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CRK KK

Overview
  • Total Patents
    12
About

CRK KK has a total of 12 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets mechanical elements are AVDAKUNIN OLEG M, SYNTHOTECH MARINE LTD and CHUBU BIKA KIGYO KK.

Patent filings in countries

World map showing CRK KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

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

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Pipes

Top inventors

# Name Total Patents
#1 Tsunoda Takuji 6
#2 Adakawa Akio 4
#3 Abe Yasushi 4
#4 Kawasaki Eishi 3
#5 Arai Shunichi 2
#6 Shimada Hideyuki 2
#7 Mizuno Katsuaki 2
#8 Saito Kiyotaka 2
#9 Tsuge Kenichi 2
#10 Wada Shuichi 2

Latest patents

Publication Filing date Title
JP2011156881A Wiper blade rubber composition, and wiper blade
JP2009007395A Rubber composition, molded article of the same and wiper blade by using the same
JP2005088559A Thermal expansive fire prevention structural matter
JP2005054163A Thermal expansible fireproof composition
JP2002356869A Flexible joint and pipe connecting method
JP2002089714A Foaming composite seal material
JP2002020716A Adhesive composition for joining body part of built-up manhole or adhering step to manhole
JP2001348487A Thermally expansible fireproofing composition
JP2001348476A Thermally expansive fire-resistant composition and method for manufacture thereof
JP2001304421A Butyl rubber composite sealing material
JP2001302827A Butyl rubber composite sealing material
JPH11217840A Manhole joint