Inventor · disambiguated record
Osamu Igarashi
Also filed as: IGARASHI OSAMU
54 granted patents·7 pending applications·1,213 citations·filing 1976–2020
99Inventor score
Top patents by PatentIndex Score
61 records- 0196US6596766B1Utilization of material containing docosapentaenoic acidSUNTORY LTD·Filed 2000·Granted Jul 22, 2003·157 cites·34 claims
- 0295US6505866B1Pipe jointTOKYO GAS CO LTD·Filed 2000·Granted Jan 14, 2003·101 cites·14 claims
- 0394US4983951AAutomotive information display deviceHITACHI LTD·Filed 1989·Granted Jan 8, 1991·258 cites·12 claims
- 0490US7762068B2Control apparatus for internal combustion engine with superchargerTOYOTA MOTOR CO LTD·Filed 2007·Granted Jul 27, 2010·24 cites·11 claims
- 0587US6907867B2Control apparatus and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jun 21, 2005·40 cites·13 claims
- 0686US6883324B2Control apparatus and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Apr 26, 2005·32 cites·13 claims
- 0785US7793500B2Control apparatus for internal combustion engine having motor-driven superchargerTOYOTA MOTOR CO LTD·Filed 2006·Granted Sep 14, 2010·18 cites·18 claims
- 0882US6780264B2Method and apparatus for welding synthetic resin member by high frequency or ultrasonic heatingYKK CORP·Filed 2002·Granted Aug 24, 2004·19 cites·11 claims
- 0982US4386406AFuel level measuring method and apparatus of the sameHITACHI LTD·Filed 1980·Granted May 31, 1983·35 cites·7 claims
- 1081US4068138ASignal converterHITACHI LTD·Filed 1976·Granted Jan 10, 1978·25 cites·13 claims
- 1178US6851162B2Concealed type slide fastener with separable bottom end stopYKK CORP·Filed 2003·Granted Feb 8, 2005·20 cites·4 claims
- 1278US4752771AElectronic instrument panelHITACHI LTD·Filed 1985·Granted Jun 21, 1988·42 cites·5 claims
- 1378US4700303AHeight adjusting apparatus for motor vehicleHITACHI LTD·Filed 1985·Granted Oct 13, 1987·42 cites·6 claims
- 1477US10619560B2Wastegate valve of turbochargerTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 14, 2020·1 cites·6 claims
- 1577US9175578B2TurbochargerIGARASHI OSAMU·Filed 2011·Granted Nov 3, 2015·9 cites·6 claims
- 1677US6159507AFood composition containing an omega-6/omega-3 unsaturated fatty acid balance modifierSUNTORY LTD·Filed 1999·Granted Dec 12, 2000·29 cites·6 claims
- 1773US8351058B2Printing apparatus including restriction processing, printing method, recording medium storing printing programFUJI XEROX CO LTD·Filed 2007·Granted Jan 8, 2013·4 cites·5 claims
- 1871US8051661B2Supercharging control system of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Nov 8, 2011·7 cites·14 claims
- 1970US4649381ALiquid crystal panel display deviceHITACHI LTD·Filed 1984·Granted Mar 10, 1987·29 cites·4 claims
- 2069US4713762AVehicle-mounted electronic display gauge board with serial data transferHITACHI LTD·Filed 1984·Granted Dec 15, 1987·22 cites·3 claims
- 2168US11359526B2Blowby gas discharging deviceISUZU MOTORS LTD·Filed 2019·Granted Jun 14, 2022·0 cites·10 claims
- 2267US9624821B2Air intake structure for internal combustion engineIGARASHI OSAMU·Filed 2011·Granted Apr 18, 2017·2 cites·6 claims
- 2366US11999478B2Gripping mechanism and transportation article conveyance deviceRAKUTEN GROUP INC·Filed 2019·Granted Jun 4, 2024·3 cites·8 claims
- 2465US8006495B2Supercharging system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 30, 2011·6 cites·2 claims
- 2564US5948451AMethod of modifying the balance of omega unsaturated fatty acids using a dioxabicyclo octane derivativeSUNTORY LTD·Filed 1996·Granted Sep 7, 1999·18 cites·6 claims
