Inventor · disambiguated record
Toshiaki Nakayama
Also filed as: NAKAYAMA TOSHIAKI
45 granted patents·34 pending applications·1,075 citations·filing 1983–2022
98Inventor score
Top patents by PatentIndex Score
79 records- 0195US7350496B2Intake mufflerDENSO CORP·Filed 2007·Granted Apr 1, 2008·27 cites·19 claims
- 0295US5720790AFilter elementDENSO CORP·Filed 1996·Granted Feb 24, 1998·180 cites·14 claims
- 0393US5674302AAutomobile filter elementNIPPON DENSO CO·Filed 1995·Granted Oct 7, 1997·97 cites·18 claims
- 0491US8217767B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2011·Granted Jul 10, 2012·18 cites·11 claims
- 0590US8217766B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2011·Granted Jul 10, 2012·11 cites·3 claims
- 0689US9493072B2Safety confirmation support system for vehicle driver and method for supporting safety confirmation of vehicle driverDENSO CORP·Filed 2015·Granted Nov 15, 2016·9 cites·8 claims
- 0789US5826553AAir intake device for an internal combustion engineNIPPON DENSO CO·Filed 1997·Granted Oct 27, 1998·43 cites·9 claims
- 0889US5575247AAir intake device for an internal combustion engineNIPPON DENSO CO·Filed 1995·Granted Nov 19, 1996·44 cites·24 claims
- 0987US6024066AAir-intake module for internal combustion engineDENSO CORP·Filed 1998·Granted Feb 15, 2000·53 cites·18 claims
- 1086US8248273B2Vehicle presence alert apparatusHAYASHI TOSHIO·Filed 2010·Granted Aug 21, 2012·16 cites·6 claims
- 1186US5993580AProcess for manufacturing a filter elementNIPPON DENSO CO·Filed 1997·Granted Nov 30, 1999·63 cites·27 claims
- 1286US5664533AAir intake device for an internal combustion engineNIPPON DENSO CO·Filed 1996·Granted Sep 9, 1997·37 cites·11 claims
- 1385US4486206ACyclone type air cleanerNIPPON DENSO CO·Filed 1983·Granted Dec 4, 1984·55 cites·12 claims
- 1484US5888442AMethod of manufacturing a filter elementDENSO CORP·Filed 1997·Granted Mar 30, 1999·58 cites·6 claims
- 1583US9744901B2Vehicle-mounted apparatusDENSO CORP·Filed 2015·Granted Aug 29, 2017·5 cites·15 claims
- 1683US5074820AStuffed, vibrating, sounding, sitting toySEGA ENTERPRISES KK·Filed 1989·Granted Dec 24, 1991·55 cites·17 claims
- 1782US8598997B2Vehicular annunciation device and method for notifying proximity of a vehicle having an ultrasonic speakerHAYASHI TOSHIO·Filed 2011·Granted Dec 3, 2013·6 cites·13 claims
- 1882US8451143B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2011·Granted May 28, 2013·6 cites·10 claims
- 1980US5290198ANursing doll with sound meansYUGEN KAISHA NAKASHOU GIKEN·Filed 1990·Granted Mar 1, 1994·46 cites·5 claims
- 2075US5037345AEating toy with vocal responseNAKASHOU GIKEN LIMITED COMPANY·Filed 1989·Granted Aug 6, 1991·33 cites·12 claims
- 2173US9731083B2Valved syringe receptacleDAIWA CAN CO LTD·Filed 2016·Granted Aug 15, 2017·3 cites·4 claims
- 2272US7314032B2Butterfly valve apparatus and manufacturing method of the sameDENSO CORP·Filed 2005·Granted Jan 1, 2008·6 cites·14 claims
- 2371US7207307B2Intake system and method for producing the sameDENSO CORP·Filed 2004·Granted Apr 24, 2007·13 cites·36 claims
- 2471US4702940AMethod of producing filter for air cleanerNIPPON DENSO CO·Filed 1986·Granted Oct 27, 1987·34 cites·10 claims
