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JOHOKU SEIKOSHO KK

Overview
  • Total Patents
    18
About

JOHOKU SEIKOSHO KK has a total of 18 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan, Republic of Korea and United States. Its main competitors in its focus markets machines are JETFORM HEISSKANALNORMALIEN, SANPO JIYUSHI KOGYO KK and KITAI SEISAKUSHO KK.

Patent filings in countries

World map showing JOHOKU SEIKOSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 16
#2 Republic of Korea 1
#3 United States 1

Patent filings per year

Chart showing JOHOKU SEIKOSHO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines

Focus technologies

# Technology
#1 Shaping of plastics

Top inventors

# Name Total Patents
#1 Maejima Mokichi 15
#2 Maejima Yasuhiro 9
#3 Maejima Mikichi 1

Latest patents

Publication Filing date Title
JP2008229560A Coating die
JP2007145013A Inner deckle apparatus for t die and t die using it
JP2005288738A T-die and outer inner dekker rod for t-die
JP2003181905A Measurement method for thickness of laminated film and measurement device for the same
JP2000176990A Method for regulating lip clearance of t-die
JP2000158516A Lip clearance regulator for t-die
JP2000158515A T-die
JPH10225972A T-die
JPH0852783A T-die
JPH07195487A Resin film molder
JPH0747587A T-die
JPH01316243A Resin removing device
JPS63246222A T-die
US4659302A Deckle structure for a film extrusion die
JPS6253812A T die
JPS61167523A T-die