Inventor · disambiguated record
Kenji Kitamura
Also filed as: KITAMURA KENJI
72 granted patents·6 pending applications·873 citations·filing 1978–2023
99Inventor score
Files withNAT INST FOR MATERIALS SCIENCE9FDK CORP8SEIKO INSTR INC7MITSUBISHI ELECTRIC CORP6NAT INST RES INORGANIC MAT5
Top patents by PatentIndex Score
78 records- 0197US6856433B2Holographic recording medium and holographic recording/reproducing apparatus using the samePIONEER CORP·Filed 2003·Granted Feb 15, 2005·110 cites·8 claims
- 0292US7260280B2Optical deviceNAT INST FOR MATERIALS SCIENCE·Filed 2006·Granted Aug 21, 2007·15 cites·15 claims
- 0392US6373806B1Two-color hologram recording/reproducing apparatusDIRECTOR GENERAL OF NAT INST F·Filed 2000·Granted Apr 16, 2002·46 cites·8 claims
- 0491US6037627AMOS semiconductor deviceSEIKO INSTR INC·Filed 1997·Granted Mar 14, 2000·103 cites·17 claims
- 0590US4221606APhthalocyanine pigment compositionsTOYO INK MFG CO·Filed 1978·Granted Sep 9, 1980·29 cites·8 claims
- 0689US8847457B2Rotary electric machine and method of manufacturing sameYOSHIDA TAKASHI·Filed 2012·Granted Sep 30, 2014·12 cites·10 claims
- 0788US7174059B2Optical deviceNAT INST FOR MATERIALS SCIENCE·Filed 2005·Granted Feb 6, 2007·9 cites·10 claims
- 0888US5306444AWashing composition capable of preventing and ameliorating skin irritationSHISEIDO CO LTD·Filed 1993·Granted Apr 26, 1994·101 cites·3 claims
- 0987US7689067B2Nested modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2007·Granted Mar 30, 2010·10 cites·4 claims
- 1087US7628415B2Knuckle bracketKAYABA INDUSTRY CO LTD·Filed 2007·Granted Dec 8, 2009·21 cites·7 claims
- 1186US6535472B1Hologram recording apparatus and method thereforDIRECTOR GENERAL OF NAT INST F·Filed 2000·Granted Mar 18, 2003·31 cites·7 claims
- 1286US6469074B1Composition of cyanate ester, epoxy resin and acid anhydrideMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Oct 22, 2002·29 cites·16 claims
- 1384US6673330B1Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystalNAT INST RES INORGANIC MAT·Filed 2000·Granted Jan 6, 2004·19 cites·18 claims
- 1484US6464777B2Single crystal of lithium niobate or tantalate and its optical element, and process and apparatus for producing an oxide single crystalNAT INST RES INORGANIC MAT·Filed 2001·Granted Oct 15, 2002·19 cites·10 claims
- 1581US10951048B2Charging circuitFDK CORP·Filed 2017·Granted Mar 16, 2021·4 cites·5 claims
- 1680US7976717B2Method of forming polarization reversal area, apparatus thereof and device using itNAT INST FOR MATERIALS SCIENCE·Filed 2006·Granted Jul 12, 2011·7 cites·15 claims
- 1780US6670079B1Photorefractive materialDIRECTOR GENERAL OF NAT INST F·Filed 2000·Granted Dec 30, 2003·21 cites·8 claims
- 1879US8669121B2Method for forming polarization reversalYAMAMOTO FUTOSHI·Filed 2011·Granted Mar 11, 2014·2 cites·2 claims
- 1978US6369409B1Semiconductor device and method of manufacturing the sameSEIKO INSTR INC·Filed 1996·Granted Apr 9, 2002·42 cites·24 claims
- 2077US6211999B1Lithium tantalate single-crystal and photo-functional deviceUNIV CALIFORNIA·Filed 1998·Granted Apr 3, 2001·37 cites·7 claims
- 2176US4742699AApparatus for coloring textile materialsKANEBO LTD·Filed 1987·Granted May 10, 1988·21 cites·7 claims
- 2275US11936223B2Battery polarity determination circuit, charger, and electronic deviceFDK CORP·Filed 2019·Granted Mar 19, 2024·2 cites·8 claims
- 2375US11228186B2Charger having failure detection function and failure detection methodFDK CORP·Filed 2019·Granted Jan 18, 2022·2 cites·10 claims
- 2475US10530211B2Coil winding component and rotary electric machineHONDA MOTOR CO LTD·Filed 2018·Granted Jan 7, 2020·1 cites·10 claims
- 2573US11387660B2Automatic chargerFDK CORP·Filed 2019·Granted Jul 12, 2022·2 cites·7 claims
- 2672US11742685B2Charger and charging methodFDK CORP·Filed 2019·Granted Aug 29, 2023·2 cites·8 claims
