Inventor · disambiguated record
Takashi Fujii
Also filed as: FUJII TAKASHI · NOGAMI TOMOYUKI
282 granted patents·65 pending applications·4,118 citations·filing 1977–2025
99Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES49HITACHI LTD24MITSUBISHI CHEM CORP23FUJII TAKASHI19OMRON TATEISI ELECTRONICS CO19
Top patents by PatentIndex Score
347 records- 0197US8599450B2Image read device and copierKUBO HIROSHI·Filed 2010·Granted Dec 3, 2013·1k cites·9 claims
- 0297US8043745B2Non-aqueous electrolyte solution and lithium secondary battery using sameMITSUBISHI CHEM CORP·Filed 2010·Granted Oct 25, 2011·15 cites·4 claims
- 0396US9093716B2Nonaqueous electrolyte for secondary battery and nonaqueous-electrolyte secondary battery employing the sameTOKUDA HIROYUKI·Filed 2012·Granted Jul 28, 2015·12 cites·14 claims
- 0495US10007078B2Optical fiber ribbonSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jun 26, 2018·16 cites·11 claims
- 0595US9461334B2Nonaqueous electrolytic solution and nonaqueous electrolyte battery using the sameMITSUBISHI CHEM CORP·Filed 2016·Granted Oct 4, 2016·12 cites·14 claims
- 0695US8817396B2Imaging lens unit and production method of the sameMORI HAJIME·Filed 2010·Granted Aug 26, 2014·23 cites·20 claims
- 0794US11828996B2Optical fiber ribbon and optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Nov 28, 2023·3 cites·10 claims
- 0894US6815228B2Film thickness measuring method of member to be processed using emission spectroscopy and processing method of the member using the measuring methodHITACHI LTD·Filed 2001·Granted Nov 9, 2004·60 cites·7 claims
- 0994US4317508ADisc brakeTOYOTA MOTOR CO LTD·Filed 1980·Granted Mar 2, 1982·43 cites·18 claims
- 1093US4258134ANovel hyaluronidase BMP-8231 and production thereofFUJISAWA PHARMACEUTICAL CO·Filed 1979·Granted Mar 24, 1981·71 cites·4 claims
- 1193US2024297344A1Nonaqueous electrolyte for secondary battery and nonaqueous-electrolyte secondary battery employing the sameMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 1292US9281541B2Nonaqueous electrolyte for secondary battery and nonaqueous-electrolyte secondary battery employing the sameTOKUDA HIROYUKI·Filed 2008·Granted Mar 8, 2016·8 cites·14 claims
- 1392US8982486B2Image pickup lens unit manufacturing method and image pickup lens unitMORI HAJIME·Filed 2011·Granted Mar 17, 2015·13 cites·24 claims
- 1492US8697295B2Nonaqueous electrolytic solution and nonaqueous electrolyte secondary batteryFUJII TAKASHI·Filed 2012·Granted Apr 15, 2014·8 cites·14 claims
- 1592US8469137B2Working vehicleFUJII TAKASHI·Filed 2012·Granted Jun 25, 2013·23 cites·14 claims
- 1692US7828999B2Process and apparatus for producing fine particlesNISSHIN SEIFUN GROUP INC·Filed 2005·Granted Nov 9, 2010·25 cites·32 claims
- 1792US6967013B2Process for producing aligned carbon nanotube filmsMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Nov 22, 2005·67 cites·20 claims
- 1892US6582763B1Process for producing oxide coated fine metal particlesNISSHIN SEIFUN GROUP INC·Filed 2000·Granted Jun 24, 2003·124 cites·12 claims
- 1991US9048508B2Nonaqueous electrolytes and nonaqueous-electrolyte secondary batteries employing the sameKATO RYOICHI·Filed 2009·Granted Jun 2, 2015·10 cites·17 claims
- 2091US8743431B2Sheet conveying device, image reading device, and image forming deviceHAYASAKA KENJI·Filed 2013·Granted Jun 3, 2014·10 cites·7 claims
- 2191US6942948B2Nonaqueous electrolyte solution and secondary battery employing the sameMITSUBISHI CHEM CORP·Filed 2003·Granted Sep 13, 2005·42 cites·19 claims
- 2291US6919145B1Nonaqueous electrolytic solution type secondary batteryMITSUBISHI CHEM CORP·Filed 2000·Granted Jul 19, 2005·47 cites·19 claims
- 2391US6365782B1Production of tricyclodecane dicarbaldehyde, pentacyclopentadecane dicarbaldehyde and corresponding dimethanolsMITSBUSHI GAS CHEMICAL COMPANY·Filed 2000·Granted Apr 2, 2002·42 cites·18 claims
- 2491US6060658APole having solar cellsSHOWA POLE CO LTD·Filed 1997·Granted May 9, 2000·134 cites·5 claims
- 2591US5432315APlasma process apparatus including ground electrode with protection filmHITACHI LTD·Filed 1994·Granted Jul 11, 1995·68 cites·17 claims
- 2691US5315269APhase-locked loopNEC CORP·Filed 1992·Granted May 24, 1994·83 cites·5 claims
- 2790US11953744B2Optical fiber ribbon and optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Apr 9, 2024·2 cites·7 claims
- 2890US8435681B2Nonaqueous electrolyte solution and lithium secondary battery using sameYAMADA TEPPEI·Filed 2011·Granted May 7, 2013·8 cites·13 claims
- 2990US8293411B2Production process of difluorophosphate, nonaqueous electrolytic solution and nonaqueous electrolytic secondary batteryNISHIDA TETSUO·Filed 2009·Granted Oct 23, 2012·9 cites·8 claims
- 3090US7869755B2Automatic document feeder, image reading device including the same, and image forming apparatus including the sameRICOH CO LTD·Filed 2007·Granted Jan 11, 2011·12 cites·8 claims
- 3189US10551307B2Optical fiber inspecting device, optical fiber manufacturing apparatus, method for inspecting optical fiber, and method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Feb 4, 2020·3 cites·11 claims
- 3289US10241262B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Mar 26, 2019·5 cites·9 claims
- 3389US9490763B2Audio signal output device and audio output systemFUNAI ELECTRIC CO·Filed 2013·Granted Nov 8, 2016·14 cites·20 claims
- 3488US11919804B2Resin composition, secondary coating material for optical fiber, optical fiber, and method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Mar 5, 2024·2 cites·12 claims
- 3588US11332201B2Work vehicleKUBOTA KK·Filed 2020·Granted May 17, 2022·2 cites·5 claims
- 3688US9231274B2Nonaqueous electrolyte solution and lithium secondary battery using sameMITSUBISHI CHEM CORP·Filed 2013·Granted Jan 5, 2016·3 cites·16 claims
- 3788US9223115B2Image pickup lens unitFUJII TAKASHI·Filed 2010·Granted Dec 29, 2015·11 cites·22 claims
- 3888US9193117B2Method for production imaging lens unitFUJII TAKASHI·Filed 2011·Granted Nov 24, 2015·7 cites·16 claims
- 3988US8896728B2Image capturing device and image capturing method including setting shutter speed based on blur and noiseFUJII TAKASHI·Filed 2011·Granted Nov 25, 2014·8 cites·12 claims
- 4088US8454041B2Suspension arm unit for vehicleFUJII TAKASHI·Filed 2011·Granted Jun 4, 2013·23 cites·5 claims
- 4188US7981190B2Ultrafine alloy particles, and process for producing the sameNISSHIN SEIFUN GROUP INC·Filed 2007·Granted Jul 19, 2011·11 cites·2 claims
- 4288US7649564B2Image pickup apparatus with brightness distribution chart display capabilityOLYMPUS CORP·Filed 2007·Granted Jan 19, 2010·13 cites·3 claims
- 4388US6903826B2Method and apparatus for determining endpoint of semiconductor element fabricating processHITACHI LTD·Filed 2001·Granted Jun 7, 2005·33 cites·20 claims
- 4488US6650821B1Optical device and a making method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Nov 18, 2003·34 cites·26 claims
- 4587US9874684B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jan 23, 2018·2 cites·11 claims
- 4687US5041186AMethod for manufacturing compound semiconductor single crystals using a hydrogen monitor gasTOSHIBA KK·Filed 1988·Granted Aug 20, 1991·32 cites·15 claims
- 4787US4135635ADual-part cap assembly for sealed fluid reservoirsAISIN SEIKI·Filed 1977·Granted Jan 23, 1979·21 cites·5 claims
- 4886US9231277B2Nonaqueous electrolytes and nonaqueous-electrolyte secondary batteries employing the sameKATO RYOICHI·Filed 2012·Granted Jan 5, 2016·3 cites·15 claims
- 4986US7582135B2Process for producing ultrafine particlesNISSHIN SEIFUN GROUP INC·Filed 2006·Granted Sep 1, 2009·11 cites·12 claims
- 5086US6961131B2Film thickness measuring method of member to be processed using emission spectroscopy and processing method of the member using the measuring methodHITACHI LTD·Filed 2004·Granted Nov 1, 2005·24 cites·6 claims
Showing the top 50 of 347 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Takashi Fujii 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 →