M Data Co.,Ltd.

What is TV Meta Data?

M Data Co.,Ltd. monitors TV program and TV commercial in Japan 24/7. Very detailed information of broadcast contents such as: "when" "where" "who" "what" "how" "how many seconds" on-aired are recorded with text data, and [TV Metadata database] is developed daily second by second. Over 100 professional operators at Data Center are recording down content of broadcast with originally developed TV data gathering system.


TV Meta Data is text data contains summary of TV program and commercial with time stamp. M Data records them right after broadcast. M Data captures TV metadata by verifying on-aired contents with human eyes and ears.
Metadata contains : Summary of broadcast contents, performer’s name, brand’s name, company’s name, place name and duration of exposure.


Company Name

M Data Co.,Ltd.

9F, Toranomon1-chome MG Bldg, 1-16-16 Toranomon, Minato-ku, Tokyo, Japan

Data Center 3-5-15 Minamimachi, Mito City, Ibaraki Prefecture, Japan
Established 23rd January 2006
CEO Toshiya Sekine
Paid-up Capital JPY 261, 590, 000 ※As of Jan.2019
Board of Directors Hidehiko Koguchi,
Yasumitsu Watanabe,
Tsukasa Usuiand others.
Auditor : Kazuhiro Tatsuki
Shareholder Project Inc. (Broadcast monitoring and clipping)
HakuhodoDY media partners
I-O Data Device Inc.
Be Map Inc.
Key 5 key TV stations (NTV/EX/TBS/TX/CX ) and others
Association NPO Japan Meta Data Conference
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