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KYOWA DENSETSU KK

Overview
  • Total Patents
    29
About

KYOWA DENSETSU KK has a total of 29 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 civil engineering, environmental technology and electrical machinery and energy are CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTD, GUNYANG C & E CO LTD and SHANGHAI MINIE TECH CO LTD.

Patent filings in countries

World map showing KYOWA DENSETSU KKs patent filings in countries
# Country Total Patents
#1 Japan 29

Patent filings per year

Chart showing KYOWA DENSETSU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horie Akio 4
#2 Miyamae Yoshinori 4
#3 Kawai Kenji 4
#4 Takahata Hajime 3
#5 Kajiwara Mikio 2
#6 Fukada Masao 2
#7 Nakamura Kouichirou 2
#8 Nakamura Koichiro 2
#9 Sano Fumitake 2
#10 Yamazaki Toshihiro 2

Latest patents

Publication Filing date Title
JPH02194292A Hydraulic concrete hole crusher
JPH02250438A Radio wave interference ratio measuring method and equipment using the method
JPH02252803A Freeze proofing method for ground surface and green for freeze proofing golf course
JPH02232429A Foundation execution for pipeline
JPH02157395A Exit packing device for drilling cable tonnel and working method thereof
JPH0296093A Discharging method for shield excavation earth
JPH0269117A Method for feeding water to plant culturing vessel for underground buried facility and plant culturing vessel for automatic water feeding type underground buried facility
JPH0260987A Additive for shield driving method and slurry material
JPH0235194A Entrance packing device for level-drilling pipe
JPH0224483A Pipe carry-in device for pipe propulsive work
JPH01298910A Inserting method for wire into conduit
JPH01247602A Prevention of freezing and snow piling on ground surface
JPH01230893A Earth pressure shield constructing viscosity giving material and earth pressure type shield method
JPH01164208A Cable laying method through conduit
JPH0230899A Movable formwork for tunnel covering work
JPS6444802A Executing and controlling apparatus of secondary lining
JPS63297689A Earth-moving device for shielding excavator
JPS63297688A Pipe expander in pipe for carrying soil and sand
JPS63293476A Radio wave measurement system
JPS63265282A Road guide apparatus