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HITACHI DENSHI SERVICE KK

Overview
  • Total Patents
    781
About

HITACHI DENSHI SERVICE KK has a total of 781 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets computer technology, telecommunications and it methods for management are CHENGDU FENT ELECTRONIC TECH, KIM YOUNG SU and RACING OPTICS INC.

Patent filings in countries

World map showing HITACHI DENSHI SERVICE KKs patent filings in countries

Patent filings per year

Chart showing HITACHI DENSHI SERVICE KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamagishi Norikazu 303
#2 Takesada Mutsuharu 283
#3 Habara Takaaki 140
#4 Imai Mina 86
#5 Akinaga Tadahiko 68
#6 Onishi Kentaro 52
#7 Ochi Hisato 52
#8 Satani Isao 44
#9 Ogata Kazuyuki 32
#10 Hashimoto Takanari 30

Latest patents

Publication Filing date Title
JP2010266470A Rfid tag sensing system and emission tag for sensing
JP2011188657A Electric vehicle charging system and method for multistory parking lot
JP2011186875A System and method of managing electric vehicle charging equipment for common parking lot
JP2011186836A Significant information management system
JP2011186837A Significant information management system
JP2011182588A Electric vehicle charging system for parking lot and electric vehicle charging method for parking lot
JP2011175494A Maintenance work support system
JP2011159131A Operation automation support system
JP2011123623A Document creation support system
JP2011123622A Document classification system
JP2011113238A System and method for preventing inquiry from being neglected
JP2011103057A Lending management system
JP2011054136A Failure part specification system during computer system failure
JP2010282521A Fault monitoring device
JP2010272063A System and method for totalizing working hour
JP2010258855A Ivr system
JP2010257083A Installation method of service monitoring agent, update method, monitoring server, and monitoring system
JP2010244137A Failure information collection device
JP2010212852A Call center reception system
JP2010176485A Security policy management system and access control list distribution system provided with monitoring system