Inventor · disambiguated record
Kenji Otani
Also filed as: OTANI KENJI
26 granted patents·4 pending applications·321 citations·filing 1991–2016
96Inventor score
Files withHITACHI LTD15ROHM CO LTD12ADVANCED CELL TECH AND ENGINEERING LTD1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1PANASONIC CORP1
Top patents by PatentIndex Score
30 records- 0184US7463569B2Optical disk apparatus with a wavelength plate having a two-dimensional array of birefringent regionsPANASONIC CORP·Filed 2005·Granted Dec 9, 2008·6 cites·7 claims
- 0280US5228802AUnderground drainage facility and operation method thereforHITACHI LTD·Filed 1992·Granted Jul 20, 1993·38 cites·15 claims
- 0379US5487621ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1994·Granted Jan 30, 1996·39 cites·6 claims
- 0478US6102618ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1999·Granted Aug 15, 2000·38 cites·3 claims
- 0575US5909982ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1997·Granted Jun 8, 1999·35 cites·25 claims
- 0673US5346316ABearing unit, drainage pump and hydraulic turbine each incorporating the bearing unitHITACHI LTD·Filed 1993·Granted Sep 13, 1994·29 cites·10 claims
- 0772US5458460ADrainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing memberHITACHI LTD·Filed 1994·Granted Oct 17, 1995·23 cites·23 claims
- 0862US5160216ADrainage distribution amount determining method and drainage systemHITACHI LTD·Filed 1991·Granted Nov 3, 1992·18 cites·9 claims
- 0961US5839880ABearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and method of manufacturing the bearing unitHITACHI LTD·Filed 1995·Granted Nov 24, 1998·16 cites·2 claims
- 1059US6924533B2Semiconductor integrated circuit device incorporating overvoltage protection circuitROHM CO LTD·Filed 2003·Granted Aug 2, 2005·7 cites·8 claims
- 1159US2009034401A1Optical disk apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2008·Application pending·0 cites
- 1257US7045915B2Power supply unit having multiple power supply outputsROHM CO LTD·Filed 2003·Granted May 16, 2006·11 cites·8 claims
- 1352US7279942B2Differential current output unitROHM CO LTD·Filed 2005·Granted Oct 9, 2007·2 cites·6 claims
- 1450US2007063334A1Semiconductor deviceROHM CO LTD·Filed 2006·Application pending·0 cites
- 1550US2007120236A1Semiconductor deviceROHM CO LTD·Filed 2006·Application pending·0 cites
- 1648US5287875ADraining pump system and drainage preference operating method thereforHITACHI LTD·Filed 1991·Granted Feb 22, 1994·12 cites·28 claims
- 1746US7196888B2Method of fabricating semiconductor integrated circuit device having protection circuitROHM CO LTD·Filed 2005·Granted Mar 27, 2007·0 cites·2 claims
- 1846US6977535B2Differential current output unitROHM CO LTD·Filed 2004·Granted Dec 20, 2005·4 cites·21 claims
- 1943US5360289ADrainage water pumping station and method for operating the sameHITACHI LTD·Filed 1992·Granted Nov 1, 1994·10 cites·12 claims
- 2043US5300873AMotor control apparatusROHM CO LTD·Filed 1992·Granted Apr 5, 1994·10 cites·11 claims
- 2143US2005212148A1Semiconductor deviceROHM CO LTD·Filed 2004·Application pending·0 cites
- 2240US6703955B2Variable-output-characteristic semiconductor integrated circuit deviceROHM CO LTD·Filed 2003·Granted Mar 9, 2004·1 cites·10 claims
- 2337US5498105ADrainage water pumping station and method for operating the sameHITACHI LTD·Filed 1994·Granted Mar 12, 1996·7 cites·15 claims
- 2436US5733064ADrainage water pumping station and method for operating the sameHITACHI LTD·Filed 1996·Granted Mar 31, 1998·5 cites·3 claims
- 2536US5634740ALarge-depth underground drainage facility and method of running sameHITACHI LTD·Filed 1995·Granted Jun 3, 1997·5 cites·6 claims
- 2634US10774312B2Method for producing frozen mesenchymal cells and method for producing implantable therapeutic memberADVANCED CELL TECH AND ENGINEERING LTD·Filed 2016·Granted Sep 15, 2020·0 cites·7 claims
- 2732US5917237ASemiconductor integrated circuit device and lead frame thereforROHM CO LTD·Filed 1997·Granted Jun 29, 1999·3 cites·5 claims
- 2830US6132136ADrainage water pumping station and method for operating the sameHITACHI LTD·Filed 1998·Granted Oct 17, 2000·0 cites·11 claims
- 2930US5603587ADrainage water pumping station and method for operating the sameHITACHI LTD·Filed 1995·Granted Feb 18, 1997·0 cites·4 claims
- 3028US5287047AMotor drive circuit and motor drive system using the sameROHM CO LTD·Filed 1992·Granted Feb 15, 1994·2 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →