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WATANABE H

Overview
  • Total Patents
    22
About

WATANABE H has a total of 22 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United Kingdom, United States and Italy. Its main competitors in its focus markets materials and metallurgy, civil engineering and machine tools are RES INST IRON STEEL, NAIGAI CERAMICS CO LTD and STK CERAMICS LAB.

Patent filings in countries

World map showing WATANABE Hs patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 United States 4
#3 Italy 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Watanabe H 4
#2 Genma S 1

Latest patents

Publication Filing date Title
GB2073274A Ground anchor
GB1514230A Hydrogen-containing vessel
GB1505841A Iron-chromium amorphous alloys
GB1427770A Water duct pipe set for preventing landslides
US3842916A Electric motor hammer
US3785100A Ground anchor
GB1352568A Method and apparatus for manufacturing expanded structural members and members produced thereby
US3713498A Electric motor hammer and striking tool