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Kanagawa-ken, Japan

Hitachi Video and Information System, Inc.

USPTO Granted Patents = 46

EPO Patents = 1

Forward Citations = 604

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162 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 210 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 107 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)

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),

Hitachi Video and Information System, Inc. is a leading provider of advanced video and information solutions. They specialize in developing cutting-edge technology and software for various industries such as security, surveillance, transportation, and healthcare. With their extensive expertise and innovative solutions, Hitachi helps businesses optimize their operations, improve safety and security, and enhance overall efficiency.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

46 Patents

#12 in Kanagawa-ken

#1,768 in Japan

#14,661 in the World

Kanagawa-ken, Japan

Hitachi Video and Information System, Inc.

Forward Citations = 604

162 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 210 patents)

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