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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 17 | |
#2 | United States | 4 | |
#3 | Italy | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Civil engineering | |
#3 | Machine tools | |
#4 | Machines | |
#5 | Macromolecular chemistry and polymers | |
#6 | Textiles and paper |
# | Name | Total Patents |
---|---|---|
#1 | Watanabe H | 4 |
#2 | Genma S | 1 |
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 |