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HIRAKAWA GUIDOM CORP

Overview
  • Total Patents
    17
About

HIRAKAWA GUIDOM CORP has a total of 17 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets thermal processes, environmental technology and engines, pumps and turbines are STAV PRAHA VYROBNI STAVEBNI, ISIDOROVIC RATKO and YUNLIU LIU.

Patent filings in countries

World map showing HIRAKAWA GUIDOM CORPs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 United States 4
#3 Germany 3
#4 United Kingdom 1
#5 Republic of Korea 1

Patent filings per year

Chart showing HIRAKAWA GUIDOM CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kobayashi Hiroshi 17
#2 Ueda Yoshiharu 14
#3 Yamamoto Masamichi 13
#4 Tou Kageyoshi 7
#5 Ishitani Kiyomiki 7
#6 Furushima Kiyoshi 6
#7 Miura Sentaro 6
#8 Kaminashi Atsumi 4
#9 Tou Keiryo 4
#10 Ishigai Seikan 4

Latest patents

Publication Filing date Title
JPH06294505A Low nox burner
JPH06109153A Valve with relief valve and piping method using valve with relief valve
JPH06101803A Modular water tube boiler
JPH05141601A Modular boiler
JPH05209502A Gas turbine device equipped with tube nest combustion type combustor
JPH05172302A Exhaust gas re-combustion type boiler and waste heat recovery method using the boiler
JPH04356602A Boiler with water tube
JPH06201103A Boiler having water tube group