Inventor · disambiguated record
Kenichi Sakai
Also filed as: SAKAI KENICHI
50 granted patents·10 pending applications·589 citations·filing 1975–2022
98Inventor score
Files withMURATA MANUFACTURING CO7CHUGAI PHARMACEUTICAL CO LTD6NISSAN MOTOR6DENSO CORP5TORAY INDUSTRIES5
Top patents by PatentIndex Score
60 records- 0194US5373039AResin compositions for laser markingGEN ELECTRIC·Filed 1993·Granted Dec 13, 1994·64 cites·14 claims
- 0293US4440584AMethod and apparatus for cooling steel sheetNIPPON KOKAN KK·Filed 1982·Granted Apr 3, 1984·39 cites·11 claims
- 0391US6932174B2Capacity indicating device and method thereofNISSAN MOTOR·Filed 2002·Granted Aug 23, 2005·46 cites·20 claims
- 0490US10261136B2Battery degradation degree estimation device and battery degradation degree estimation methodNISSAN MOTOR·Filed 2015·Granted Apr 16, 2019·7 cites·14 claims
- 0588US6536852B2Resilient crawler and method of manufacture the sameOHTSU TIRE & RUBBER CO LTD·Filed 2001·Granted Mar 25, 2003·49 cites·12 claims
- 0686US5632537ACrawler belt for crawler motor vehicleHONDA MOTOR CO LTD·Filed 1994·Granted May 27, 1997·59 cites·12 claims
- 0785US11022653B2Deterioration degree estimation device and deterioration degree estimation methodNISSAN MOTOR·Filed 2015·Granted Jun 1, 2021·3 cites·6 claims
- 0884US11785857B2Piezoelectric film, method of manufacturing same, piezoelectric film laminated body, and method of manufacturing sameDENSO CORP·Filed 2020·Granted Oct 10, 2023·1 cites·9 claims
- 0981US10854185B2LaminateTORAY INDUSTRIES·Filed 2017·Granted Dec 1, 2020·1 cites·5 claims
- 1081US7717989B2W/O emulsion ink for inkjetRISO KAGAKU CORP·Filed 2008·Granted May 18, 2010·5 cites·8 claims
- 1179US6865090B2Outer coating substrate for electronic component and piezoelectric resonant componentMURATA MANUFACTURING CO·Filed 2002·Granted Mar 8, 2005·20 cites·6 claims
- 1277US10459217B2Optical scanning apparatus having pivoting reflector and piezoelectric elementDENSO CORP·Filed 2016·Granted Oct 29, 2019·2 cites·4 claims
- 1374US8320685B2Picture processing apparatus and method, and imaging apparatusOZAKI KOJI·Filed 2006·Granted Nov 27, 2012·4 cites·24 claims
- 1473US6459048B1Surface-mount electronic componentMURATA MANUFACTURING CO·Filed 2000·Granted Oct 1, 2002·18 cites·14 claims
- 1569US9658121B2Load sensor using vertical transistorDENSO CORP·Filed 2014·Granted May 23, 2017·2 cites·6 claims
- 1669US6722746B2Resilient crawler and method of manufacturing the sameSUMITOMO RUBBER IND·Filed 2003·Granted Apr 20, 2004·18 cites·9 claims
- 1768US11015272B2Laminated nonwoven fabricTORAY INDUSTRIES·Filed 2016·Granted May 25, 2021·1 cites·8 claims
- 1868US5561808AAsymmetric vector multiprocessor composed of a vector unit and a plurality of scalar units each having a different architectureFUJITSU LTD·Filed 1994·Granted Oct 1, 1996·60 cites·10 claims
- 1967US7149906B2Communication deviceSONY CORP·Filed 2002·Granted Dec 12, 2006·11 cites·4 claims
- 2066US10231930B2Solid preparations containing tofogliflozin and process of producing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 2014·Granted Mar 19, 2019·1 cites·9 claims
- 2165US7550877B2Electronic apparatus and power supply controlling methodSONY CORP·Filed 2007·Granted Jun 23, 2009·4 cites·8 claims
- 2265US6223014B1Developer-regulating member, development device, process cartridge, and process for producing developer-regulating memberCANON KK·Filed 1999·Granted Apr 24, 2001·17 cites·13 claims
- 2364US6509718B2Battery pack diagnostic method and battery pack diagnostic apparatusNISSAN MOTOR·Filed 2001·Granted Jan 21, 2003·18 cites·11 claims
- 2463US12258706B2CarpetTORAY INDUSTRIES·Filed 2019·Granted Mar 25, 2025·0 cites·5 claims
- 2562US7119211B2Process for preparing optically active 3-(methylamino)-1-(2-thienyl) propan-1-ol and intermediates for preparationYAMAKAWA CHEMICAL IND·Filed 2004·Granted Oct 10, 2006·4 cites·7 claims
