Patent Ranking in Japan - Applicant details - Japanese version

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Nippon Telegraph and Telephone Corporation

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  2020 Application Ranking      23th  publications: 1148 下降2019: 20th  1624)

  2020 Acquisition Ranking      14th  registrations: 1142 下降2019: 12th  1384)

(update:Dec 2, 2020)

2011  2012  2013  2014  2015  2016  2017  2018  2019 

Publication numberTitle of the InventionPublic. dateRemarks
2019-107041 Pitch enhancer, its method, and program Nov 26, 2020
2019-107170 Urgency estimation device, urgency estimation method, program Nov 26, 2020
2019-142884 Block verification device, block verification method, and program Nov 26, 2020
A 2020-189122 Training equipment, its methods, and programs Nov 26, 2020
A 2020-190585 Automatic dialogue device, automatic dialogue method, and program Nov 26, 2020
A 2020-190611 Optical module Nov 26, 2020
A 2020-191006 Learning devices, learning methods, and learning programs Nov 26, 2020
A 2020-191394 Thin film forming method Nov 26, 2020
A 2020-191548 Optical transmission characteristic compensation method and optical transmission characteristic compensation system Nov 26, 2020
A 2020-191571 Master station side optical line termination device, slave station side optical line termination device and optical communication system Nov 26, 2020

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2019-107041 2019-107170 2019-142884 2020-189122 2020-190585 2020-190611 2020-191006 2020-191394 2020-191548 2020-191571

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Patent Ranking in Japan

2019 Application Ranking2019 Acquisition Ranking
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あいわ特許業務法人(特許事務所)

〒104-0045 東京都中央区築地1-12-22 コンワビル4F 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 

田中特許事務所

静岡県静岡市葵区紺屋町11−1ガーデンスクエアビル9F 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 

名嶋・山本・綿貫特許事務所

〒450-0002 愛知県名古屋市中村区名駅4丁目2-25 名古屋ビル東館9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