Inventor · disambiguated record
Kenzou Kassai
Also filed as: KASSAI KENZOU
194 granted patents·26 pending applications·5,512 citations·filing 1976–2008
99Inventor score
Files withAPRICA KASSAI KK126KASSAI KK55KASSAI KENZOU13APRICA IKUJIKENKYUKAI APRICA K10GRACO CHILDRENS PROD INC3
Top patents by PatentIndex Score
220 records- 0198US4560022AElectrically driven children's vehicleKASSAI KK·Filed 1984·Granted Dec 24, 1985·130 cites·4 claims
- 0298US4317581ABaby carriageKASSAI KK·Filed 1980·Granted Mar 2, 1982·110 cites·14 claims
- 0396US4817982AFoldable baby carriage with basketAPRICA KASSAI KK·Filed 1987·Granted Apr 4, 1989·95 cites·10 claims
- 0495US4386790ABaby carriageKASSAI KK·Filed 1981·Granted Jun 7, 1983·78 cites·21 claims
- 0594US7118173B2Baby-care implement provided with hoodAPRICA IKUJIKENKYUKAI APRICA K·Filed 2005·Granted Oct 10, 2006·37 cites·16 claims
- 0694US6485101B2Child seat with movable side head guardsAPRICA KASSAI KK·Filed 2001·Granted Nov 26, 2002·86 cites·18 claims
- 0794US5752738ASeat for baby carriageAPRICA KASSAI KK·Filed 1995·Granted May 19, 1998·103 cites·11 claims
- 0894US5181289ABed apparatus and rehabilitation attachmentKASSAI KENZOU·Filed 1992·Granted Jan 26, 1993·131 cites·5 claims
- 0994US4586399AHandcart handle height adjusting mechanismAPRICA KASSAI KK·Filed 1984·Granted May 6, 1986·73 cites·1 claims
- 1094US4261588AVehicle for childrenKASSAI KK·Filed 1979·Granted Apr 14, 1981·62 cites·9 claims
- 1194USD254610SInfant walking trainerKASSAI KK·Filed 1977·Granted Apr 1, 1980·30 cites·1 claims
- 1292US7494031B2Nursery bandGRACO CHILDRENS PROD INC·Filed 2005·Granted Feb 24, 2009·46 cites·4 claims
- 1392US6481794B1Child safety car seat, protector, protector for child-care instrument, child-care instrument and bed for a newbornAPRICA KASSAI KK·Filed 2000·Granted Nov 19, 2002·67 cites·8 claims
- 1492USD287670SChild's safety seat for an automobileAPRICA KASSAI KK·Filed 1984·Granted Jan 13, 1987·30 cites·1 claims
- 1592US4614454ABaby carriage grip rod locking mechanismAPRICA KASSAI KK·Filed 1985·Granted Sep 30, 1986·78 cites·6 claims
- 1691US4545599AConnecting structure between push rods and push rod-connecting rod in baby carriageKASSAI KK·Filed 1983·Granted Oct 8, 1985·60 cites·9 claims
- 1791US4435012ASeat assembly for baby carriagesKASSAI KK·Filed 1981·Granted Mar 6, 1984·61 cites·5 claims
- 1891US4272100ACollapsible baby carriageKASSAI KK·Filed 1979·Granted Jun 9, 1981·59 cites·48 claims
- 1991US4111454AFolding baby carriageKASSAI KK·Filed 1977·Granted Sep 5, 1978·58 cites·4 claims
- 2089USD300310SBaby carriageAPRICA KASSAI KK·Filed 1986·Granted Mar 21, 1989·27 cites·1 claims
- 2189US4632456AChildren's automobile-mounted safety seatAPRICA KASSAI KK·Filed 1985·Granted Dec 30, 1986·74 cites·5 claims
- 2289US4543685ACasterKASSAI KK·Filed 1984·Granted Oct 1, 1985·39 cites·6 claims
- 2388US7753445B2Automobile child seatAPRICA CHILDRENS PRODUCTS INC·Filed 2008·Granted Jul 13, 2010·37 cites·11 claims
- 2488US4610460ABaby carriageAPRICA KASSAI KK·Filed 1984·Granted Sep 9, 1986·53 cites·7 claims
- 2588US4362315ABaby carriageKASSAI KK·Filed 1981·Granted Dec 7, 1982·55 cites·9 claims
- 2688US4171132AInfant walking trainerKASSAI KK·Filed 1977·Granted Oct 16, 1979·38 cites·3 claims
- 2787US7484801B2Detachable child safety seatGRACO CHILDRENS PROD INC·Filed 2006·Granted Feb 3, 2009·32 cites·15 claims
- 2887USD484685SChild carrierAPRICA KASSAI KK·Filed 2002·Granted Jan 6, 2004·42 cites·1 claims
- 2987US6520579B2Vehicular child safety seatAPRICA KASSAI KK·Filed 2001·Granted Feb 18, 2003·53 cites·8 claims
- 3087US6478377B2Juvenile safety car seatAPRICA KASSAI KK·Filed 2000·Granted Nov 12, 2002·52 cites·23 claims
- 3187US5333334AHuman body moving apparatusKASSAI KENZOU·Filed 1993·Granted Aug 2, 1994·104 cites·14 claims
- 3287US4733882APush rod for baby carriageAPRICA KASSAI KK·Filed 1987·Granted Mar 29, 1988·50 cites·3 claims
- 3386US6749433B2Neonate dummyAPRICA KASSAI KK·Filed 2002·Granted Jun 15, 2004·46 cites·10 claims
- 3485USD427785SChild seat for vehiclesAPRICA KASSAI KK·Filed 1999·Granted Jul 11, 2000·27 cites·1 claims
- 3585US4697823AMechanism for locking opened and closed states of baby carriageAPRICA KASSAI KK·Filed 1986·Granted Oct 6, 1987·62 cites·7 claims
- 3685USD284393SConstruction toyKASSAI KK·Filed 1983·Granted Jun 24, 1986·19 cites·1 claims
- 3785USD284207SConstruction toyKASSAI KK·Filed 1983·Granted Jun 10, 1986·19 cites·1 claims
- 3885US4264080AToy vehicle for childrenKASSAI KK·Filed 1979·Granted Apr 28, 1981·51 cites·17 claims
- 3984US6659564B2Child safety car seat with position-adjustable shoulder safety beltsAPRICA KASSAI KK·Filed 2002·Granted Dec 9, 2003·40 cites·8 claims
- 4084USD279176STricycle for childrenKASSAI KK·Filed 1983·Granted Jun 11, 1985·18 cites·1 claims
- 4183US4779879ABaby carriageAPRICA KASSAI KK·Filed 1987·Granted Oct 25, 1988·57 cites·12 claims
- 4283US4714261ASteering wheel fixing construction for toy vehiclesAPRICA KASSAI KK·Filed 1986·Granted Dec 22, 1987·57 cites·1 claims
- 4383US4706986AMechanism for locking opened state of baby carriageAPRICA KASSAI KK·Filed 1986·Granted Nov 17, 1987·57 cites·3 claims
- 4483US4567964AWheel stopping deviceKASSAI KK·Filed 1984·Granted Feb 4, 1986·48 cites·10 claims
- 4582US6257468B1Baby carrierAPRICA KASSAI KK·Filed 1999·Granted Jul 10, 2001·75 cites·23 claims
- 4682US5645317AChild seat apparatusAPRICA KASSAI KK·Filed 1996·Granted Jul 8, 1997·72 cites·10 claims
- 4782US4577877APushcart handle height adjusting mechanismKASSAI KK·Filed 1985·Granted Mar 25, 1986·40 cites·2 claims
- 4881US7175004B2Wheel simultaneous brake mechanism and caster rotation preventing mechanism having simple mechanismAPRICA KASSAI KK·Filed 2004·Granted Feb 13, 2007·32 cites·16 claims
- 4981US4906017ABaby carriageAPRICA KASSAI KK·Filed 1989·Granted Mar 6, 1990·46 cites·5 claims
- 5081US4723813ATable attaching construction for nursing chairsAPRICA KASSAI KK·Filed 1986·Granted Feb 9, 1988·64 cites·7 claims
Showing the top 50 of 220 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenzou Kassai 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 →