- 2661US7940990B2Image signal processing apparatus and image signal processing methodSONY CORP·Filed 2007·Granted May 10, 2011·3 cites·20 claims
- 2761US6163101APiezoelectric resonatorMURATA MANUFACTURING CO·Filed 1999·Granted Dec 19, 2000·18 cites·20 claims
- 2860US5537537ABurn-in diagnostic technique for a disc driving apparatusSONY CORP·Filed 1995·Granted Jul 16, 1996·16 cites·11 claims
- 2959US6274964B1Piezoelectric resonatorMURATA MANUFACTURING CO·Filed 1998·Granted Aug 14, 2001·15 cites·20 claims
- 3059US2022096379A1Self-emulsifying drug formulation for improving membrane permeability of compoundCHUGAI PHARMACEUTICAL CO LTD·Filed 2021·Application pending·0 cites
- 3158US5247691ASystem for releasing suspended execution of scalar instructions following a wait instruction immediately upon change of vector post pending signalFUJITSU LTD·Filed 1990·Granted Sep 21, 1993·33 cites·10 claims
- 3257US7992783B2Mobile terminal and control program thereofCASIO HITACHI MOBILE COMM CO·Filed 2007·Granted Aug 9, 2011·1 cites·8 claims
- 3357US7879903B2Optically active 3-aminopyrrolidine salt, process for production thereof, and method for optical resolution of 3-aminopyrrolidineTORAY FINECHEMICALS CO LTD·Filed 2008·Granted Feb 1, 2011·0 cites·19 claims
- 3456US2024293402A1FORMULATION CONTAINING DIHYDROPYRIDAZINE-3,5-DIONE DERIVATIVE (as amended)CHUGAI PHARMACEUTICAL CO LTD·Filed 2022·Application pending·0 cites
- 3554US11780767B2Glass ceramic sintered body and wiring substrateTDK CORP·Filed 2020·Granted Oct 10, 2023·0 cites·15 claims
- 3653US10398653B2Solid preparations containing tofogliflozin and process of producing the sameCHUGAI PHARMACEUTICAL CO LTD·Filed 2019·Granted Sep 3, 2019·0 cites·8 claims
- 3753US10107863B2Test method for secondary batteryAUTOMOTIVE ENERGY SUPPLY CORP·Filed 2013·Granted Oct 23, 2018·0 cites·2 claims
- 3853US4033737AMethod of cooling a steel material without deformationNIPPON KOKAN KK·Filed 1975·Granted Jul 5, 1977·7 cites·6 claims
- 3952US8703182B2Light-stabilized soft capsule formulationsMIZUTANI AKIHIKO·Filed 2009·Granted Apr 22, 2014·0 cites·3 claims
- 4052US7779868B2Duct structureNISSAN MOTOR·Filed 2007·Granted Aug 24, 2010·2 cites·11 claims
- 4152US2005214361A1Photostabilized soft capsuleCHUGAI PHARMACEUTICAL CO LTD·Filed 2003·Application pending·0 cites
- 4251US2019380958A1Self-emulsifying drug formulation for improving membrane permeability of compoundCHUGAI PHARMACEUTICAL CO LTD·Filed 2017·Application pending·0 cites
- 4351US2024401244A1Fabric, fabric body and seatTORAY INDUSTRIES·Filed 2022·Application pending·0 cites
- 4450US10286789B2Secondary battery charging system with allowable voltage zone and method thereofNISSAN MOTOR·Filed 2014·Granted May 14, 2019·1 cites·9 claims
- 4549US6310242B1Process for preparing D-alloisoleucine and intermediates for preparationYAMAKAWA CHEMICAL IND·Filed 1999·Granted Oct 30, 2001·5 cites·20 claims
- 4648US6709076B2Elastic crawler and method of producing the sameSUMITOMO RUBBER IND·Filed 2002·Granted Mar 23, 2004·2 cites·10 claims
- 4747US2010185012A1Method for producing optically active trans-2-aminocyclohexanol and intermediate of optically active trans-2-aminocyclohexanolTORAY FINECHEMICALS CO LTD·Filed 2008·Application pending·0 cites
- 4846US11167206B2Portable music playing game deviceCASIO COMPUTER CO LTD·Filed 2020·Granted Nov 9, 2021·0 cites·8 claims
- 4946US6133673AEnergy trap type piezoelectric resonatorMURATA MANUFACTURING CO·Filed 1999·Granted Oct 17, 2000·12 cites·15 claims
- 5046US2014320943A1Optical scanning deviceDENSO CORP·Filed 2014·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kenichi Sakai 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 →