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KOIWA SEKI

Overview
  • Total Patents
    18
About

KOIWA SEKI has a total of 18 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Canada and Switzerland. Its main competitors in its focus markets machine tools are CUTTER CORP, WANG RIXIN and WAIN KEVIN JAMES.

Patent filings in countries

World map showing KOIWA SEKIs patent filings in countries
# Country Total Patents
#1 Japan 14
#2 Canada 1
#3 Switzerland 1
#4 France 1
#5 United States 1

Patent filings per year

Chart showing KOIWA SEKIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machine tools

Focus technologies

Top inventors

# Name Total Patents
#1 Koiwa Seki 13
#2 Hasegawa Hajime 13
#3 Koiwa Takeshi 2
#4 Oomuro Youichi 1

Latest patents

Publication Filing date Title
JPS53103886A Projectile cast nets for catching insects
JPS5361825A Wiper in use of wind force acted when vehicle is in motion
JPS537489A Firing device for shooting
US4030196A Hair cutter
JPS5280953A Electric dust collection hair clipper
JPS5280952A Hair shearing force intensifier for negative pressure pneumatic hair clipper
JPS5280954A Manual collector for clipped hair
JPS5268550A Controller for negative pressure hair clipper
JPS51150451A Device for ad justing inclination of cutting edge in hair cutter under negative air pressure
JPS51145667A Hair cutter utllizing negative air pressure
JPS51135179A Dust collector for devices of utilizing negative-pressure air
JPS5167198A Chushajono mujinkanrisochi
JPS5139941A Chushajono shutsunyujidokanrisochi