Inventor · disambiguated record
Shigeo Iizuka
Also filed as: IIZUKA SHIGEO · NOZAWA TAKAMITSU · SAITO TADAO
50 granted patents·3 pending applications·843 citations·filing 1978–2015
98Inventor score
Top patents by PatentIndex Score
53 records- 0195US5813576AContainer with a pump that mixes liquid and air to discharge bubblesYOSHINO KOGYOSHO CO LTD·Filed 1995·Granted Sep 29, 1998·85 cites·8 claims
- 0290US10406548B2Trigger-type liquid dispenserFUJIWARA KOTARO·Filed 2015·Granted Sep 10, 2019·7 cites·7 claims
- 0390US9962724B2Trigger-type fluid jetting deviceFUJIWARA KOTARO·Filed 2015·Granted May 8, 2018·7 cites·2 claims
- 0490US8469212B2Safety cap and container with safety capGOTO TAKAYUKI·Filed 2010·Granted Jun 25, 2013·15 cites·7 claims
- 0590US4530449ALiquid spraying deviceYOSHINO KOGYOSHO CO LTD·Filed 1980·Granted Jul 23, 1985·71 cites·2 claims
- 0690US4465183ATwo-part liquid container with breakable partitionKAO CORP·Filed 1983·Granted Aug 14, 1984·76 cites·12 claims
- 0788US4808022AContainer type toilet implementYOSHINO KOGYOSHO CO LTD·Filed 1988·Granted Feb 28, 1989·49 cites·9 claims
- 0884US10040087B2Trigger-type liquid dispenserFUJIWARA KOTARO·Filed 2015·Granted Aug 7, 2018·4 cites·15 claims
- 0982US4776717AContainer type toilet implementYOSHINO KOGYOSHO CO LTD·Filed 1988·Granted Oct 11, 1988·67 cites·8 claims
- 1079US8056767B2Discharge containerMIZUSHIMA HIROSHI·Filed 2006·Granted Nov 15, 2011·9 cites·10 claims
- 1179US7275661B2Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2007·Granted Oct 2, 2007·6 cites·3 claims
- 1277US5156479ACosmetic applicator brush having a reservoir and insulated, pressurized chamberYOSHINO KOGYOSHO CO LTD·Filed 1991·Granted Oct 20, 1992·51 cites·10 claims
- 1376US8393500B2Discharge containerMIZUSHIMA HIROSHI·Filed 2010·Granted Mar 12, 2013·4 cites·10 claims
- 1475US7401714B2Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2007·Granted Jul 22, 2008·4 cites·9 claims
- 1574US9987648B2Trigger-type liquid jetting deviceFUJIWARA KOTARO·Filed 2015·Granted Jun 5, 2018·2 cites·2 claims
- 1674US6793100B2Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2002·Granted Sep 21, 2004·12 cites·1 claims
- 1773US6550646B1Synthetic resin-made tubular containerYOSHINO KOGYOSHO CO LTD·Filed 2000·Granted Apr 22, 2003·24 cites·15 claims
- 1872US6299028B1Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2000·Granted Oct 9, 2001·12 cites·5 claims
- 1971US7337925B2Multi-chamber container element bodyYOSHINO KOGYOSHO CO LTD·Filed 2003·Granted Mar 4, 2008·16 cites·9 claims
- 2071US7201293B2Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2004·Granted Apr 10, 2007·10 cites·9 claims
- 2170US6119899AContainer with pump that mixes liquid and air to discharge bubblesYOSHINO KOGYOSHO CO LTD·Filed 1998·Granted Sep 19, 2000·21 cites·1 claims
- 2269US6502722B1Synthetic resin tube containerYOSHINO KOGYOSHO CO LTD·Filed 2000·Granted Jan 7, 2003·16 cites·10 claims
- 2369US4174790ASprayer usable in both erect and inverted statesYOSHINO KOGYOSHO CO LTD·Filed 1978·Granted Nov 20, 1979·30 cites·17 claims
- 2467US5007757ALiquid containerYOSHINO KOGYOSHO CO LTD·Filed 1989·Granted Apr 16, 1991·24 cites·9 claims
