Inventor · disambiguated record
Hiroshi Itoh
Also filed as: ITOH HIROSHI · SAKURAI KUNIO
260 granted patents·34 pending applications·7,949 citations·filing 1975–2024
99Inventor score
Files withTOYOTA MOTOR CO LTD57CANON KK23ITOH HIROSHI21MITSUI TOATSU CHEMICALS21LENOVO SINGAPORE PTE LTD19
Top patents by PatentIndex Score
294 records- 0199US11061444B2Portable information deviceLENOVO SINGAPORE PTE LTD·Filed 2020·Granted Jul 13, 2021·16 cites·16 claims
- 0299US4721364ADazzle-free mirror with photocell in a non-dazzle-free portionNIPPON DENSO CO·Filed 1984·Granted Jan 26, 1988·367 cites·8 claims
- 0399US4697883AControl apparatus for two section, glare shield mirrorNIPPON DENSO CO·Filed 1985·Granted Oct 6, 1987·377 cites·7 claims
- 0499US4671615AControl apparatus for a dazzle-free reflection mirror of a vehicleNIPPON DENSO CO·Filed 1985·Granted Jun 9, 1987·361 cites·12 claims
- 0599US4669825AControl apparatus with delay circuit for antiglare mirrorNIPPON DENSO CO·Filed 1984·Granted Jun 2, 1987·258 cites·16 claims
- 0699US4632509AGlare-shielding type reflectorNIPPON DENSO CO·Filed 1984·Granted Dec 30, 1986·260 cites·6 claims
- 0799US4623222ALiquid crystal type dazzle-free transmissive-reflective mirrorNIPPON DENSO CO·Filed 1984·Granted Nov 18, 1986·547 cites·20 claims
- 0898US7053881B2Image display device and image display methodSHARP KK·Filed 2002·Granted May 30, 2006·141 cites·20 claims
- 0998US5006093AHydraulic control apparatus for vehicle power transmitting system having continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1990·Granted Apr 9, 1991·141 cites·7 claims
- 1098US4835312AProduction process of N-substituted amide compoundsMITSUI TOATSU CHEMICALS·Filed 1986·Granted May 30, 1989·171 cites·1 claims
- 1198US4676601ADrive apparatus for a liquid crystal dazzle-free mirror arrangementNIPPON DENSO CO·Filed 1986·Granted Jun 30, 1987·285 cites·12 claims
- 1298US4672863AMethod and apparatus for controlling power transmission system in an automotive vehicleTOYOTA MOTOR CO LTD·Filed 1986·Granted Jun 16, 1987·94 cites·25 claims
- 1398US4669826AApparatus for detecting the direction of light for dazzle-free mirrorsNIPPON DENSO CO·Filed 1985·Granted Jun 2, 1987·202 cites·4 claims
- 1498US4663990AMethod for controlling continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1986·Granted May 12, 1987·103 cites·11 claims
- 1597US4669827ADetection of manipulation of position apparatus for dazzle-free mirrorNIPPON DENSO CO·Filed 1985·Granted Jun 2, 1987·141 cites·10 claims
- 1696US6306057B1Hybrid drive systemTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 23, 2001·181 cites·19 claims
- 1796US4655549AAutomatic antidazzle semitransparent mirrorNIPPON DENSO CO·Filed 1985·Granted Apr 7, 1987·144 cites·7 claims
- 1895US4381747AIdling speed control device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted May 3, 1983·54 cites·12 claims
- 1994US6998268B2Gene preparationsKOKEN KK·Filed 2002·Granted Feb 14, 2006·52 cites·19 claims
- 2094US5812919AImage transferring device for an image forming apparatusRICOH KK·Filed 1996·Granted Sep 22, 1998·74 cites·30 claims
- 2194US4828710AMethod for the extraction of water from macromolecular solutionsMITSUI TOATSU CHEMICALS·Filed 1987·Granted May 9, 1989·104 cites·4 claims
- 2294US4649219AUnsaturated cyclic amido-substituted ether compounds and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 10, 1987·52 cites·4 claims
- 2393US6515054B1Biodegradable resin composition and its molded productNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Feb 4, 2003·91 cites·10 claims
- 2493US6460230B2Mold-in fastening member and production of molded resin article having mold-in fastening memberKURARAY CO·Filed 2001·Granted Oct 8, 2002·69 cites·12 claims
