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NAKAKAWANISHI TADASHI

Overview
  • Total Patents
    23
About

NAKAKAWANISHI TADASHI has a total of 23 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are EMUZU KK, DATC EUROP and TONE KOJI KK.

Patent filings in countries

World map showing NAKAKAWANISHI TADASHIs patent filings in countries
# Country Total Patents
#1 Japan 23

Patent filings per year

Chart showing NAKAKAWANISHI TADASHIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Nakakawanishi Tadashi 23

Latest patents

Publication Filing date Title
JPS59206519A Multispindle type penetrating excavator
JPS59192130A Multi-shaft type penetrating excavator
JPS57184186A Pore shaving apparatus
JPS57184122A Formation of continuous pillar row wall
JPS57184187A Pore shaving apparatus
JPS57143088A Drilling apparatus
JPS569522A Foundation constructing machine
JPS569581A Foundation work machine
JPS55116926A Pile press-in machine
JPS5564030A Device for unpacking bag
JPS5523279A Boring and pile driving device
JPS5513369A Pile driving-in device
JPS5513325A Method of inserting long object into underground and its equipment
JPS5511481A Loading and unloading machine
JPS54128108A Pile driver
JPS5456209A Drilling pressinggin machine
JPS5456206A Chuck device
JPS5428404A Machine of pressing in steel sheet pile
JPS53125306A Method and device for driving pile
JPS53100606A Pile driver