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HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

Overview
  • Total Patents
    1,918
  • GoodIP Patent Rank
    913
  • Filing trend
    ⇧ 13.0%
About

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD has a total of 1,918 patent applications. It increased the IP activity by 13.0%. Its first patent ever was published in 2003. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets electrical machinery and energy, engines, pumps and turbines and textiles and paper are HITACHI IND EQUIPMENT SYS, ZHUHAI GREE ENERGY SAVING REFRIGERATION TECH RES CT CO LTD and FUKASAKU HIROSHI.

Patent filings per year

Chart showing HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takano Masahiko 92
#2 Iwaji Yoshitaka 75
#3 Kanemoto Yoshiyuki 74
#4 Arao Yusuke 74
#5 Tobari Kazuaki 70
#6 Suzuki Toshifumi 69
#7 Takahashi Shuuichi 67
#8 Sato Takashi 66
#9 Sakai Toru 63
#10 Onuma Yusaku 62

Latest patents

Publication Filing date Title
JP2020200837A Screw compressor comprising liquid supply mechanism
JP2020197374A Exhaust heat recovery system
WO2021070548A1 Screw compressor
WO2021059875A1 Railroad vehicle switch and method for manufacturing same
WO2021065266A1 Fluid machine device
WO2021065220A1 Stator and rotary electric machine
WO2021065219A1 Power capacitor electrostatic capacitance measurement device and power capacitor electrostatic capacitance measurement method
WO2021039377A1 Electric power converting device
WO2021053968A1 Switch
WO2021053965A1 Heat recovery device
WO2021070441A1 Hoisting machine, hoisting machine system, suspended load mass estimation device, and suspended load mass estimation method
WO2021024645A1 Rotary electric machine
WO2020255995A1 Fluid machine and operating method for fluid machine system
WO2021014830A1 Elapsed time display system, electric machine, and elapsed time calculation method therefor
WO2021014803A1 Power regeneration converter and processing method thereof
WO2021024607A1 Liquid-cooled gas compressor
WO2021014757A1 Cable guide apparatus, electric winch device, and crane system
WO2021005890A1 Inkjet recording device and method for controlling inkjet recording device
WO2021002098A1 Air compressor
WO2021005868A1 Isolator and method for sterilizing same