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MARUWA GIKEN KK

Overview
  • Total Patents
    16
About

MARUWA GIKEN KK has a total of 16 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are KUNMING ENGINEERING & RES INST NONFERROUS METALLURG CO LTD, Yangzhou tianhe pharmaceutical co ltd and DIGITAL ELECTRON CORP.

Patent filings in countries

World map showing MARUWA GIKEN KKs patent filings in countries
# Country Total Patents
#1 Japan 16

Patent filings per year

Chart showing MARUWA GIKEN KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Kaya Fumitaka 14
#2 Asanaga Takashi 2
#3 Ageo Shiro 1
#4 Sugimoto Katsuhiro 1
#5 Boshi Mamoru 1
#6 Ichihara Osami 1
#7 Inazu Toshiharu 1
#8 Ogata Tsutomu 1
#9 Imaoka Wataru 1
#10 Tanaka Masatoshi 1

Latest patents

Publication Filing date Title
JP2011184855A Lock bolt device of apparatus for reinforcing natural ground
JP2011149065A Bit for opening discharge hole in hole-opening device in blast furnace or the like
JP2010112120A Excavating bit
JP2009097145A Bit for opening of slag outlet of waste melting furnace
JP2009097729A Bit for opening of slag discharge port of waste melting furnace
JP2008121080A Apparatus for opening molten pig iron tapping hole
JP2008019466A Molten iron tapping hole opening apparatus
JP2007070912A Ground boring machine having charged-type check valve body built therein
JP2006307258A Tapping hole opening bite
JP2004360745A Easy release type tightening screw
JP2003166390A Boring bit
JP2003166392A Boring bit
JP2002295166A Boring bit
JP2002188397A Method for repairing outbreak part, and fixing metal fitting used therein
JPH08312280A Rock bit
JPH07293173A Rock bit