- 2663US7368123B1Pesticidal resin compositions and pesticidal products formed from the sameOTSUKA KAGAKU KK·Filed 2000·Granted May 6, 2008·3 cites·2 claims
- 2763US6523527B1Canister structure installed in an automobileNISSAN MOTOR·Filed 2000·Granted Feb 25, 2003·10 cites·21 claims
- 2863US5486803ASignal discriminatorMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jan 23, 1996·23 cites·3 claims
- 2963US4761044AFrame structure for housing panel platesNIKKO KOGYO KK·Filed 1987·Granted Aug 2, 1988·28 cites·4 claims
- 3061US6938419B2Control apparatus for internal combustion engine having motor-driven superchargerTOYOTA MOTOR CO LTD·Filed 2004·Granted Sep 6, 2005·15 cites·18 claims
- 3160US5455779ANoise reduction apparatusHITACHI LTD·Filed 1995·Granted Oct 3, 1995·23 cites·11 claims
- 3260US4630840AVehicle height adjusting deviceHITACHI LTD·Filed 1985·Granted Dec 23, 1986·26 cites·3 claims
- 3358US9465603B2Application management apparatus, application management system, application management method, and non-transitory computer readable mediumFUJI XEROX CO LTD·Filed 2014·Granted Oct 11, 2016·1 cites·14 claims
- 3458US6237518B1Trousers-fly-serging apparatusYKK CORP·Filed 1999·Granted May 29, 2001·8 cites·4 claims
- 3557US4673252ALiquid crystal color display apparatus having fixed and variable color regionsHITACHI LTD·Filed 1986·Granted Jun 16, 1987·18 cites·10 claims
- 3657US4618208ACircuit test clipNIKKO KOGYO KK·Filed 1985·Granted Oct 21, 1986·16 cites·6 claims
- 3756US6889677B2Capacitor discharge ignition device for internal combustion engineKOKUSAN DENKI CO·Filed 2004·Granted May 10, 2005·6 cites·17 claims
- 3856US4348726AMethod of controlling automobile equipment and control apparatusHITACHI LTD·Filed 1980·Granted Sep 7, 1982·14 cites·9 claims
- 3954US11401849B2Internal combustion engine exhaust purification deviceISUZU MOTORS LTD·Filed 2018·Granted Aug 2, 2022·0 cites·4 claims
- 4054US5891694AMethod for recovering nucleic acid and device for the same purposeNIKKO KOGYO KK·Filed 1995·Granted Apr 6, 1999·12 cites·10 claims
- 4154US5510195AResin membrane having metallic layer and method of producing the sameNIKKO KOGYO KK·Filed 1992·Granted Apr 23, 1996·19 cites·20 claims
- 4253US11285741B2Printing apparatus having cutting position determination unit for automatically determining cutting position on print mediumMIMAKI ENG CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·6 claims
- 4353US4736198AMulti-color liquid crystal display systemHITACHI LTD·Filed 1985·Granted Apr 5, 1988·12 cites·18 claims
- 4452US11225903B2TurbochargerTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 18, 2022·0 cites·4 claims
- 4552US6865782B2Slide fastener with separable bottom stop assembly and method of manufacturing the sameYKK CORP·Filed 2002·Granted Mar 15, 2005·3 cites·1 claims
- 4652US2007269472A1Pest-control productIGARASHI OSAMU·Filed 2006·Application pending·0 cites
- 4751US4349810ASignal lamp apparatus with a lamp burnout detecting circuitHITACHI LTD·Filed 1980·Granted Sep 14, 1982·12 cites·7 claims
- 4849US2007074448A1Pest-control productNIX INC·Filed 2006·Application pending·0 cites
- 4948US11858775B2Paper sheet detection device, paper sheet detection method, and paper sheet processing deviceLAUREL BANK MACHINE CO·Filed 2020·Granted Jan 2, 2024·0 cites·10 claims
- 5046US8896852B2Document creating apparatus, output apparatus, printed material, document output system, and non-transitory computer readable mediumIGARASHI OSAMU·Filed 2012·Granted Nov 25, 2014·0 cites·17 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Osamu Igarashi 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 →