- 2563US7036690B2Discharge containerYOSHINO KOGYOSHO CO LTD·Filed 2003·Granted May 2, 2006·8 cites·14 claims
- 2663US4984918AMakeup liquid container with applicatorYOSHINO KOGYOSHO CO LTD·Filed 1988·Granted Jan 15, 1991·23 cites·32 claims
- 2763US4193551AManually operable atomizerYOSHINO KOGYOSHO CO LTD·Filed 1978·Granted Mar 18, 1980·25 cites·6 claims
- 2862US8444024B2Head part module of a discharge pump for a discharge container and a discharge pump comprising a head part module and a pump part moduleKAKUTA YOSHIYUKI·Filed 2009·Granted May 21, 2013·2 cites·12 claims
- 2962US8006869B2Foam dispensing deviceYOSHINO KOGYOSHO CO LTD·Filed 2006·Granted Aug 30, 2011·2 cites·3 claims
- 3059US4643338AManual liquid dispenserYOSHINO KOGYOSHO CO LTD·Filed 1985·Granted Feb 17, 1987·25 cites·2 claims
- 3159US4216883AConstruction for supporting atomizing means of manually operable atomizerYOSHINO KOGYOSHO CO LTD·Filed 1978·Granted Aug 12, 1980·21 cites·7 claims
- 3255US8925767B2Container with folded-back bottom wallIIZUKA SHIGEO·Filed 2010·Granted Jan 6, 2015·1 cites·20 claims
- 3355US4903868AViscous fluid dispenserLION CORP·Filed 1988·Granted Feb 27, 1990·22 cites·12 claims
- 3454US7299945B2Discharge container with one-way valvesYOSHINO KOGYOSHO CO LTD·Filed 2003·Granted Nov 27, 2007·1 cites·6 claims
- 3551US4591076AManual liquid dispenserYOSHINO KOGYOSHO CO LTD·Filed 1984·Granted May 27, 1986·16 cites·3 claims
- 3650US2006219738A1Foamer dispenserIIZUKA SHIGEO·Filed 2005·Application pending·0 cites
- 3750US2005133475A1Safety cap and container with safety capFiled 2002·Application pending·0 cites
- 3849US9346600B2Discharge containerFURUSAWA MITSUO·Filed 2012·Granted May 24, 2016·0 cites·4 claims
- 3947US4960339AMakeup liquid container with applicatorYOSHINO KOGYOSHO CO LTD·Filed 1988·Granted Oct 2, 1990·12 cites·6 claims
- 4045US5074693AMakeup liquid container with applicator and stirrerYOSHINO KOGYOSHO CO LTD·Filed 1990·Granted Dec 24, 1991·11 cites·7 claims
- 4143US9579670B2Dispensing containerSASAKI TSUYOSHI·Filed 2012·Granted Feb 28, 2017·0 cites·9 claims
- 4243US9475632B2Syringe-type squirt containerTOMA TORU·Filed 2013·Granted Oct 25, 2016·0 cites·10 claims
- 4342US10307778B2Trigger-type liquid dispenserFUJIWARA KOTARO·Filed 2015·Granted Jun 4, 2019·0 cites·8 claims
- 4442US2002000452A1Container with pump for discharging bubblesYOSHINO KOGYOSHO CO LTD·Filed 2001·Application pending·0 cites
- 4541US10195626B2Trigger-type liquid dispenserFUJIWARA KOTARO·Filed 2015·Granted Feb 5, 2019·0 cites·2 claims
- 4641US8950633B2Foam dispenserIIZUKA SHIGEO·Filed 2012·Granted Feb 10, 2015·0 cites·10 claims
- 4740US5052837AMakeup liquid container with applicatorYOSHINO KOGYOSHO CO LTD·Filed 1990·Granted Oct 1, 1991·8 cites·1 claims
- 4839US4863048AContainer with elastically reversible hingeYOSHINO KOGYOSHO CO LTD·Filed 1988·Granted Sep 5, 1989·15 cites·4 claims
- 4938US4984922ALiquid containerYOSHINO KOGYOSHO CO LTD·Filed 1989·Granted Jan 15, 1991·9 cites·6 claims
- 5037US5251992ALiquid container with variable shaped tipYOSHINO KOGYOSHO CO LTD·Filed 1992·Granted Oct 12, 1993·7 cites·3 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shigeo Iizuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →