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WATANABE KAZUMASA

Overview
  • Total Patents
    15
About

WATANABE KAZUMASA has a total of 15 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Canada and Germany. Its main competitors in its focus markets textiles and paper are MARA ANSTALT, FAIRBANKS HENRY and PERM VNII TSELLYULOZNO BUMAZHN.

Patent filings in countries

World map showing WATANABE KAZUMASAs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 Canada 1
#3 Germany 1
#4 France 1
#5 United States 1

Patent filings per year

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

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Paper-making machines

Top inventors

# Name Total Patents
#1 Watanabe Kazumasa 12
#2 Koga Toshiaki 2

Latest patents

Publication Filing date Title
JP2006144206A Tool for wearing and removing necktie
JPH0941263A Needle-detecting device of orthogonal indication type
JPH08141292A Air pressure type hand ring press to remove wrinkles
JPH07308678A Inner-water-tank sterilization and deodorization cleaning system
JPH06333538A Discharge tube for ultraviolet ray and ultraviolet ray strilization air cleaner
JPH0330844A Preparation of super finely powdered silk
JPS532608A Paper screening apparatus
JPS514305A Shoshihoho oyobi sonoshiryokyokyusochi
CA1003254A Paper machine