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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 13 | |
#2 | United States | 4 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | United Kingdom | 1 | |
#5 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Computer technology | |
#2 | Basic communication technologies | |
#3 | Packaging and shipping | |
#4 | Environmental technology |
# | Name | Total Patents |
---|---|---|
#1 | Yoshikawa Osamu | 21 |
#2 | Yoshikawa Hirobumi | 3 |
#3 | Yoshikawa Hirofumi | 2 |
#4 | Morinaga Hideo | 2 |
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 |