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: 1194 下降2019: 20th  1624)

  2020 Acquisition Ranking      14th  registrations: 1182 下降2019: 12th  1384)

(update:Jan 11, 2022)

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Publication numberTitle of the InventionPublic. dateRemarks
2019-59407 OAM multiplex communication system and OAM multiplex communication method Nov 5, 2020
2019-59408 OAM multiplex communication system and OAM multiplex communication method Nov 5, 2020
2019-59409 Wireless communication device and wireless communication method Nov 5, 2020
2019-65263 Pronunciation error detection device, pronunciation error detection method, program Nov 5, 2020
2019-73858 Replacement device, replacement method, and program Nov 5, 2020
2019-74044 Concealed sorting system and method Nov 5, 2020
A 2020-180830 Internal temperature measuring device and method Nov 5, 2020
A 2020-180998 Fundamental frequency model parameter estimation device, fundamental frequency model parameter estimation method, program Nov 5, 2020
A 2020-181017 Control method of optical deflector and optical deflector Nov 5, 2020
A 2020-181018 Control method of optical deflector and optical deflector Nov 5, 2020
A 2020-181045 Optical module Nov 5, 2020
A 2020-181076 Optical circuit for alignment and optical alignment method Nov 5, 2020
A 2020-181106 Multi-core optical fiber and design method Nov 5, 2020
A 2020-181318 Optimizer, optimization method, and program Nov 5, 2020
A 2020-181909 Flexible devices and manufacturing methods for flexible devices Nov 5, 2020

76-90 (total:1211)

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2019-59407 2019-59408 2019-59409 2019-65263 2019-73858 2019-74044 2020-180830 2020-180998 2020-181017 2020-181018 2020-181045 2020-181076 2020-181106 2020-181318 2020-181909

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Patent Ranking in Japan

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〒451-6009 愛知県名古屋市西区牛島町6番1号 名古屋ルーセントタワー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 

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東京都港区新橋6-20-4 新橋パインビル5階 特許・実用新案 意匠 商標 外国特許 訴訟 鑑定 コンサルティング