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Nippon Telegraph and Telephone Corporation

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  2011 Application Ranking      20th  publications: 1890 上昇2010: 24th  1708)

  2011 Acquisition Ranking      22th  registrations: 1516 下降2010: 20th  1293)

(update:May 27, 2022)

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公報番号発明の名称公報発行日備考
特許 4842983 Semiconductor optical integrated device and manufacturing method thereof Dec 21, 2011
特許 4842150 Switch device Dec 21, 2011
特許 4842246 Information retrieval device and program Dec 21, 2011
特許 4839230 Optical connector connection method Dec 21, 2011
特許 4843563 Information recording medium security method, information processing apparatus, and program Dec 21, 2011
特許 4842915 Optical channel monitor and wavelength selective optical switch Dec 21, 2011
特許 4839375 Image processing method and apparatus, image processing program, and recording medium recording the program Dec 21, 2011
特許 4843697 Sphygmomanometer Dec 21, 2011
特許 4841942 Card with status notification function and card information management system Dec 21, 2011
特許 4842863 Screening equipment Dec 21, 2011
特許 4843659 Optical transmission network system, optical transmission device, and pass band allocation method using the same Dec 21, 2011
特許 4843650 Optical transmission device Dec 21, 2011
特許 4842333 Wireless device and plane of polarization control method Dec 21, 2011
特許 4843587 Information recording medium security method, information processing apparatus, program, and recording medium Dec 21, 2011
特許 4843646 Speech recognition apparatus and method, program and recording medium Dec 21, 2011

31-45 (total:1516)

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4842983 4842150 4842246 4839230 4843563 4842915 4839375 4843697 4841942 4842863 4843659 4843650 4842333 4843587 4843646

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