Patent Ranking in Japan - Applicant details - Japanese version

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Nippon Telegraph and Telephone Corporation

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　■　2019 Application Ranking      20th 　publications: 1624 （変わらず2018: 20th  1487）

　■　2019 Acquisition Ranking      12th 　registrations: 1384 （上昇2018: 13th  1309）

（update：Jul 26, 2021）

2011  2012  2013  2014  2015  2016  2017  2018  2020  2021 

Publication numberTitle of the InventionPublic. dateRemarks
B 6623376 Sound source enhancement device, method thereof, and program Dec 25, 2019
B 6623380 Search device, search method, and search program Dec 25, 2019
B 6624513 Three-dimensional image display device and three-dimensional image display method Dec 25, 2019
B 6624515 Method and device for detecting volatile organic compounds Dec 25, 2019
B 6625087 Illegal content search device and illegal content search method Dec 25, 2019
B 6625507 Associating device, associating method, and program Dec 25, 2019
B 6625516 Air conditioning control device and air conditioning control method Dec 25, 2019
B 6625758 Wireless communication system and wireless communication method Dec 25, 2019
B 6625946 Optical transmission system, optical node device, and optical transmission method Dec 25, 2019
B 6625961 Pronunciation dictionary and acoustic model generation device, voice recognition device, method and program Dec 25, 2019
B 6625965 Terminal device and band allocation method Dec 25, 2019
B 6626016 Collation device, collation method, and collation program Dec 25, 2019
B 6626039 Blacklist setting device, blacklist setting method, and blacklist setting program Dec 25, 2019
B 6626052 Acoustic model generation method, speech synthesis method, acoustic model generation device, speech synthesis device, program Dec 25, 2019
B 6626206 Optical transmitter, optical receiver, optical data transmission system, optical transmitting method and optical receiving method Dec 25, 2019

1-15 (total:1411)

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6623376 6623380 6624513 6624515 6625087 6625507 6625516 6625758 6625946 6625961 6625965 6626016 6626039 6626052 6626206

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Patent Ranking in Japan

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ボングゥー特許商標事務所

〒120-0034 東京都足立区千住1-19-8　仁生堂Ｂ　2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 

ウェストルム特許商標事務所

〒460-0008 愛知県名古屋市中区栄一丁目２３番２９号 伏見ポイントビル３Ｆ 特許・実用新案 意匠 商標 外国特許 外国商標 鑑定 コンサルティング 

北大阪特許事務所

〒564-0051 大阪府吹田市豊津町1番18号　エクラート江坂ビル４Ｆ 特許・実用新案 意匠 商標 外国特許 鑑定 コンサルティング 

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