Learn more

YOSHIKAWA OSAMU

Overview
  • Total Patents
    21
About

YOSHIKAWA OSAMU has a total of 21 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets computer technology, basic communication technologies and packaging and shipping are ACHRONIX SEMICONDUCTOR CORP, ELIXENT LTD and PIXCIR MICROELECTRONICS CO LTD.

Patent filings in countries

World map showing YOSHIKAWA OSAMUs patent filings in countries

Patent filings per year

Chart showing YOSHIKAWA OSAMUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshikawa Osamu 21
#2 Yoshikawa Hirobumi 3
#3 Yoshikawa Hirofumi 2
#4 Morinaga Hideo 2

Latest patents

Publication Filing date Title
JPH07187405A Power/grain feeder
JPH06305581A Supply device in granule feeder
JPH06255794A Powder/grain feeder in skirt silo
JPH06171765A Constant quantity feeder
JPH06142700A Multistage type storage tank
JPH0680190A Method and device for preventing dew consentration at discharge chute in powder and grain feeder
JPH0664756A Shaft seal device in circle feeder
JPH0489719A Feeder
JPH0441333A Circle feeder and manufacture thereof
JPH03152023A Disc feeder
KR960000811B1 A feeder for powers
JPH01279085A Feeder for powder and granules
JPS63185728A Powder feeder