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HITACHI JOHNSON CONTROLS AIR CONDITIONING INC

Overview
  • Total Patents
    913
  • GoodIP Patent Rank
    1,759
  • Filing trend
    ⇩ 10.0%
About

HITACHI JOHNSON CONTROLS AIR CONDITIONING INC has a total of 913 patent applications. It decreased the IP activity by 10.0%. Its first patent ever was published in 2005. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets thermal processes, engines, pumps and turbines and environmental technology are MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD, JOHNSON CONTROLS HITACHI AIR CONDITIONING TECH (HONGKONG) LTD and HITACHI-JOHNSON CONTROLS AIR CONDITIONING INC.

Patent filings per year

Chart showing HITACHI JOHNSON CONTROLS AIR CONDITIONING INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Naito Koji 85
#2 Tanaka Yukinori 67
#3 Yoshida Kazumasa 54
#4 Awano Masakazu 52
#5 Kato Tomohiro 50
#6 Ueda Yoshiro 50
#7 Notoya Yoshiaki 40
#8 Tamura Kenji 39
#9 Yokozeki Atsuhiko 38
#10 Mori Hayato 35

Latest patents

Publication Filing date Title
JP2021006000A Motor controller and air conditioner
CN112240654A Heat exchanger, air conditioner, indoor unit, and outdoor unit
JP2020171194A Power conversion device and air conditioner
US2021041123A1 Refrigeration cycle system
JP2020127363A Dc power source device and air conditioner
WO2021002087A1 Air conditioner
JP2020096527A Dc power supply unit and air conditioner
JP2020073855A Harmonic prevention device and air conditioner using the same
US2020333090A1 Distributor, heat exchanger, indoor unit, outdoor unit, and air-conditioning device
JP2020176822A Distributor, heat exchanger, indoor machine, outdoor machine and air conditioner
WO2021079477A1 Compressor and refrigeration cycle device
WO2021079439A1 Air conditioner, and control method for air conditioner and program
WO2021079401A1 Rotary compressor
WO2021076143A1 Stability in co-rotating scroll compressors
WO2021075020A1 Indoor unit, air conditioning device, and air conditioning system
WO2021075032A1 Air conditioner, program, and method
WO2021074984A1 System, information processing device, air conditioner, method, and program
JP2020025459A Dc power supply unit and air conditioner mounting the same
CN112240625A Air conditioning system and abnormality detection system
WO2021053748A1 Outdoor unit, air conditioning system, and program