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KEIHAN CONCRETE KOGYO KK

Overview
  • Total Patents
    80
About

KEIHAN CONCRETE KOGYO KK has a total of 80 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy, environmental technology and civil engineering are SHANDONG COKING GROUP CO LTD, CERATECH INC and TAIHEIYO MATERIALS CORP.

Patent filings in countries

World map showing KEIHAN CONCRETE KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 80

Patent filings per year

Chart showing KEIHAN CONCRETE KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hata Minoru 46
#2 Fukuzumi Ryuji 10
#3 Wagi Haruhiko 8
#4 Nishibori Tadanobu 7
#5 Yorita Eiichi 6
#6 Hisamatsu Kunio 6
#7 Hasegawa Mitsuhiro 5
#8 Tanokuchi Kouichi 4
#9 Minami Masatoshi 4
#10 Kinugawa Naoki 3

Latest patents

Publication Filing date Title
JPH0853823A Stepped cladding block
JPH0811127A Manufacture of concrete
JPH07317029A Structure of wall in wall structure and construction method thereof
JPH07180167A Retaining wall and block for retaining wall
JPH07138909A Mechanical casting method and device for concrete structure
JPH07101760A Production of concrete product using fused slag aggregate and concrete product obtained by the production method
JPH0790827A Facing block and its construction
JPH0748927A Jig for vibrator for reinforcing bar
JPH06341121A Structure of guard fence and execution method of said guard fence
JPH06313304A Structure of high balustrade in concrete structure having high balustrade and construction method for balustrade part
JPH06167112A Production of secondary concrete product by use of highly fluid inseparable concrete
JPH06136724A Construction of concrete pre-casted guard fence block, construction of guard fence using the block and its construction method
JPH06264410A Prefabrication method of bridge pier and bridge pier concrete block
JPH06264413A Prefabrication method of bridge pier and bridge pier concrete block
JPH06264412A Prefabrication method of bridge pier and bridge pier concrete block
JPH06264411A Prefabrication method of bridge pier and bridge pier concrete block, reinforcing bar cage and inner form
JPH06264414A Prefabrication method of bridge pier and bridge pier concrete block
JPH06279084A Concrete product containing aggregate prepared by crushing fused slag and its production
JPH06173502A Structure of monument with decoration concrete slab
JPH06128909A Precast reinforced bridge pier block construction and bridge pier using it