Inventor · disambiguated record
Akira Hashimoto
Also filed as: HASHIMOTO AKIRA · HASHIMOTO SUNTOH-GUN · HIRASAWA MASATAKA · KOHAMA KAZUO
279 granted patents·41 pending applications·5,230 citations·filing 1975–2025
99Inventor score
Files withMITSUBISHI ELECTRIC CORP58SEIKO EPSON CORP29CANON KK25TOKYO OHKA KOGYO CO LTD19SANYO ELECTRIC CO17
Top patents by PatentIndex Score
320 records- 0198US11616407B2Segment-core coupled body and method of manufacturing armatureMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 28, 2023·20 cites·26 claims
- 0298US5859486ARotary motor and production method thereof, and laminated core and production method thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jan 12, 1999·164 cites·37 claims
- 0397US7816063B2Color toner and two-component developerCANON KK·Filed 2009·Granted Oct 19, 2010·31 cites·1 claims
- 0497US6600244B2Electric motorFiled 2001·Granted Jul 29, 2003·133 cites·8 claims
- 0597US6267520B1Printer head release mechanismSEIKO EPSON CORP·Filed 2000·Granted Jul 31, 2001·89 cites·1 claims
- 0697US6121711ARotary motor and production method thereof, and laminated core and production method thereofMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 19, 2000·117 cites·3 claims
- 0795US7288348B2Color tonerCANON KK·Filed 2004·Granted Oct 30, 2007·60 cites·13 claims
- 0895US6465144B2Magnetic toner, process for production thereof, and image forming method, apparatus and process cartridge using the tonerCANON KK·Filed 2001·Granted Oct 15, 2002·61 cites·109 claims
- 0994US6406202B1Tape cartridge-holding mechanism and tape printing apparatus including the sameSEIKO EPSON CORP·Filed 1999·Granted Jun 18, 2002·111 cites·4 claims
- 1094US6362553B1Rotary motor and production method thereof, and laminated core production method thereofMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Mar 26, 2002·78 cites·1 claims
- 1194US6240774B1System for detecting malfunction of internal combustion engine radiatorHONDA MOTOR CO LTD·Filed 1999·Granted Jun 5, 2001·69 cites·20 claims
- 1294US5242871AHeat-resistant expansion memberNIPPON PILLAR PACKING·Filed 1992·Granted Sep 7, 1993·84 cites·8 claims
- 1393US10538854B2Copper-nickel alloy electroplating deviceDIPSOL CHEM·Filed 2015·Granted Jan 21, 2020·4 cites·6 claims
- 1493US8015691B2Apparatus for manufacturing laminated core blockMITSUBISHI ELECTRIC CORP·Filed 2011·Granted Sep 13, 2011·16 cites·20 claims
- 1593US6372158B1Conductive pasteMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 16, 2002·67 cites·6 claims
- 1693US5998080AElectrostatic image-developing toner and image-forming methodCANON KK·Filed 1998·Granted Dec 7, 1999·65 cites·112 claims
- 1793US5948584AToner for developing electrostatic images and image forming methodCANON KK·Filed 1998·Granted Sep 7, 1999·66 cites·67 claims
- 1893US3949242ALogical circuit for generating an output having three voltage levelsTOKYO SHIBAURA ELECTRIC CO·Filed 1975·Granted Apr 6, 1976·40 cites·2 claims
- 1992US7922335B2ProjectorSEIKO EPSON CORP·Filed 2008·Granted Apr 12, 2011·19 cites·5 claims
- 2092US7585163B2Compression system, multicylinder rotary compressor, and refrigeration apparatus using the sameSANYO ELECTRIC CO·Filed 2008·Granted Sep 8, 2009·11 cites·1 claims
- 2192US6596452B2Magnetic toner and image-forming method making use of the sameCANON KK·Filed 2001·Granted Jul 22, 2003·41 cites·57 claims
- 2292US6533558B1Closed rotary compressorSANYO ELECTRIC CO·Filed 2000·Granted Mar 18, 2003·55 cites·12 claims
- 2392US6323571B1Rotary motor and production method thereof, and laminated core and production method thereofMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 27, 2001·42 cites·2 claims
- 2492US6167610B1Method of making a rotary motorMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 2, 2001·71 cites·12 claims
- 2592US6096468AToner, toner production process, and image forming methodCANON KK·Filed 1999·Granted Aug 1, 2000·57 cites·66 claims
- 2692US4529661AMagnetic recording mediumSONY CORP·Filed 1983·Granted Jul 16, 1985·58 cites·7 claims
- 2792US4363547AApparatus for mounting a film magazine into cameraOLYMPUS OPTICAL CO·Filed 1981·Granted Dec 14, 1982·30 cites·27 claims
- 2891US6629408B1Exhaust emission control system for internal combustion engineHONDA MOTOR CO LTD·Filed 2000·Granted Oct 7, 2003·56 cites·5 claims
- 2991US6177223B1Toner and image forming method using the tonerCANON KK·Filed 1998·Granted Jan 23, 2001·44 cites·44 claims
- 3091US6055851AApparatus for diagnosing failure of hydraulic pump for work machineHITACHI CONSTRUCTION MACHINERY·Filed 1997·Granted May 2, 2000·86 cites·10 claims
- 3190US6638674B2Magnetic tonerCANON KK·Filed 2001·Granted Oct 28, 2003·34 cites·63 claims
- 3290US6337169B1Toner and image forming method using the tonerCANON KK·Filed 2000·Granted Jan 8, 2002·31 cites·45 claims
- 3389US11620926B2Abnormality detection circuitROHM CO LTD·Filed 2022·Granted Apr 4, 2023·1 cites·3 claims
- 3489US4865649ACoating solution for forming a silica-based coating filmTOKYO OHKA KOGYO CO LTD·Filed 1988·Granted Sep 12, 1989·54 cites·8 claims
- 3588US7452647B2Color tonerCANON KK·Filed 2004·Granted Nov 18, 2008·28 cites·5 claims
- 3688US6447969B1Toner and image forming methodCANON KK·Filed 2000·Granted Sep 10, 2002·30 cites·35 claims
- 3788US4694040ALiquid composition for forming a coating film of organopolysiloxane and method for the preparation thereofTOKYO DENSHI KAGAKU KABUSHIKI·Filed 1986·Granted Sep 15, 1987·52 cites·8 claims
- 3887US5517620ADynamic updating of routing information for routing packets between LAN's connected to a plurality of routers via a public networkNEC CORP·Filed 1994·Granted May 14, 1996·149 cites·26 claims
- 3986US11087652B2Abnormality detection circuitROHM CO LTD·Filed 2019·Granted Aug 10, 2021·2 cites·3 claims
- 4086US9341929B2Projector having a turbulent flow plate disposed between a light modulator and a polarizerSEIKO EPSON CORP·Filed 2015·Granted May 17, 2016·4 cites·8 claims
- 4186US8075192B2Bearing device and pin for bearing deviceYAMAMOTO TEIJI·Filed 2008·Granted Dec 13, 2011·9 cites·3 claims
- 4286US6635398B1Dry toner, dry toner production process, and image forming methodCANON KK·Filed 2000·Granted Oct 21, 2003·27 cites·31 claims
- 4386US6303231B1Coating solutions for use in forming bismuth-based ferroelectric thin films, and ferroelectric memories formed with said coating solutions, as well as processes for production thereofTOKYO OHKA KOGYO CO LTD·Filed 1999·Granted Oct 16, 2001·65 cites·13 claims
- 4486USD395453SDisplay deviceFUJITSU GENERAL LTD·Filed 1996·Granted Jun 23, 1998·34 cites·1 claims
- 4586US5680116AStatic routing systemNEC CORP·Filed 1994·Granted Oct 21, 1997·190 cites·3 claims
- 4686US4561717AOptical system for information processingHITACHI LTD·Filed 1981·Granted Dec 31, 1985·40 cites·6 claims
- 4785US10600378B2Liquid crystal driving deviceROHM CO LTD·Filed 2017·Granted Mar 24, 2020·3 cites·10 claims
- 4885US10128700B2Rotary electric machine armature coreMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 13, 2018·7 cites·10 claims
- 4985US6732458B2Automatically operated shovel and stone crushing system comprising sameHITACHI CONSTRUCTION MACHINERY·Filed 2002·Granted May 11, 2004·33 cites·16 claims
- 5084US11436957B2Abnormality detection circuitROHM CO LTD·Filed 2021·Granted Sep 6, 2022·1 cites·3 claims
Showing the top 50 of 320 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →