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Kanagawa, Japan

Hitachi Video and Information System, Inc.

USPTO Granted Patents = 46

% Expired Patents = 23.9

EPO Patents = 1

Forward Citations = 606

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158 inventors (with patents filed for the assignee):

Tsutomu Furuhashi (6 out of 95 patents)

Kiyokazu Nishioka (5 out of 26 patents)

Nobuo Tsuchiya (5 out of 7 patents)

4. Toshio Futami (4 out of 39 patents)

5. Takeshi Maeda (4 out of 211 patents)

6. Tatsuhiro Inuzuka (4 out of 24 patents)

7. Masahiro Jinushi (4 out of 5 patents)

8. Tetsuya Suzuki (3 out of 50 patents)

9. Masayuki Inoue (3 out of 111 patents)

10. Naruhiko Kasai (3 out of 80 patents)

11. Hiroshi Kurihara (3 out of 92 patents)

12. Kazuyoshi Kawabe (3 out of 14 patents)

13. Takaaki Matono (3 out of 32 patents)

14. Makiko Ikeda (3 out of 17 patents)

15. Kenji Matsumoto (3 out of 37 patents)

Core Competencies:

Liquid Crystal Display

Video Signal Processing

Information Recording

Image Display

Display Controller

Power Consumption

Electronic Purse

High Frequency Module

Digital Image Correction

Auto-Iris

Projection Technology

Data Synchronization

46 patents: Sort by Forward Citations

1. 8094112 - Liquid crystal display driving method/driving circuit capable of being driven with equal voltages (2012-01-10),

2. 7432897 - Liquid crystal display device for displaying video data (2008-10-07),

3. 7346579 - Electronic purse application system and method thereof (2008-03-18),

4. 7278029 - Program writable IC card and method thereof (2007-10-02),

5. 7227825 - Signal recording/reproducing apparatus with improved power consumption (2007-06-05),

6. 7113163 - Liquid crystal display apparatus (2006-09-26),

7. 7061511 - Liquid crystal device having improved-response-characteristic drivability (2006-06-13),

8. 7038649 - Liquid crystal display driving method/driving circuit capable of being driven with equal voltages (2006-05-02),

9. 7020833 - Data synchronization detection method, information recording method, and information reproduction method (2006-03-28),

10. 6980385 - Apparatus for information recording and reproducing (2005-12-27),

11. 6976625 - Electronic purse (2005-12-20),

12. 6925532 - Broadcast system in disk array controller (2005-08-02),

13. 6862021 - Liquid crystal display control apparatus and liquid crystal display apparatus (2005-03-01),

14. 6850214 - Liquid crystal display device for displaying video data (2005-02-01),

15. 6151079 - Image display apparatus having a circuit for magnifying and processing a (2000-11-21),

Company Overview

Hitachi Video and Information System, Inc., based in Kanagawa, Japan, specializes in advanced technologies related to video signal processing and image display apparatus. The company focuses on the development and manufacturing of liquid crystal displays and high-frequency modules, contributing to innovations in electronic purse systems and digital image correction. With a commitment to enhancing visual technology, Hitachi Video and Information System plays a pivotal role in the evolution of display and recording solutions across various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

46 Patents

#65 in Kanagawa

#1,808 in Japan

#15,122 in the World

Kanagawa, Japan

Hitachi Video and Information System, Inc.

Forward Citations = 606

158 inventors:

Tsutomu Furuhashi (6 out of 95 patents)

Kiyokazu Nishioka (5 out of 26 patents)

Nobuo Tsuchiya (5 out of 7 patents)

4. Toshio Futami (4 out of 39 patents)

5. Takeshi Maeda (4 out of 211 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Video and Information System, Inc.. Retrieved from https://idiyas.com/company/hitachi-video-and-information-system

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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