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Tokushima, Japan

Justsystem Corporation

USPTO Granted Patents = 35

% Expired Patents = 14.3

CIPO Patents = 1

Forward Citations = 1,790

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38 inventors (with patents filed for the assignee):

Kazunori Ukigawa (7 out of 7 patents)

Hiroki Yamashita (6 out of 6 patents)

Nobuhide Yamazaki (5 out of 18 patents)

4. Mark Kantrowitz (5 out of 7 patents)

5. Rahul Sukthankar (3 out of 8 patents)

6. Matthew Mullin (3 out of 3 patents)

7. Mami Uchida (2 out of 16 patents)

8. Michael John Witbrock (2 out of 7 patents)

9. Tatsuo Kobayashi (2 out of 3 patents)

10. Natsuko Yotsumoto (2 out of 2 patents)

11. Masahiro Asai (2 out of 15 patents)

12. Takaaki Miura (2 out of 2 patents)

13. Katsuhisa Takata (2 out of 2 patents)

14. Akira Yamada (2 out of 2 patents)

15. Robert Stockton (2 out of 2 patents)

35 patents: Sort by Forward Citations

1. 7778922 - Account settlement method in online shopping (2010-08-17),

2. 7742983 - Account settlement method in online shopping (2010-06-22),

3. 7603686 - Information processing method and apparatus and recording medium (2009-10-13),

4. 7457850 - Information server system (2008-11-25),

5. 7337228 - Information processing method and apparatus and recording medium for controlling and simplifying a sign-up operation of an apparatus over a network (2008-02-26),

6. 7003361 - Design support apparatus, design support method, and program (2006-02-21),

7. 6978419 - Method and apparatus for efficient identification of duplicate and near-duplicate documents and text spans using high-discriminability text fragments (2005-12-20),

8. 6938098 - Method for providing digital contents with offering access incentive (2005-08-30),

9. 6877024 - Network system and method for providing voice information to participants in a chat session set at an audible level corresponding to the number of participants currently logged in the chat session (2005-04-05),

10. 6779018 - Counted time period certifying system (2004-08-17),

11. 6753907 - Method and apparatus for automatic keystone correction (2004-06-22),

12. 6704447 - Method and apparatus for using illumination from a display for computer vision based user interfaces and biometric authentication (2004-03-09),

13. 6622140 - Method and apparatus for analyzing affect and emotion in text (2003-09-16),

14. 6618697 - Method for rule-based correction of spelling and grammar errors (2003-09-09),

15. 6618076 - Method and apparatus for calibrating projector-camera system (2003-09-09),

Justsystem Corporation is a Japanese software company specializing in office productivity tools, language processing solutions, and content management systems. With a history spanning over 40 years, the company has become a leader in providing innovative software solutions for businesses and individuals. Their products include popular office software such as Just Office, language learning tools like ATOK, and enterprise content management systems like VeraLab. Justsystem Corporation is committed to delivering high-quality software that enhances productivity and improves communication across various platforms.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Justsystem Corporation

35 Patents

#6 in Tokushima

#2,127 in Japan

#19,116 in the World

Tokushima, Japan

Justsystem Corporation

Forward Citations = 1,790

38 inventors:

Kazunori Ukigawa (7 out of 7 patents)

Hiroki Yamashita (6 out of 6 patents)

Nobuhide Yamazaki (5 out of 18 patents)

4. Mark Kantrowitz (5 out of 7 patents)

5. Rahul Sukthankar (3 out of 8 patents)

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