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DAIRITSU KK

Overview
  • Total Patents
    21
About

DAIRITSU KK has a total of 21 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets thermal processes and mechanical elements are JIANGSU RONGQUAN AIR CONDITIONMING ENGINEERING CO LTD, NANFANG VENTILATOR CO LTD and E3 GREEN TECH CO LTD.

Patent filings in countries

World map showing DAIRITSU KKs patent filings in countries
# Country Total Patents
#1 Japan 21

Patent filings per year

Chart showing DAIRITSU KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Ogawa Hiroshi 6
#2 Omotegawa Hachiro 5
#3 Ogawa Tsuzuki 2
#4 Hasegawa Michiyo 2
#5 Ogasawara Masahito 2
#6 Nakane Takashi 2
#7 Yashima Takehisa 2
#8 Tange Hironobu 2
#9 Uchiyama Toyoichi 1
#10 Yamanaka Kazuo 1

Latest patents

Publication Filing date Title
JP2011058647A Filter fixture
JP2009275993A Damper
JP2008142291A Ball levelling member and pachinko machine
JP2008142292A Pachinko machine
JP2008131984A Pachinko machine
JP2008104527A Pachinko game machine using non-electric accessory and the non-electric accessory
JP2007068551A Winning device of pachinko game machine
JP2006305238A Pachinko game machine
JP2006305239A Pachinko game machine
JP2006187524A Damper opening and closing device
JP2003166747A Damper device for dual duct and damper assembly
JP2002228250A Round shape damper for air conditioner
JP2001165497A Air conditioning damper
JP2001104503A Butterfly type fire damper
JP2001012792A Fire preventer in exhaust duct and overheat detector for exhaust duct
JPH11134036A Pressure releasing device
JPH10205865A Connecting adapter for duct
JPS58173330A Opening and closing device for damper
JPS5733744A Opening and closing device for damper
JPS5720185A Circuit for stopping motor-driven valve at given position