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NIPPON TANSAN GAS CO LTD

Overview
  • Total Patents
    147
  • GoodIP Patent Rank
    225,834
About

NIPPON TANSAN GAS CO LTD has a total of 147 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets mechanical elements, packaging and shipping and machines are MESSER GASPACK GMBH, DEBOR HERMANN and COLUMBIANA BOILER COMPANY LLC.

Patent filings per year

Chart showing NIPPON TANSAN GAS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takahashi Hitoshi 42
#2 Fumino Ichiro 37
#3 Yoshihara Tetsuo 24
#4 Ozaki Hirotsugu 22
#5 Takahashi Masashi 13
#6 Yoshiwara Tetsuo 11
#7 Sato Masao 10
#8 Kumakiri Noboru 9
#9 Muramatsu Yuji 8
#10 Ozaki Yohoji 7

Latest patents

Publication Filing date Title
JP2017002999A Cylinder encapsulation plug and cylinder encapsulation method using the same
JP2016084883A Cylinder encapsulation plug and cylinder encapsulating method using the encapsulation plug
JP2015080451A Pest inducing device using gas
JP2013167299A Unsealing body of high pressure gas container
JP2013167300A Attaching/detaching mechanism of body case and adapter
JP2013099729A Gas jetting device
JP2011147527A Fire extinguisher
WO2009157437A1 Device for ejecting mixed gas to which liquid is added
JP2010038350A High-pressure gas container
JP2010005563A Ejector for ejecting mixed gas wherein liquid is added
JP2010005562A Ejector for ejecting mixed gas wherein liquid is added
JP2008298127A Gas switch valve
JP2008298128A High-pressure gas safety device
JP2008261406A Gas filling method
JP2006206114A Inner bag for quantitative determination of pressurizing type beverage bottle
JP2006170407A Caulked seal plate packing for small high pressure gas cylinder and seal structure using the same
JP2006044701A Sealing structure of container
JP2005331036A Sealing method and sealing structure of vessel for storing combustion susceptible or combustible high pressure gas
JP2005319858A Life buoy
JP2005247382A Cap