents)

7. Seiji Tateyama (5 out of 5 patents)

8. Toshiya Takano (4 out of 5 patents)

9. Miyuki Kawashima (3 out of 4 patents)

10. Takashi Miura (3 out of 4 patents)

11. Mitsuhiro Takahashi (3 out of 3 patents)

12. Koji Arai (3 out of 3 patents)

13. Toshiyuki Manabe (2 out of 9 patents)

14. Noriyoshi Takeya (2 out of 23 patents)

15. Kazuo Tsubota (2 out of 2 patents)

Core Competencies:

Image Encoding

Game Programming

Sound Processing

Data Management

Video Mixing

Image Compression

Multimedia Systems

Color Correction

Electronic Game

Virtual Screen

Data Transfer

64 patents: Sort by Forward Citations

1. 7360762 - Die eye number determination method, die eye number determination apparatus, and electronic apparatus using same (2008-04-22),

2. 7231089 - Image encoding/decoding method, apparatus thereof and recording medium in which program therefor is recorded (2007-06-12),

3. 7162197 - Picture book production system, server for producing picture book, and recording medium (2007-01-09),

4. 6731810 - Method and apparatus for coding moving image and medium for recording program of coding moving image (2004-05-04),

5. 6714687 - Image encoding/decoding method, apparatus thereof and recording medium in which program therefor is recorded (2004-03-30),

6. 6594547 - Baggage managing system in airport (2003-07-15),

7. 6453286 - Computer system for processing image and sound data using ADPCM stereo coding (2002-09-17),

8. 6380944 - Image processing system for processing image data in a plurality of color modes (2002-04-30),

9. 6312153 - Clock or watch having accuracy-improving function (2001-11-06),

10. 6302792 - Method of setting level parameters of enemy characters of a computer game and device therefor (2001-10-16),

11. 6252997 - Method for image processing (2001-06-26),

12. 6208333 - Image processing system including image data compression (2001-03-27),

13. 6065132 - Information processing system having a CPU for controlling access (2000-05-16),

14. 6006165 - Speed measuring apparatus and toy for measuring speed of moving member (1999-12-21),

15. 5993319 - Home television-game apparatus with time management unit (1999-11-30),

Company Overview

Hudson Soft Co., Ltd., based in Hokkaido, Japan, specializes in advanced image processing technologies. The company is known for its innovative work in areas such as image encoding, game programming, and sound processing, contributing significantly to multimedia systems. Hudson Soft also focuses on data management and video mixing, enhancing the quality and efficiency of digital content. Their expertise in image compression and color correction further solidifies their position in the multimedia landscape, catering to both gaming and broader entertainment sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

64 Patents

#2 in Hokkaido

#1,487 in Japan

#11,484 in the World

Hokkaido, Japan

Hudson Soft Co., Ltd.

Forward Citations = 1,228

43 inventors:

Kimio Yamamura (9 out of 10 patents)

Masahide Tomita (8 out of 8 patents)

Katsunori Takahashi (7 out of 7 patents)

4. Setsuo Okada (7 out of 7 patents)

5. Koji Aoyama (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hudson Soft Co., Ltd.. Retrieved from https://idiyas.com/company/hudson-soft-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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