Forward Citations = 404

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3 inventors (with patents filed for the assignee):

Yoshikazu Itoh (5 out of 6 patents)

Fumio Watanabe (4 out of 50 patents)

Shunji Wake (2 out of 2 patents)

5 patents: Sort by Forward Citations

1. 5091877 - Data processing apparatus (1992-02-25),

2. 4905080 - Apparatus for collecting television channel data and market research data (1990-02-27),

3. 4792864 - Apparatus for detecting recorded data in a video tape recorder for (1988-12-20),

4. 4622583 - Audience rating measuring system (1986-11-11),

5. 4574304 - Audience rating measuring system for television and video tape recorder (1986-03-04),

Video Research Ltd. is a leading company in the field of video market research. Established in 1983, we specialize in providing data-driven insights and analysis for businesses looking to understand consumer behavior and trends in the video industry. Our cutting-edge technology and experienced team of researchers ensure accurate and reliable information for our clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

5 Patents

#2,448 in Tokyo

#6,485 in Japan

Tokyo, Japan

Video Research Ltd.

Forward Citations = 404

3 inventors:

Yoshikazu Itoh (5 out of 6 patents)

Fumio Watanabe (4 out of 50 patents)

Shunji Wake (2 out of 2 patents)

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