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HITACHI AIR CONDITIONING & REF

Overview
  • Total Patents
    163
About

HITACHI AIR CONDITIONING & REF has a total of 163 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan and China. Its main competitors in its focus markets environmental technology, thermal processes and biotechnology are DALIAN BAOGUANG ENERGY SAVING AIR CONDITIONING EQU, YE LIYING and SHENZHEN AOTO UNION ENERGY SAVING TECH CO LTD.

Patent filings in countries

World map showing HITACHI AIR CONDITIONING & REFs patent filings in countries
# Country Total Patents
#1 Japan 162
#2 China 1

Patent filings per year

Chart showing HITACHI AIR CONDITIONING & REFs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hosoe Yoshihisa 43
#2 Fujita Hidekatsu 24
#3 Nakanishi Toshifumi 23
#4 Kuramoto Shinji 17
#5 Fukuoka Mutsuo 15
#6 Fukuto Masaaki 13
#7 Ishiyama Masaaki 12
#8 Taniyama Norihisa 10
#9 Nishida Isamu 8
#10 Yokomizo Tsuyoshi 8

Latest patents

Publication Filing date Title
JP2000104967A Clean booth with temperature controller
JPH11332550A Safety cabinet
JPH11304200A Ice heat-storage system
JPH11304203A Humidifier of air conditioner
JPH11294802A Heat accumulator
JPH11287568A Water drip dispersion preventing structure for dc/ac type cooling tower
JPH11248239A Floor placement type air circulation device in air conditioning system
JPH11248250A Warm-water boiler
JPH11230609A Air conditioner for local cooling
JPH11230573A Air conditioner
JPH11193955A Air conditioner
JPH11132547A Filter attaching structure for air conditioner
JPH11132570A Pipe supporting structure for hot water tank
JPH11132691A Water drop scattering preventer for cross flow cooling tower
JPH11132494A Drain water draining apparatus for air conditioner
JPH11108400A Operation method for ice heat storage unit
JPH11107994A Cooling device of motor shaft
JPH11108389A Evaporator for drain water in integrated air conditioner
JPH1183104A Low-temperature clean booth
JPH1163549A Unit type air conditioner