Inventor · disambiguated record
Hiroshi Sugawara
Also filed as: SUGAWARA HIROSHI
101 granted patents·19 pending applications·1,516 citations·filing 1978–2024
99Inventor score
Top patents by PatentIndex Score
120 records- 0194US6524691B2Sound absorbing-insulating structure for vehiclesNISSAN MOTOR·Filed 2001·Granted Feb 25, 2003·64 cites·17 claims
- 0293US5757699AProgramming which can make threshold voltages of programmed memory cells have a narrow distribution in a nonvolatile semiconductor memoryNEC CORP·Filed 1997·Granted May 26, 1998·115 cites·8 claims
- 0393US4187358AResin compositionUNITIKA LTD·Filed 1978·Granted Feb 5, 1980·84 cites·20 claims
- 0492US8652220B2Battery and related methodNISSAN MOTOR·Filed 2013·Granted Feb 18, 2014·7 cites·1 claims
- 0592US5936888ASemiconductor non-volatile memory device having floating gate type reference cell short-circuited between control gate electrode and floating gate electrodeNEC CORP·Filed 1998·Granted Aug 10, 1999·99 cites·17 claims
- 0690US9980346B2Lighting setting apparatus and lighting systemPANASONIC IP MAN CO LTD·Filed 2017·Granted May 22, 2018·9 cites·12 claims
- 0790US5817408ASound insulation structureNISSAN MOTOR·Filed 1997·Granted Oct 6, 1998·130 cites·14 claims
- 0888US9339766B2Method and apparatus for purifying alcoholTAKAHASHI KAZUSHIGE·Filed 2012·Granted May 17, 2016·5 cites·12 claims
- 0987US9887079B2Supply apparatus and supply method for supplying fluid carbon dioxideORGANO CORP·Filed 2013·Granted Feb 6, 2018·8 cites·10 claims
- 1087US6008690ABooster circuitNEC CORP·Filed 1998·Granted Dec 28, 1999·104 cites·23 claims
- 1187US5796652ANon-volatile semiconductor memory capable of writing multi-value informationNEC CORP·Filed 1996·Granted Aug 18, 1998·74 cites·4 claims
- 1285US8426060B2Laminate cell, assembled battery, battery module and electric vehicleHISAMITSU YASUNARI·Filed 2010·Granted Apr 23, 2013·4 cites·3 claims
- 1384US5636099AVariable capacitor formed by multilayer circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 3, 1997·59 cites·2 claims
- 1483US10201060B2Communication address setting method, operation terminal, and lighting systemPANASONIC IP MAN CO LTD·Filed 2017·Granted Feb 5, 2019·4 cites·7 claims
- 1583US8698072B2Triple quadrupole mass spectrometerSUGAWARA HIROSHI·Filed 2011·Granted Apr 15, 2014·6 cites·4 claims
- 1683US8564210B2Light source module and lighting apparatus, and illumination apparatus using sameHAMAMOTO KATUNOBU·Filed 2011·Granted Oct 22, 2013·7 cites·12 claims
- 1783US6839386B2Picture decoding method and apparatus using a 4×8 IDCTSONY CORP·Filed 2000·Granted Jan 4, 2005·27 cites·4 claims
- 1882US7548463B2Nonvolatile semiconductor memory device and method of operating the same which stably perform erase operationNEC ELECTRONICS CORP·Filed 2007·Granted Jun 16, 2009·14 cites·8 claims
- 1982US5554831ASound absorbing memberMITSUBISHI CHEM IND·Filed 1994·Granted Sep 10, 1996·62 cites·6 claims
- 2081US9638677B2Chromatograph mass spectrometerSHIMADZU CORP·Filed 2013·Granted May 2, 2017·5 cites·9 claims
- 2180US11860075B2Analyzing method and analyzing apparatus for ureaORGANO CORP·Filed 2018·Granted Jan 2, 2024·2 cites·14 claims
- 2280US9350008B2Automobile cell and related methodNISSAN MOTOR·Filed 2013·Granted May 24, 2016·2 cites·13 claims
- 2380US6064592ANon-volatile semiconductor memory featuring effective cell area reduction using contactless technologyNEC CORP·Filed 1999·Granted May 16, 2000·43 cites·9 claims
- 2480US5677027ASound insulating structureNISSAN MOTOR·Filed 1996·Granted Oct 14, 1997·67 cites·16 claims
- 2579US7667544B2Clock reproducing apparatusYOKOGAWA ELECTRIC CORP·Filed 2007·Granted Feb 23, 2010·9 cites·6 claims
- 2679US7008720B2Battery having a terminal lead surface covering layer and related methodNISSAN MOTOR·Filed 2003·Granted Mar 7, 2006·18 cites·12 claims
- 2779US5973963ANonvolatile semiconductor memoryNEC CORP·Filed 1998·Granted Oct 26, 1999·45 cites·19 claims
- 2877US7276313B2Battery and related methodNISSAN MOTOR·Filed 2003·Granted Oct 2, 2007·15 cites·19 claims
- 2977US5528011AControl system of a C-type welding gunOBARA CORP·Filed 1994·Granted Jun 18, 1996·43 cites·8 claims
- 3076US6411571B1Disk changer capable of controlling a plurality of driversPIONEER CORP·Filed 2000·Granted Jun 25, 2002·19 cites·14 claims
- 3175US10612998B2Method and apparatus for performing interrelation profile analysisAFL TELECOMMUNICATIONS LLC·Filed 2018·Granted Apr 7, 2020·1 cites·8 claims
- 3275US8420251B2Battery and related methodWATANABE KYOICHI·Filed 2003·Granted Apr 16, 2013·12 cites·24 claims
- 3375US2025123629A1Vehicle, System for Steering Control, Method, Program, Recording Medium Storing Program, and Autonomous Travelling SystemMAMIYA OP CO LTD·Filed 2024·Application pending·0 cites
- 3473US7376019B2Nonvolatile semiconductor memoryNEC ELECTRONICS CORP·Filed 2006·Granted May 20, 2008·8 cites·11 claims
- 3571US10126752B2Work machine, system, method, program, and recording medium recording program for generating travel route of work machine, for determining availability of entry to travel route, and for automatically selecting travel route, and travel control system of work machineMAMIYA OP CO LTD·Filed 2016·Granted Nov 13, 2018·2 cites·22 claims
- 3671US8987664B2Mass spectrometry deviceSHIMADZU CORP·Filed 2013·Granted Mar 24, 2015·2 cites·1 claims
- 3771US7468917B2Nonvolatile semiconductor memory device and method of writing data into the sameNEC ELECTRONICS CORP·Filed 2007·Granted Dec 23, 2008·6 cites·19 claims
- 3870US10190939B2Method and apparatus for performing interrelation profile analysisAFL TELECOMMUNICATIONS LLC·Filed 2014·Granted Jan 29, 2019·2 cites·6 claims
- 3970US9083283B2Digital amplifierPANASONIC CORP·Filed 2014·Granted Jul 14, 2015·4 cites·6 claims
- 4070US7839714B2Non-volatile semiconductor storage device and word line drive methodNEC ELECTRONICS CORP·Filed 2007·Granted Nov 23, 2010·7 cites·20 claims
- 4170US7254081B2Semiconductor memory deviceNEC ELECTRONICS CORP·Filed 2005·Granted Aug 7, 2007·7 cites·15 claims
- 4269US10120382B2Work machine, system, method, and recording medium recording computer program for determining availability of entry to travel route, and travel control system of work machineMAMIYA OP CO LTD·Filed 2016·Granted Nov 6, 2018·2 cites·19 claims
- 4367US7393610B2Laminate packaging flat cellNISSAN MOTOR·Filed 2003·Granted Jul 1, 2008·7 cites·8 claims
- 4467US6064597AMethod of programming a multilevel nonvolatile memory cell with reduced number of erase operationsNEC CORP·Filed 1997·Granted May 16, 2000·25 cites·11 claims
- 4566US8975956B2Digital amplifierSUGAWARA HIROSHI·Filed 2011·Granted Mar 10, 2015·4 cites·4 claims
- 4665US7643350B2Nonvolatile semiconductor memory device and method of writing data into the sameNEC ELECTRONICS CORP·Filed 2008·Granted Jan 5, 2010·4 cites·6 claims
- 4765US6083670AProcess and equipment for rejuvenation treatment of photoresist development wasteORGANO CORP·Filed 1998·Granted Jul 4, 2000·33 cites·8 claims
- 4864US5286929ASound absorbing materialsNISSAN MOTOR·Filed 1992·Granted Feb 15, 1994·31 cites·3 claims
- 4964US4756845ABleaching compositionsLION CORP·Filed 1986·Granted Jul 12, 1988·32 cites·16 claims
- 5063US8974603B2Method of purifying filter, and method of cleaning or drying object to be treatedSUGAWARA HIROSHI·Filed 2011·Granted Mar 10, 2015·1 cites·8 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Hiroshi Sugawara 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 →