Patent Ranking in Japan - Applicant details - Japanese version

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Nippon Telegraph and Telephone Corporation

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  2013 Application Ranking      17th  publications: 1968 上昇2012: 21th  1735)

  2013 Acquisition Ranking      18th  registrations: 1707 上昇2012: 21th  1572)

(update:Dec 1, 2021)

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公報番号発明の名称公報発行日備考
特許 5374450 Additional service conflict control system, additional service conflict control method, and additional service conflict control program Dec 25, 2013
特許 5374460 Communication switching method and communication switching device Dec 25, 2013
特許 5374469 Call forwarding method and call forwarding system Dec 25, 2013
特許 5374472 Transfer system and session control server Dec 25, 2013
特許 5374688 Virtual network controller Dec 25, 2013 共同出願
特許 5376616 Network setting device, network operating system, and network setting method Dec 25, 2013
特許 5377443 Presence information distribution device and method Dec 25, 2013
特許 5378268 Wireless base station, wireless communication system, and traffic level determination method for wireless base station Dec 25, 2013
特許 5378269 Wireless communication method, wireless base station, wireless access system Dec 25, 2013
特許 5378279 Optical receiver Dec 25, 2013
特許 5378899 Optical communication system and optical communication method Dec 25, 2013
特許 5379078 User experience quality monitoring device, method and information communication system Dec 25, 2013
特許 5379081 Wireless communication device and WAN side line switching method Dec 25, 2013
特許 5379576 Video communication system Dec 25, 2013
特許 5379676 Simulation equipment and simulation method Dec 25, 2013

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5374450 5374460 5374469 5374472 5374688 5376616 5377443 5378268 5378269 5378279 5378899 5379078 5379081 5379576 5379676

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Patent Ranking in Japan

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特許業務法人 牛木国際特許事務所

〒105-0001 東京都港区虎ノ門1丁目14番1号 郵政福祉琴平ビル 3階 特許・実用新案 意匠 商標 外国特許 外国意匠 外国商標 訴訟 鑑定 コンサルティング 

特許業務法人 湘洋内外特許事務所

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