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TOKYO CHIKA KOJI KK

Overview
  • Total Patents
    21
About

TOKYO CHIKA KOJI KK has a total of 21 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, France and Italy. Its main competitors in its focus markets civil engineering, measurement and agriculture are BOLT ASSOCIATES INC, NITTOKU KENSETSU KK and TOSHIMA KENSETSU KOGYO KK.

Patent filings in countries

World map showing TOKYO CHIKA KOJI KKs patent filings in countries
# Country Total Patents
#1 Japan 19
#2 France 1
#3 Italy 1

Patent filings per year

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

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sugimoto Hikari 17
#2 Sugimoto Hiroshi 6
#3 Takada Seiji 5
#4 Eda Michiaki 2
#5 Kojima Koichi 2
#6 Ozonoe Fumio 1
#7 Sugimoto Akira 1

Latest patents

Publication Filing date Title
JPH10306435A Grouting and hardening method and grouting equipment
JPH1037172A Water pass cylinder for preventing ground liquefaction and burying method thereof
JPH09256353A Ground liquefaction prevention method and water cylinder and burying method thereof
JPH09195260A Method of preventing ground liquefaction, water passing cylinder, and burying method thereof
JPH09158164A Ground fluidization preventive method and water passing cylinder and burying method thereof
JPH08311858A Ground improving method by formation of column having starfish-shaped section
JPH0860647A Soil improvement material impregnation tube and widing device thereof
JPH07317053A Injection method of foundation improvement material and injector used for injection method
JPH07113227A Coated ground impregnation material and method making use thereof
JPH04350216A Manufacture of cement supernatant liquid ground improving chemical and construction method using the same
JPH01174794A Front foundation improvement method and device for shield excavator
JPH01146099A Method for improving soil around tunnel and device for use therein
JPS63300108A Method and apparatus for improving ground by blowing of fine powdery granule
JPS62244914A Method and apparatus for improving ground
JPS62205853A Unmanned travelling civil service car and automatic travelling and stopping method thereof
JPS6192210A Method and device of improving ground
JPS6157714A Method and device for mixing ground improving chemical liquid
JPS6135386A Detecting method of piping state of buried pipe
IT7926931D0 Lance for soil stabilisation
JPS51106305A Chunyukoho oyobi sonosochi