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HACHIYO ENGINEERING CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    193,859
About

HACHIYO ENGINEERING CO LTD has a total of 19 patent applications. Its first patent ever was published in 1999. It filed its patents most often in WIPO (World Intellectual Property Organization), China and EPO (European Patent Office). Its main competitors in its focus markets thermal processes, environmental technology and audio-visual technology are TROX UK LTD, QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD and CLIMAVENETA CHATUNION REFRIGERATION EQUIPMENT SHANGHAI CO LTD.

Patent filings per year

Chart showing HACHIYO ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kaneo Hidetoshi 15
#2 Hidetoshi Kaneo 3
#3 Shiraiwa Hiroyuki 3
#4 Kanao Hidetoshi 1

Latest patents

Publication Filing date Title
CN105026845A Cooling mechanism for data center
CN101939598A Geothermal apparatus
WO2009054234A1 Dehumidifier system
CN101663545A Absorption-type freezing unit
US6619066B1 Heat pump system of combination of ammonia cycle carbon dioxide cycle