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Nippon Telegraph and Telephone Corporation

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  2012 Application Ranking      21th  publications: 1735 下降2011: 20th  1890)

  2012 Acquisition Ranking      21th  registrations: 1572 上昇2011: 22th  1516)

(update:Aug 5, 2021)

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公報番号発明の名称公報発行日備考
特許 5105327 Overlay node, overlay network including the overlay node, overlay routing method, and program therefor Dec 26, 2012 共同出願
特許 5106316 Wireless communication methods, wireless communication systems, and base stations Dec 26, 2012
特許 5106408 Video encoding method and decoding method, devices thereof, programs thereof, and storage medium recording the programs Dec 26, 2012
特許 5107302 Multicast distribution system and its traffic volume totalizer, traffic volume calculation method, and router device Dec 26, 2012
特許 5107823 Authentication message exchange system and authentication message exchange method Dec 26, 2012
特許 5107863 Optical Orthogonal Frequency Division Multiplexing Transmission Circuit Dec 26, 2012
特許 5107875 Audio equipment and acoustic systems Dec 26, 2012
特許 5107879 Frame rate conversion method, frame rate conversion device, frame rate conversion program, and computer-readable recording medium recording the program Dec 26, 2012
特許 5107971 User experience quality estimation system and method Dec 26, 2012
特許 5108683 Communication slot allocation method for communication systems, communication systems, base stations and terminals Dec 26, 2012
特許 5108728 Communication system and communication method Dec 26, 2012
特許 5108793 Electric field communication system Dec 26, 2012 共同出願
特許 5108804 Content presentation method, content presentation device, content presentation program, and recording medium Dec 26, 2012
特許 5108830 Fallback control method, fallback control system, call control device and call control program Dec 26, 2012
特許 5108833 Network systems, nodes, packet forwarding methods and their programs Dec 26, 2012

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5105327 5106316 5106408 5107302 5107823 5107863 5107875 5107879 5107971 5108683 5108728 5108793 5108804 5108830 5108833

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Patent Ranking in Japan

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【大阪本社】 〒534-0024 大阪府大阪市都島区東野田町1-20-5  大阪京橋ビル4階 【東京支部】   〒150-0013 東京都港区浜松町2丁目2番15号 浜松町ダイヤビル2F 【サンフランシスコ支部】   1680 Post St. Ste D2 San Francisco CA 94115-3624 UNITED STATES 特許・実用新案 意匠 商標 外国特許 外国商標 訴訟