Inventor
IIZUKA SHIGEO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “IIZUKA SHIGEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOSHINO KOGYOSHO CO LTD
33 patentsUS5813576ASep 29, 1998
Container with a pump that mixes liquid and air to discharge bubbles
YOSHINO KOGYOSHO CO LTD85 citations97
US4808022AFeb 28, 1989
Container type toilet implement
YOSHINO KOGYOSHO CO LTD49 citations96
US4776717AOct 11, 1988
Container type toilet implement
YOSHINO KOGYOSHO CO LTD67 citations96
US4530449AJul 23, 1985
Liquid spraying device
YOSHINO KOGYOSHO CO LTD71 citations96
US5156479AOct 20, 1992
Cosmetic applicator brush having a reservoir and insulated, pressurized chamber
YOSHINO KOGYOSHO CO LTD51 citations93
US5007757AApr 16, 1991
Liquid container
YOSHINO KOGYOSHO CO LTD24 citations93
US4643338AFeb 17, 1987
Manual liquid dispenser
YOSHINO KOGYOSHO CO LTD25 citations93
US7201293B2Apr 10, 2007
Container with pump for discharging bubbles
YOSHINO KOGYOSHO CO LTD10 citations92
US6119899ASep 19, 2000
Container with pump that mixes liquid and air to discharge bubbles
YOSHINO KOGYOSHO CO LTD21 citations92
US4984918AJan 15, 1991
Makeup liquid container with applicator
YOSHINO KOGYOSHO CO LTD23 citations92
US6550646B1Apr 22, 2003
Synthetic resin-made tubular container
YOSHINO KOGYOSHO CO LTD24 citations88
US7337925B2Mar 4, 2008
Multi-chamber container element body
YOSHINO KOGYOSHO CO LTD16 citations83
US6793100B2Sep 21, 2004
Container with pump for discharging bubbles
YOSHINO KOGYOSHO CO LTD12 citations82
US6502722B1Jan 7, 2003
Synthetic resin tube container
YOSHINO KOGYOSHO CO LTD16 citations82
US6299028B1Oct 9, 2001
Container with pump for discharging bubbles
YOSHINO KOGYOSHO CO LTD12 citations82
US4216883AAug 12, 1980
Construction for supporting atomizing means of manually operable atomizer
YOSHINO KOGYOSHO CO LTD21 citations82
US4193551AMar 18, 1980
Manually operable atomizer
YOSHINO KOGYOSHO CO LTD25 citations82
US4174790ANov 20, 1979
Sprayer usable in both erect and inverted states
YOSHINO KOGYOSHO CO LTD30 citations82
US7401714B2Jul 22, 2008
Container with pump for discharging bubbles
YOSHINO KOGYOSHO CO LTD4 citations74
US7275661B2Oct 2, 2007
Container with pump for discharging bubbles
YOSHINO KOGYOSHO CO LTD6 citations74
US5251992AOct 12, 1993
Liquid container with variable shaped tip
YOSHINO KOGYOSHO CO LTD7 citations74
US5180245AJan 19, 1993
Liquid container with specific valve
YOSHINO KOGYOSHO CO LTD6 citations74
US5052837AOct 1, 1991
Makeup liquid container with applicator
YOSHINO KOGYOSHO CO LTD8 citations74
US4984922AJan 15, 1991
Liquid container
YOSHINO KOGYOSHO CO LTD9 citations74
US4960339AOct 2, 1990
Makeup liquid container with applicator
YOSHINO KOGYOSHO CO LTD12 citations74
US4591076AMay 27, 1986
Manual liquid dispenser
YOSHINO KOGYOSHO CO LTD16 citations74
US7036690B2May 2, 2006
Discharge container
YOSHINO KOGYOSHO CO LTD8 citations73
US5074693ADec 24, 1991
Makeup liquid container with applicator and stirrer
YOSHINO KOGYOSHO CO LTD11 citations73
US4863048ASep 5, 1989
Container with elastically reversible hinge
YOSHINO KOGYOSHO CO LTD15 citations67
US8006869B2Aug 30, 2011
Foam dispensing device
YOSHINO KOGYOSHO CO LTD2 citations63
US4976563ADec 11, 1990
Container type toilet implement with air escape passage
YOSHINO KOGYOSHO CO LTD3 citations63
US5026192AJun 25, 1991
Liquid applicator
YOSHINO KOGYOSHO CO LTD4 citations54
US7299945B2Nov 27, 2007
Discharge container with one-way valves
YOSHINO KOGYOSHO CO LTD1 citations51
FUJIWARA KOTARO
6 patentsUS10406548B2Sep 10, 2019
Trigger-type liquid dispenser
FUJIWARA KOTARO7 citations83
US9962724B2May 8, 2018
Trigger-type fluid jetting device
FUJIWARA KOTARO7 citations83
US10040087B2Aug 7, 2018
Trigger-type liquid dispenser
FUJIWARA KOTARO4 citations72
US9987648B2Jun 5, 2018
Trigger-type liquid jetting device
FUJIWARA KOTARO2 citations72
US10195626B2Feb 5, 2019
Trigger-type liquid dispenser
FUJIWARA KOTARO0 citations41
US10307778B2Jun 4, 2019
Trigger-type liquid dispenser
FUJIWARA KOTARO0 citations40