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OBAYASHI GUMI KK

Overview
  • Total Patents
    682
About

OBAYASHI GUMI KK has a total of 682 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan and United Kingdom. Its main competitors in its focus markets civil engineering, environmental technology and thermal processes are LASCO JAPAN CO LTD, SHINWA KIKAI KOGYO KK and GT SPIRAL CO LTD.

Patent filings in countries

World map showing OBAYASHI GUMI KKs patent filings in countries
# Country Total Patents
#1 Japan 681
#2 United Kingdom 1

Patent filings per year

Chart showing OBAYASHI GUMI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kida Daizou 46
#2 Tanabe Shirou 28
#3 Takeda Jiyuichi 25
#4 Saitou Jirou 23
#5 Haniyuuda Kichiya 19
#6 Saitou Yuuji 18
#7 Tanaka Tatsuaki 17
#8 Kawachi Takeshi 17
#9 Maeda Masatake 16
#10 Nakamura Yasushi 15

Latest patents

Publication Filing date Title
JPS60215959A Precast reinforced concrete pillar member divided in longitudinal direction
JPS60156820A Construction of continuous cut-off wall
JPS6121242A Lightweight large roof structure and its construction
JPS6117696A Construction of underground head
JPS6117649A Connection of iron skeletal material
JPS6117627A Grout injection for cut-off wall construction work
JPS6110684A Dome shaped roof structure
JPS618535A Method of air-conditioning utilizing underground duct
JPS6110700A Apparatus for connecting mud supply and discharge pipe for muddy water shield
JPS618536A Underground duct and using method thereof
JPS60263834A Force application testing device for plane material
JPS60261863A Apparatus for mixing and spraying raw concrete and quick-setting agent
JPS60258347A Rust-inhibiting and corrosion-inhibiting method of complicated shape part of iron skeletal structure
JPS60250173A Roof structure of large space structure
JPS60248296A Caking agent for sludgy material
JPS60249814A Method of supplying power to movable machine
JPS60247200A Method of treating low-level radioactive waste
JPS60246914A Method of draining water in ground under excavation
JPS60242225A Construction of foundation of structure
JPS60242265A Construction of reinforced concrete large container