Patent Ranking in Japan - Applicant details - Japanese version

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Hitachi Building System Co., Ltd.

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  2018 Application Ranking      249th  publications: 167 下降2017: 222th  233)

  2018 Acquisition Ranking      399th  registrations: 66 下降2017: 376th  72)

(update:Oct 21, 2021)

2011  2012  2013  2014  2015  2016  2017  2019  2020  2021 

Publication numberTitle of the InventionPublic. dateRemarks
B 6444295 Elevator maintenance terminal and elevator maintenance system Dec 26, 2018
B 6444556 Absorption chiller/heater, additional liquid for absorption chiller/heater, absorption liquid for absorption chiller/heater, and maintenance method Dec 26, 2018
B 6434858 Elevator guide rail reinforcement device Dec 5, 2018
B 6435232 Passenger conveyor steps and passenger conveyor Dec 5, 2018
B 6425630 Elevator car call system and portable information terminal Nov 21, 2018
B 6419638 Double car elevator Nov 7, 2018
B 6410684 Flood operation control method for elevator and flood operation control system for elevator Oct 24, 2018
B 6407122 Passenger conveyor handrail drive device and passenger conveyor including the same Oct 17, 2018
B 6407789 Passenger conveyor installation scaffolding equipment Oct 17, 2018
B 6403633 Video monitoring system and video distribution server Oct 10, 2018
B 6397302 Device diagnostic device, device diagnostic method, and device diagnostic program Sep 26, 2018
B 6391540 Elevator inspection support system Sep 19, 2018
B 6393251 Passenger conveyor and passenger conveyor renewal method Sep 19, 2018
B 6382155 Electromagnetic brake device for elevator and elevator device Aug 29, 2018
B 6383672 Gate roller cleaning device for passenger conveyor Aug 29, 2018

1-15 (total:74)

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6444295 6444556 6434858 6435232 6425630 6419638 6410684 6407122 6407789 6403633 6397302 6391540 6393251 6382155 6383672

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Patent Ranking in Japan

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あいわ特許業務法人(特許事務所)

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