Inventor · disambiguated record
Hirokazu Ando
Also filed as: ANDO HIROKAZU
42 granted patents·3 pending applications·184 citations·filing 1974–2023
97Inventor score
Files withTOYOTA MOTOR CO LTD20OKI DATA KK8OKI ELECTRIC IND CO LTD5ASAHI OPTICAL CO LTD3MEDIKIT CO LTD3
Top patents by PatentIndex Score
45 records- 0196US9844648B2Medical safety needle preventive of needlepoint re-exposureMEDIKIT CO LTD·Filed 2015·Granted Dec 19, 2017·10 cites·8 claims
- 0288US10851701B2Engine cooling systemTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 1, 2020·4 cites·8 claims
- 0386US7852563B2Lenticular lens mediumOKI DATA KK·Filed 2009·Granted Dec 14, 2010·7 cites·16 claims
- 0485US11280285B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Mar 22, 2022·1 cites·7 claims
- 0585US10900429B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 26, 2021·2 cites·7 claims
- 0685US5725922ASemiconductive silicone rubber compositions and semiconductive silicone rubber rollsSHINETSU CHEMICAL CO·Filed 1996·Granted Mar 10, 1998·38 cites·14 claims
- 0782US11325579B2Controller and control method for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2019·Granted May 10, 2022·2 cites·7 claims
- 0882US10968847B2Device and method for controlling internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Apr 6, 2021·3 cites·9 claims
- 0981US6081679AMethod of cleaning residual toner from drum and rollers of image forming apparatusOKI DATA KK·Filed 1999·Granted Jun 27, 2000·33 cites·13 claims
- 1079US11187172B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2021·Granted Nov 30, 2021·1 cites·5 claims
- 1173US10907560B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Feb 2, 2021·1 cites·5 claims
- 1273US10619554B2Engine cooling apparatusTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 14, 2020·1 cites·5 claims
- 1372US10890143B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 12, 2021·1 cites·6 claims
- 1472US10253678B2Engine cooling apparatusTOYOTA MOTOR CO LTD·Filed 2017·Granted Apr 9, 2019·1 cites·7 claims
- 1569US2025233178A1Fuel cell systemAISAN IND·Filed 2023·Application pending·0 cites
- 1667US7872805B2Lenticular lens mediumOKI DATA KK·Filed 2009·Granted Jan 18, 2011·3 cites·6 claims
- 1766US11639704B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted May 2, 2023·0 cites·10 claims
- 1863US5844587APiezoelectric ink jet head having electrodes connected by anisotropic adhesiveOKI DATA KK·Filed 1995·Granted Dec 1, 1998·20 cites·10 claims
- 1961US2024024636A1Medical introducer sheath with measure against air intrusionTOGO MEDIKIT CO LTD·Filed 2023·Application pending·0 cites
- 2060US4368353APrinter head for serial dot printerOKI ELECTRIC IND CO LTD·Filed 1981·Granted Jan 11, 1983·14 cites·8 claims
- 2159US11067027B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 20, 2021·0 cites·3 claims
- 2259US4059835ABypass circuits for improving the response of electric shuttersASAHI OPTICAL CO LTD·Filed 1975·Granted Nov 22, 1977·5 cites·7 claims
- 2356US11028747B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jun 8, 2021·0 cites·10 claims
- 2455US10603470B2Medical safety needle preventive of needlepoint re-exposureMEDIKIT CO LTD·Filed 2017·Granted Mar 31, 2020·0 cites·7 claims
- 2555US2025339661A1Valve and medical instrument provided with the sameTOGO MEDIKIT CO LTD·Filed 2022·Application pending·0 cites
- 2652US10961898B2Cooling controller and control method for cooling deviceTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 30, 2021·0 cites·5 claims
- 2751US10801379B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 13, 2020·0 cites·9 claims
- 2851US8515649B2Fuel injection device for internal combustion engineTAKAGI NOBORU·Filed 2010·Granted Aug 20, 2013·1 cites·8 claims
- 2950US11143327B2Cooling apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·10 claims
- 3049US11000650B2Protector and medical needle assemblyMEDIKIT CO LTD·Filed 2018·Granted May 11, 2021·0 cites·10 claims
- 3149US10808597B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·7 claims
- 3248US11199124B2Cooling apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 14, 2021·0 cites·6 claims
- 3347US10774763B2Controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Sep 15, 2020·0 cites·7 claims
- 3446US10598077B2Control system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Mar 24, 2020·0 cites·18 claims
- 3545US5610695ARoller for electrophotographic development apparatusOKI ELECTRIC IND CO LTD·Filed 1995·Granted Mar 11, 1997·10 cites·16 claims
- 3643US3952318AShutter control circuit for camerasASAHI OPTICAL CO LTD·Filed 1974·Granted Apr 20, 1976·2 cites·13 claims
- 3739US4692043AWire dot-printing headOKI ELECTRIC IND CO LTD·Filed 1986·Granted Sep 8, 1987·4 cites·6 claims
- 3838US6293895B1Transfer rollerOKI DATA KK·Filed 1999·Granted Sep 25, 2001·7 cites·6 claims
- 3938US4913569AWire-type printing headOKI ELECTRIC IND CO LTD·Filed 1989·Granted Apr 3, 1990·3 cites·12 claims
- 4034US6118970ACleaning rollerOKI DATA KK·Filed 1999·Granted Sep 12, 2000·3 cites·5 claims
- 4133US6179761B1Semiconductive rollerOKI DATA KK·Filed 1999·Granted Jan 30, 2001·2 cites·3 claims
- 4231US4041506ATiming circuits for camera shuttersASAHI OPTICAL CO LTD·Filed 1975·Granted Aug 9, 1977·0 cites·10 claims
- 4329US6023825AMethod of manufacturing an ink jet headOKI ELECTRIC IND CO LTD·Filed 1998·Granted Feb 15, 2000·0 cites·4 claims
- 4429US5975993AMethod of manufacturing developing rollerOKI DATA KK·Filed 1997·Granted Nov 2, 1999·5 cites·5 claims
- 4528US8606487B2Control device for internal combustion engineTAKAGI NOBORU·Filed 2010·Granted Dec 10, 2013·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Hirokazu Ando 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 →