- 2570US5927254AIntake duct and intake system for internal combustion engineDENSO CORP·Filed 1997·Granted Jul 27, 1999·26 cites·23 claims
- 2669US8600071B2Vehicle existence informing device and method for informing existence of a vehicleNAKAYAMA TOSHIAKI·Filed 2010·Granted Dec 3, 2013·3 cites·5 claims
- 2769US8212656B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2010·Granted Jul 3, 2012·4 cites·2 claims
- 2869US7441527B2Air suction deviceDENSO CORP·Filed 2006·Granted Oct 28, 2008·6 cites·17 claims
- 2967US9013284B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2012·Granted Apr 21, 2015·3 cites·5 claims
- 3065US6024188AAir induction unit for internal combustion engineDENSO CORP·Filed 1998·Granted Feb 15, 2000·23 cites·18 claims
- 3165US2025163268A1Application of tung oil in polyurethane compositionSIKA TECH AG·Filed 2022·Application pending·0 cites
- 3264US9785845B2Drive support display deviceDENSO CORP·Filed 2015·Granted Oct 10, 2017·2 cites·13 claims
- 3363US6789524B2Air intake systemDENSO CORP·Filed 2004·Granted Sep 14, 2004·9 cites·9 claims
- 3463US6155224ANoise silencer for vehicle engine intake systemDENSO CORP·Filed 1999·Granted Dec 5, 2000·23 cites·20 claims
- 3563US5996543AIntake device to which engine ECU is fixed and method of assembling the sameDENSO CORP·Filed 1998·Granted Dec 7, 1999·23 cites·8 claims
- 3661US8680964B2Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2012·Granted Mar 25, 2014·2 cites·13 claims
- 3757US5502283AMufflerTOYODA BOSHOKU KK·Filed 1995·Granted Mar 26, 1996·24 cites·20 claims
- 3855US10814780B2Ultrasonic wave output deviceDENSO CORP·Filed 2019·Granted Oct 27, 2020·0 cites·5 claims
- 3953US2014016439A1Bird repellent apparatusDENSO CORP·Filed 2013·Application pending·0 cites
- 4052US10880639B2Ultrasonic wave output apparatusDENSO CORP·Filed 2019·Granted Dec 29, 2020·0 cites·8 claims
- 4152US2008296811A1Method for producing ductDENSO CORP·Filed 2008·Application pending·0 cites
- 4249US2019356973A1Ultrasonic wave output deviceDENSO CORP·Filed 2019·Application pending·0 cites
- 4348US11046246B2Alarm apparatus and alarming methodDENSO ELECTRONICS CORP·Filed 2020·Granted Jun 29, 2021·0 cites·12 claims
- 4447US9613637B2Driving support deviceDENSO CORP·Filed 2013·Granted Apr 4, 2017·0 cites·8 claims
- 4547US2013315418A1Vehicle approach notification unitHAMANAKODENSO CO LTD·Filed 2013·Application pending·0 cites
- 4647US2020160673A1Notification method, notification device, and sound generation deviceDENSO CORP·Filed 2020·Application pending·0 cites
- 4746US2019358671A1Ultrasonic wave output deviceDENSO CORP·Filed 2019·Application pending·0 cites
- 4845US9056321B2Spray gun, spray application apparatus, and spray application methodNAKAYAMA TOSHIAKI·Filed 2010·Granted Jun 16, 2015·0 cites·6 claims
- 4945US2012182136A1Vehicle approach warning apparatusNAKAYAMA TOSHIAKI·Filed 2012·Application pending·0 cites
- 5045US2012182138A1Vehicle presence notification apparatusNAKAYAMA TOSHIAKI·Filed 2012·Application pending·0 cites
Showing the top 50 of 79 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Toshiaki Nakayama 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 →