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HITACHI BUILDING EQUIPMENT ENG

Overview
  • Total Patents
    17
About

HITACHI BUILDING EQUIPMENT ENG has a total of 17 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, thermal processes and basic materials chemistry are POVOLZHSKIJ AVIAT N T TS, KI N PROIZV OB VESTA and HEAT ENERGY ADVANCED TECHNOLOG.

Patent filings in countries

World map showing HITACHI BUILDING EQUIPMENT ENGs patent filings in countries

Patent filings per year

Chart showing HITACHI BUILDING EQUIPMENT ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Machizawa Kenji 13
#2 Tachibana Keiji 13
#3 Fukushima Yukio 13
#4 Sekiguchi Kyoichi 9
#5 Higo Yuzuru 9
#6 Ito Masahiko 2
#7 Iwao Hidenori 2
#8 Sakai Tadao 2
#9 Kato Isao 2
#10 Hashimoto Junichi 1

Latest patents

Publication Filing date Title
JP2000257983A Method and facility for changing power source of heating and cooling air-conditioning facility for fuel gas
JP2000234812A Improving heating-cooling air-conditioning facility and method therefor
JP2000205692A Method and apparatus for controlling operation of lithium bromide absorption refrigerating machine
JP2000179974A Ammonia absorption refrigerating machine and method for configuring refrigerating system
JP2000105017A Reconstructing method of water-cooled chiller type cooler and cold water circulating type cooler
JP2000097512A Method for increasing heating capacity of absorption- water cooled/warmer and increasing load absorption water cooler/warmer
JP2000074526A Method for modifying air cooled ammonia absorption refrigerating machine and air cooled ammonia absorption refrigerating machine
JP2000055507A Air cooled ammonia absorption refrigerating machine and method for modifying air cooled ammonia absorption refrigerating machine
JP2000046404A Remodeling method of air conditioner signal conversion substrate for remodeling, and remodeled air conditioner
JP2000009338A Air conditioner with interface and method of improving the same
JPH11325541A Modification method for cooling/heating air conditioning equipment for flattening electric power load, and equipment for the modification
JPH11304307A Modification method of air conditioner and air conditioner
JPH11294875A Method of converting power source of air conditioner to fuel oil and air conditioner using fuel oil as power source
US5501082A Refrigeration purge and/or recovery apparatus