- 2593US5945760AMotor with built-in permanent magnetsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 31, 1999·92 cites·36 claims
- 2693US4963124APlanetary gear transmission for motor vehicleTOYOTA MOTOR CO LTD·Filed 1989·Granted Oct 16, 1990·53 cites·11 claims
- 2793US4495779AAir conditionerTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Jan 29, 1985·78 cites·5 claims
- 2892US5093099AFlaky powder of zinc oxide and its composition for external useKAO CORP·Filed 1988·Granted Mar 3, 1992·51 cites·7 claims
- 2992US4825368ADevice for controlling vehicle four wheel drive front/rear coupling device by learning effective front/rear vehicle wheels radius discrepancy, and method of operation thereofTOYOTA MOTOR CO LTD·Filed 1987·Granted Apr 25, 1989·50 cites·5 claims
- 3092US4475517AAir-fuel ratio control method and apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Oct 9, 1984·39 cites·8 claims
- 3192US4009458APuffer type gas circuit breakerHITACHI LTD·Filed 1975·Granted Feb 22, 1977·50 cites·6 claims
- 3291US6795912B1Method for controlling computer, computer, and storage mediumIBM·Filed 2000·Granted Sep 21, 2004·72 cites·17 claims
- 3390US6521717B1Biodegradable polyester resin composition and its useNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Feb 18, 2003·36 cites·20 claims
- 3490US5744887APermanent magnet rotor and manufacturing method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Apr 28, 1998·74 cites·6 claims
- 3590US4729834AMethod for adsorbing and desorbingMITSUI TOATSU CHEMICALS·Filed 1986·Granted Mar 8, 1988·63 cites·20 claims
- 3690US4178403AMask blank and maskKONISHIROKU PHOTO IND·Filed 1977·Granted Dec 11, 1979·41 cites·8 claims
- 3789US4903568ATremolo device for a guitarMEISTER TECHNOLOGY CO LTD·Filed 1989·Granted Feb 27, 1990·41 cites·9 claims
- 3889US4078840AVehicle body constructionNISSAN MOTOR·Filed 1976·Granted Mar 14, 1978·36 cites·4 claims
- 3987US6836051B2MotorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 28, 2004·37 cites·7 claims
- 4087US4669336AApparatus for controlling line pressure used in V-belt type continuously variable transmission for automobileTOYOTA MOTOR CO LTD·Filed 1985·Granted Jun 2, 1987·45 cites·8 claims
- 4186US8399086B2Hooking member for in-mold moldingITOH HIROSHI·Filed 2009·Granted Mar 19, 2013·15 cites·9 claims
- 4286US7940535B2Discharge lamp lighting device for lighting discharge lampsSHARP KK·Filed 2006·Granted May 10, 2011·25 cites·10 claims
- 4386US5519088AHardenable composition, aqueous gel and applications thereofMITSUI TOATSU CHEMICALS·Filed 1994·Granted May 21, 1996·43 cites·11 claims
- 4486US5296266AMethod of preparing microcapsuleSEIKO EPSON CORP·Filed 1991·Granted Mar 22, 1994·33 cites·12 claims
- 4586US4698764ADiagnostic apparatus for continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1985·Granted Oct 6, 1987·40 cites·29 claims
- 4686US4682518AMethod and apparatus for controlling hydraulically-operated power transmitting system including continuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1985·Granted Jul 28, 1987·38 cites·12 claims
- 4786US4624153AContinuously variable transmissionTOYOTA MOTOR CO LTD·Filed 1983·Granted Nov 25, 1986·48 cites·16 claims
- 4886US4326868ARefrigeration system utilizing a gaseous refrigerant bypassTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Apr 27, 1982·48 cites·18 claims
- 4985US8816902B2Radar apparatusITOH HIROSHI·Filed 2012·Granted Aug 26, 2014·11 cites·7 claims
- 5085US5822667ATransfer separatorRICOH KK·Filed 1996·Granted Oct 13, 1998·38 cites·13 claims
Showing the top 50 of 294 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroshi Itoh 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 →