Inventor · disambiguated record
Hitoshi Sugiyama
Also filed as: SUGIYAMA HITOSHI
45 granted patents·10 pending applications·749 citations·filing 1987–2019
98Inventor score
Top patents by PatentIndex Score
55 records- 0194US7767485B2Solid-state imaging device and method for manufacturing sameTOSHIBA KK·Filed 2009·Granted Aug 3, 2010·33 cites·16 claims
- 0294US7037738B2Method of manufacturing a semiconductor light-emitting elementTOSHIBA KK·Filed 2003·Granted May 2, 2006·147 cites·12 claims
- 0391US7462869B2Semiconductor light emitting device and semiconductor light emitting apparatusTOSHIBA KK·Filed 2007·Granted Dec 9, 2008·19 cites·7 claims
- 0490US6825056B2Light-emitting device and method for manufacturing the sameTOSHIBA KK·Filed 2002·Granted Nov 30, 2004·46 cites·14 claims
- 0588US10140956B2Display control apparatusDENSO CORP·Filed 2012·Granted Nov 27, 2018·7 cites·13 claims
- 0688US10008183B2Display-and-audio output control deviceDENSO CORP·Filed 2015·Granted Jun 26, 2018·7 cites·2 claims
- 0788US8548677B2Display control apparatusSUGIYAMA HITOSHI·Filed 2012·Granted Oct 1, 2013·8 cites·17 claims
- 0887US9190508B2GaN based semiconductor deviceTOSHIBA KK·Filed 2014·Granted Nov 17, 2015·7 cites·9 claims
- 0986US10215604B2Fluid analysis system with densitometer having electrically isolated vibrating tubeSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Feb 26, 2019·3 cites·24 claims
- 1083US5568609AData processing system with path disconnection and memory access failure recognitionFUJITSU LTD·Filed 1995·Granted Oct 22, 1996·114 cites·8 claims
- 1182US7179672B2Light-emitting device and method for manufacturing the sameTOSHIBA KK·Filed 2004·Granted Feb 20, 2007·23 cites·1 claims
- 1280US7530392B2Method and system for development of hydrocarbon bearing formations including depressurization of gas hydratesSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 12, 2009·16 cites·28 claims
- 1380US6474439B1Dipole logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Nov 5, 2002·45 cites·19 claims
- 1476US7707878B2Circulation pump for circulating downhole fluids, and characterization apparatus of downhole fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 4, 2010·9 cites·25 claims
- 1575US7334661B2Acoustic logging tool sleeveSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Feb 26, 2008·32 cites·47 claims
- 1674US9024776B2Methods and systems for wellhole logging utilizing radio frequency communicationSUGIYAMA HITOSHI·Filed 2007·Granted May 5, 2015·12 cites·20 claims
- 1773US9927541B2Apparatus for monopole and multipole sonic logging of a downhole formationSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 27, 2018·4 cites·19 claims
- 1873US8558683B2Display apparatus and meter for vehicleNISHIKAWA RYOICHI·Filed 2010·Granted Oct 15, 2013·5 cites·28 claims
- 1972US7888760B2Solid state imaging device and method for manufacturing same, and solid state imaging moduleTOSHIBA KK·Filed 2008·Granted Feb 15, 2011·5 cites·26 claims
- 2070US5319311ACable fault location method with discharge delay compensation using multiple pulses with different rates of voltage increaseCHUBA ELECTRIC POWER COMPANY I·Filed 1992·Granted Jun 7, 1994·42 cites·8 claims
- 2168US9140571B2Display control apparatusSUGIYAMA HITOSHI·Filed 2012·Granted Sep 22, 2015·3 cites·45 claims
- 2268US8061047B2Active positioning of downhole devices using spherical motorsIGARASHI JUEI·Filed 2009·Granted Nov 22, 2011·8 cites·45 claims
- 2367US8511421B1Acoustic sourcesSUGIYAMA HITOSHI·Filed 2012·Granted Aug 20, 2013·2 cites·20 claims
- 2466US9557435B2Acoustic isolatorsSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jan 31, 2017·4 cites·19 claims
