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NIPPON DOOR CHECK MFG CORP

Overview
  • Total Patents
    69
About

NIPPON DOOR CHECK MFG CORP has a total of 69 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are FIN MEN S P A, OHTORI KIKO CO LTD and CHOI BYUNG NO.

Patent filings in countries

World map showing NIPPON DOOR CHECK MFG CORPs patent filings in countries
# Country Total Patents
#1 Japan 69

Patent filings per year

Chart showing NIPPON DOOR CHECK MFG CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Demukai Yasushi 48
#2 Demukai Enzo 21
#3 Ishii Koichi 2
#4 Wada Hiroshi 2

Latest patents

Publication Filing date Title
JP2008031843A Vertical axis type door closer
JP2009052362A Device for closing door
JP2009041235A Door closer, and bracket and stationary plate used for door closer
JP2008308905A Door holding device for folding door
JP2007291754A Pivot hinge and cap installed on pivot hinge
JP2007284983A Door closer stopping mechanism
JP2007247252A Detaching device for door coping with emergency, and vestibule door using the same
JP2007138658A Pivot hinge and mounting structure of fancy cover of pivot hinge
JP2007138397A Door closer
JP2007120206A Stop mechanism of door closer
JP2006328689A Pivot hinge, and structure of mounting decorative cover on pivot hinge
JP2006283305A Floor hinge
JP2006283306A Floor hinge
JP2006225902A Door closer
JP2006152702A Door closer
JP2006144433A Door closer attaching structure
JP2006052551A Door turning supporting device
JP2006009276A Floor hinge
JP2005248635A Door rotation supporting device
JP2005126971A Vertical shaft type door closer