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WATANABE HIKOITSU

Overview
  • Total Patents
    34
About

WATANABE HIKOITSU has a total of 34 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets civil engineering and electrical machinery and energy are SAMILENC, THORNLEY JOSEPH H and BLADE OFFSHORE SERVICES LTD.

Patent filings in countries

World map showing WATANABE HIKOITSUs patent filings in countries

Patent filings per year

Chart showing WATANABE HIKOITSUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Hikoitsu 19
#2 Watanabe Tsuguhiko 8
#3 Genma Sanji 6
#4 Watanabe Tsukuhiko 1
#5 Gnema Sanji 1
#6 Hikoitsu Watanabe 1
#7 Sanji Genma 1
#8 Genma Sanoi 1

Latest patents

Publication Filing date Title
JP2001086885A Holding stand for wrapping root ball of tree, and method for wrapping and holding root ball of tree by using the same
JP2000144731A Stay anchor driving tool
JP2000077112A Installation method for seamless ground electrode
JP2000037021A Double anchor
JP2000037020A Double anchor
JPH103955A Earth electrode inserted under pressure of utility pole
JPH06296657A Rocking arm for acupressure device
JPS62228571A Fixing fittings of sinking preventing apparatus
JPS61142224A Branch line block
JPS61142225A Burying block
DE2649693A1 Ground anchor with hinged arms - having cutters at bottom with notches which support driving tubes
US3903971A Apparatus for driving drain pipes
US3902322A Drain pipes for preventing landslides and method for driving the same
GB1294204A Ground anchor
US3629485A Driven coiled ground
US3601941A Ground anchor
US3548069A Helical earth
GB1124940A Method and apparatus for driving a perforated pipe into the ground, and a perforated pipe for use in the method
GB1116383A A ground anchor