Patent Ranking in Japan - Applicant details - Japanese version

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Hitachi Building System Co., Ltd.

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  2017 Application Ranking      222th  publications: 233 下降2016: 178th  249)

  2017 Acquisition Ranking      376th  registrations: 72 上昇2016: 419th  69)

(update:Dec 2, 2021)

2011  2012  2013  2014  2015  2016  2018  2019  2020  2021 

Publication numberTitle of the InventionPublic. dateRemarks
B 6153906 Refrigerant recovery device for turbo chillers Jun 28, 2017
B 6153909 Main rope tension measuring device and main rope tension adjustment method Jun 28, 2017
B 6154730 Elevator monitoring system Jun 28, 2017
B 6154792 Elevator communication status diagnostic device and communication status diagnostic method Jun 28, 2017
B 6148640 Detachment support jig for driven roller pressing device Jun 14, 2017
B 6134641 Elevator with image recognition function May 24, 2017
B 6130798 Meter reading data management device May 17, 2017
B 6126554 Wear measuring device for drive chain of moving handrail May 10, 2017
B 6126561 Elevator remote monitoring system May 10, 2017
B 6127022 Operation check method and operation check device for fall prevention valve of hydraulic elevator May 10, 2017
B 6122787 Elevator wide area disaster recovery support system Apr 26, 2017
B 6117130 Entry / exit management device Apr 19, 2017
B 6117622 Elevator braking device diagnostic device Apr 19, 2017
B 6117633 Elevator brake mechanism inspection device Apr 19, 2017
B 6117749 Belt tension measuring device Apr 19, 2017

46-60 (total:80)

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6153906 6153909 6154730 6154792 6148640 6134641 6130798 6126554 6126561 6127022 6122787 6117130 6117622 6117633 6117749

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Patent Ranking in Japan

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