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SEKISUI KOJI KK

Overview
  • Total Patents
    144
About

SEKISUI KOJI KK has a total of 144 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Japan, United Kingdom and United States. Its main competitors in its focus markets civil engineering, agriculture and environmental technology are HOLE IN ONE CO LTD, HEESCHER FELIX and ARDOREL ETS.

Patent filings in countries

World map showing SEKISUI KOJI KKs patent filings in countries

Patent filings per year

Chart showing SEKISUI KOJI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koga Keisaku 46
#2 Ihira Hiroshi 40
#3 Nakagawa Kazuo 14
#4 Mori Akira 11
#5 Shibazaki Shinichi 8
#6 Noguchi Kazuhiko 7
#7 Nanba Masahiro 6
#8 Miyamoto Yoshiyuki 5
#9 Otsuka Naoki 5
#10 Matsui Tadao 5

Latest patents

Publication Filing date Title
JPH03289485A Assembling method for water tank
JPH0375428A Ice-cold-heat storage apparatus
JPH02205592A Reservoir fitted with submergible pump
JPH0263569A Automatic water distribution control valve system
JPH01240490A Easily builtup tank with leak-preventing structure
JPS63310658A Automatic water sprinkling control system
JPS6233935A Manufacture of box-like container
JPS61286460A Access door of basement
JPS61165465A Construction of basement
JPS6164437A Unit plate made of fiber reinforced resin
JPS6135918A Manufacture of unit plate for assembling vessel
JPS6129501A Manufacture of unit body for constituting cellar
JPS6128474A Automatic irrigation apparatus
JPS60188691A Method of repairing underground buried pipe
JPS60164087A Method of repairing underground buried pipe
JPS60155080A Method of repairing underground buried pipe
JPS6055128A Construction of basement
JPS59209124A Preparation of unit body for assembling heat insulating container
JPS59154228A Construction of basement
JPS59134233A Manufacture of unit component of basement