Learn more

KUMAKURA SHOKICHI

Overview
  • Total Patents
    14
About

KUMAKURA SHOKICHI has a total of 14 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Germany and France. Its main competitors in its focus markets electrical machinery and energy, transport and machines are QUAST & CO, JIANGSU WINCAP NEW ENERGY TECH CO LTD and MAGNETOS LUCIFER S A.

Patent filings in countries

World map showing KUMAKURA SHOKICHIs patent filings in countries
# Country Total Patents
#1 Japan 6
#2 Germany 2
#3 France 2
#4 United States 2
#5 Italy 1
#6 Sweden 1

Patent filings per year

Chart showing KUMAKURA SHOKICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumakura Shokichi 11
#2 Kamiya Tsuneo 1
#3 Arakawa Takashi 1

Latest patents

Publication Filing date Title
JPH092355A Lighting system of bicycle
JPH0872767A Hub power generating device with braking device for bicycle
JPH03213481A Generator for bicycle
JPH0288972A Bicycle speed meter using generator
JPS641452A Generating magnetic load reducer of generator for bicycle in unlighted travelling
SE8301346D0 Ring-shaped magnet unit prodn. - involves liq. plastic fed into mould-gaps to cool and harden
US4227105A Annular magnet assembly
US4191988A Identification lamp apparatus
IT1083557B Annular magnet for electromagnetic machine - consists of several permanent magnets clamped between two rings in non magnetic frame