- 2566US7336562B1Sonic logging tool including receiver and spacer structureSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Feb 26, 2008·24 cites·33 claims
- 2664US2019186970A1Fluid analysis systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Application pending·0 cites
- 2763US8127841B2Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydratesONODERA SHUNETSU·Filed 2011·Granted Mar 6, 2012·2 cites·9 claims
- 2861US7216737B2Acoustic isolator between downhole transmitters and receiversSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted May 15, 2007·18 cites·45 claims
- 2961US6739423B2Acoustic logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 25, 2004·17 cites·53 claims
- 3056US9436430B2Audio output control deviceDENSO CORP·Filed 2013·Granted Sep 6, 2016·1 cites·4 claims
- 3156US5580991AProcess for preparing butyrolactone and method for separating organic phosphorous-ruthenium complex as catalyst and reusing the sameMITSUBISHI CHEM CORP·Filed 1995·Granted Dec 3, 1996·18 cites·45 claims
- 3256US5548743AData processing system with duplex common memory having physical and logical path disconnection upon failureFUJITSU LTD·Filed 1994·Granted Aug 20, 1996·29 cites·10 claims
- 3355US9285233B2Display control apparatusSUGIYAMA HITOSHI·Filed 2012·Granted Mar 15, 2016·1 cites·37 claims
- 3455US8401796B2Methods and systems for acoustically monitoring formationsMORIKAMI YOKO·Filed 2008·Granted Mar 19, 2013·7 cites·18 claims
- 3553US7886820B2Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydratesSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Feb 15, 2011·2 cites·15 claims
- 3649US9406792B2Semiconductor device having GaN-based layerTOSHIBA KK·Filed 2015·Granted Aug 2, 2016·0 cites·10 claims
- 3748US6494288B1Acoustic logging toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1998·Granted Dec 17, 2002·25 cites·18 claims
- 3847US9874069B2Seal assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Jan 23, 2018·0 cites·20 claims
- 3947US6646627B2Liquid crystal display control devices and display apparatus for controlling pixel discriminationKAWASAKI MICROELECTRONICS INC·Filed 2001·Granted Nov 11, 2003·1 cites·15 claims
- 4047US2005253157A1Semiconductor light emitting device and semiconductor light emitting apparatusTOSHIBA KK·Filed 2005·Application pending·0 cites
- 4146US2005145864A1Semiconductor light-emitting element and method of manufacturing the sameFiled 2005·Application pending·0 cites
- 4245US10163435B2Voice output control device, voice output control method, and recording mediumDENSO CORP·Filed 2014·Granted Dec 25, 2018·0 cites·13 claims
- 4345US8448704B2Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydratesONODERA SHUNETSU·Filed 2012·Granted May 28, 2013·0 cites·10 claims
- 4445US2015047706A1Solar cell module sealing film, and solar cell module using sameMIYOSHI MASANAO·Filed 2012·Application pending·0 cites
- 4544US9452677B2Display control apparatusDENSO CORP·Filed 2012·Granted Sep 27, 2016·0 cites·29 claims
- 4642US9415686B2Display control apparatusUEDA YOSHIHIRO·Filed 2012·Granted Aug 16, 2016·0 cites·12 claims
- 4742US2016355648A1Resin filmKASEI CO C I·Filed 2015·Application pending·0 cites
- 4842US2011133067A1Optical sensor having a capillary tube and an optical fiber in the capillary tubeSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 4940US2013069080A1Semiconductor device and method for manufacturing sameSUGIYAMA HITOSHI·Filed 2012·Application pending·0 cites
- 5040US2014196885A1Method and System for Monitoring The Incursion of Particulate Material into A Well Casing within Hydrocarbon Bearing Formations including Gas HydratesSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →