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KEI KK

Overview
  • Total Patents
    11
About

KEI KK has a total of 11 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan and United States. Its main competitors in its focus markets machines are HOMER LAUGHLIN CHINA COMPANY, HANS STRASSER and ROCLA LTD.

Patent filings in countries

World map showing KEI KKs patent filings in countries
# Country Total Patents
#1 Japan 10
#2 United States 1

Patent filings per year

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

Focus industries

# Industry
#1 Machines

Top inventors

# Name Total Patents
#1 Sekiguchi Yoji 10
#2 Hoshino Yoshinobu 1
#3 Akutsu Hideo 1
#4 Kamiya Noriyuki 1

Latest patents

Publication Filing date Title
JP2004353369A Block for retaining wall, and retaining wall
JP2004316326A Block for retaining wall and masonry construction method
JP2004076296A Block for retaining walls
JP2004076295A Block for retaining wall and retaining wall construction method
JP2004044159A Roof structure and ledge holder
JP2003127128A Material stirring device for concrete block molding machine
JP2001207468A Block for environmental retaining wall
US6321610B1 Vibration apparatus for a variable amplitude type vibration table
JP2001030233A Apparatus and method for chopping concrete block
JP2000190315A Method for molding sandwichlike laminated decorative block and form therefor
JPH11188710A Method for molding concrete block with surface layer and its form