- 2771US9074938B2Substrate for surface enhanced Raman spectroscopy analysis and manufacturing method of the same, biosensor using the same, and microfluidic device using the sameLIU XIAOYAN·Filed 2013·Granted Jul 7, 2015·2 cites·11 claims
- 2869US6379451B1Pigment composition and aqueous pigment dispersion product using the sameTOYO INK MFG CO·Filed 2000·Granted Apr 30, 2002·7 cites·14 claims
- 2966US6747787B2Optically functional device, single crystal substrate for the device and method for its useNAT INST RES INORGANIC MAT·Filed 2001·Granted Jun 8, 2004·10 cites·5 claims
- 3065US10752384B2Orbit control device and satelliteMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Aug 25, 2020·2 cites·17 claims
- 3165US8778225B2Iodide single crystal, production process thereof, and scintillator comprising iodide single crystalSHIMAMURA KIYOSHI·Filed 2009·Granted Jul 15, 2014·1 cites·6 claims
- 3264US6989055B2Monoazo lake pigment composition and gravure ink using the sameTOYO INK MFG CO·Filed 2003·Granted Jan 24, 2006·8 cites·6 claims
- 3363US6624923B2Optically functional device, single crystal substrate for the device and method for its useNAT INST RES INORGANIC MAT·Filed 2001·Granted Sep 23, 2003·8 cites·7 claims
- 3463US6499572B2Damping force generatorKAYABA INDUSTRY CO LTD·Filed 2001·Granted Dec 31, 2002·9 cites·4 claims
- 3563US4256531AProcess for producing single crystal of yttrium-iron garnet or solid solution thereofNAT INST RES·Filed 1978·Granted Mar 17, 1981·14 cites·14 claims
- 3662US7651675B2Process for producing flaky titanium oxide capable of absorbing visible lightNAT INST FOR MATERIALS SCIENCE·Filed 2005·Granted Jan 26, 2010·1 cites·4 claims
- 3762US5324066AHydraulic damper with variable damping characteristics in compression and extensionKAYABA INDUSTRY CO LTD·Filed 1992·Granted Jun 28, 1994·29 cites·8 claims
- 3861US10882144B2Laser shielding deviceHONDA MOTOR CO LTD·Filed 2018·Granted Jan 5, 2021·0 cites·6 claims
- 3960US7985294B2Optical device and method of manufacturing the sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Jul 26, 2011·2 cites·7 claims
- 4059US10407187B2Device for controlling attitude of spacecraft and method for calculating CMG gimbal angleMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Sep 10, 2019·1 cites·10 claims
- 4158US5904912AIron-doped lithium niobate single crystal, method for heat treatment thereof and hologram-application element containing the single crystalNAT INST RES INORGANIC MAT·Filed 1997·Granted May 18, 1999·14 cites·4 claims
- 4257US8223427B2Method of fixing polarization-reversed region formed in ferroelectric single crystalLIU XIAOYAN·Filed 2007·Granted Jul 17, 2012·1 cites·6 claims
- 4356US5690914AExternal preparation for skinSHISEIDO CO LTD·Filed 1993·Granted Nov 25, 1997·22 cites·10 claims
- 4455US12374884B2Backup power supply deviceFDK CORP·Filed 2022·Granted Jul 29, 2025·0 cites·3 claims
- 4554US6473208B1Two-color holographic recording apparatusDIRECTOR GENERAL OF NAT INST F·Filed 2000·Granted Oct 29, 2002·3 cites·14 claims
- 4653US2023260959A1Method for manufacturing composite structure and method for fabricating semiconductor devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4752US6303762B1Method of producing disazo pigmentTOYO INK MFG CO·Filed 2001·Granted Oct 16, 2001·2 cites·10 claims
- 4851US12506187B2Battery bank unit, remaining charge time calculation method, and non transitory recording medium storing computer readable program storing therein for calculating remaining charge time of battery bank unitFDK CORP·Filed 2022·Granted Dec 23, 2025·0 cites·10 claims
- 4950US8524509B2Method for forming polarization reversalYAMAMOTO FUTOSHI·Filed 2011·Granted Sep 3, 2013·0 cites·6 claims
- 5050US8293543B2Method for forming polarization reversalYAMAMOTO FUTOSHI·Filed 2011·Granted Oct 23, 2012·0 cites·8 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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