Inventor · disambiguated record
Kenji Ishikawa
Also filed as: ISHIKAWA KENJI
50 granted patents·15 pending applications·3,458 citations·filing 1985–2024
99Inventor score
Top patents by PatentIndex Score
65 records- 0197US5958140AOne-by-one type heat-processing apparatusTOKYO ELECTRON LTD·Filed 1996·Granted Sep 28, 1999·297 cites·22 claims
- 0297US5382311AStage having electrostatic chuck and plasma processing apparatus using sameTOKYO ELECTRON LTD·Filed 1993·Granted Jan 17, 1995·1k cites·20 claims
- 0396US5591269AVacuum processing apparatusTOKYO ELECTRON LTD·Filed 1994·Granted Jan 7, 1997·337 cites·18 claims
- 0495US4664275AMedical container stopperTERUMO CORP·Filed 1985·Granted May 12, 1987·105 cites·10 claims
- 0594US5567267AMethod of controlling temperature of susceptorTOKYO ELECTRON LTD·Filed 1993·Granted Oct 22, 1996·261 cites·13 claims
- 0692US6936333B2Bulky sheet and process for producing the sameKAO CORP·Filed 2001·Granted Aug 30, 2005·49 cites·12 claims
- 0792US5625526AElectrostatic chuckTOKYO ELECTRON LTD·Filed 1994·Granted Apr 29, 1997·193 cites·9 claims
- 0891US5529821AContainer for storing blood or blood componentTERUMO CORP·Filed 1995·Granted Jun 25, 1996·99 cites·44 claims
- 0990US5665167APlasma treatment apparatus having a workpiece-side electrode grounding circuitTOKYO ELECTRON LTD·Filed 1994·Granted Sep 9, 1997·134 cites·13 claims
- 1088US4682703AStopper for medical containerTERUMO CORP·Filed 1986·Granted Jul 28, 1987·113 cites·7 claims
- 1185US7806392B2Spring sheet structure of hydraulic shock absorberSHOWA CORP·Filed 2005·Granted Oct 5, 2010·20 cites·15 claims
- 1284US5904872AHeating device, method of manufacturing the same, and processing apparatus using the sameTOKYO ELECTRON LTD·Filed 1995·Granted May 18, 1999·72 cites·44 claims
- 1383US10325781B2Etching method and etching apparatusHITACHI HIGH TECH CORP·Filed 2017·Granted Jun 18, 2019·3 cites·12 claims
- 1483US7298964B2Recording system, video camera device and video image recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 20, 2007·31 cites·2 claims
- 1583US5665260ACeramic electrostatic chuck with built-in heaterSHINETSU CHEMICAL CO·Filed 1994·Granted Sep 9, 1997·89 cites·6 claims
- 1681US6896217B1Magnetic tape cartridgeFiled 2000·Granted May 24, 2005·13 cites·29 claims
- 1780US6224934B1Ozone-processing apparatus for semiconductor process systemTOKYO ELECTRON LTD·Filed 2000·Granted May 1, 2001·31 cites·22 claims
- 1879US6891183B2Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted May 10, 2005·15 cites·18 claims
- 1975US11261091B2Carbon nanosheet and manufacturing method thereforNATIONAL UNIV CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM·Filed 2018·Granted Mar 1, 2022·1 cites·12 claims
- 2072US5969767AMultipicture video signal display apparatus with modified picture indicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Oct 19, 1999·48 cites·12 claims
- 2171US5547472ACatheter with medicament injection poresTERUMO CORP·Filed 1995·Granted Aug 20, 1996·134 cites·6 claims
- 2271US5480394AFlexible member for use as a medical bagTERUMO CORP·Filed 1992·Granted Jan 2, 1996·76 cites·7 claims
- 2369US6376046B1Cleaning article impregnated with detergentKAO CORP·Filed 1998·Granted Apr 23, 2002·40 cites·9 claims
- 2467US7709394B2Substrate processing method and apparatus fabrication process of a semiconductor deviceTOKYO ELECTRON LTD·Filed 2007·Granted May 4, 2010·2 cites·8 claims
- 2565US5618350AProcessing apparatusTOKYO ELECTRON LTD·Filed 1996·Granted Apr 8, 1997·27 cites·8 claims
- 2662US7679144B2Semiconductor device and method for manufacturing the sameFUJITSU MICROELECTRONICS LTD·Filed 2007·Granted Mar 16, 2010·2 cites·14 claims
- 2762US6482180B2Intravascular catheterTERUMO CORP·Filed 2001·Granted Nov 19, 2002·28 cites·12 claims
- 2862US5595916ASilicon oxide film evaluation methodFUJITSU LTD·Filed 1994·Granted Jan 21, 1997·37 cites·17 claims
- 2962US5508838ASlit systemJEOL LTD·Filed 1994·Granted Apr 16, 1996·15 cites·8 claims
- 3061US12444618B2Etching method and etching apparatusHITACHI HIGH TECH CORP·Filed 2021·Granted Oct 14, 2025·0 cites·9 claims
- 3160US7077352B2Magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Jul 18, 2006·3 cites·8 claims
- 3259US12237174B2Etching methodHITACHI HIGH TECH CORP·Filed 2021·Granted Feb 25, 2025·0 cites·5 claims
- 3359US5566043ACeramic electrostatic chuck with built-in heaterSHINETSU CHEMICAL CO·Filed 1994·Granted Oct 15, 1996·31 cites·10 claims
- 3456US11890423B2Healthcare device and a method of use thereofISHIKAWA KENJI·Filed 2022·Granted Feb 6, 2024·0 cites·10 claims
- 3556US2006075628A1Magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 3655US6768128B2Ultrasonic-welding apparatus, optical sensor and rotation sensor for the ultrasonic-welding apparatusFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jul 27, 2004·2 cites·6 claims
- 3754US8650727B2Process for producing cleaning sheetTAKABAYASHI KEIMA·Filed 2009·Granted Feb 18, 2014·0 cites·9 claims
- 3854US2025303104A1Device for inducing sleep and improving blood circulationISHIKAWA KENJI·Filed 2024·Application pending·0 cites
- 3953US6898843B2Assembly supporting device for magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted May 31, 2005·3 cites·1 claims
- 4053US5993436AIndwelling catheter with improved kinking resistanceTERUMO CORP·Filed 1998·Granted Nov 30, 1999·41 cites·8 claims
- 4153US5427556APower steering device for boat propulsion unitSHOWA CORP·Filed 1993·Granted Jun 27, 1995·10 cites·3 claims
- 4251US2007128411A1Bulky sheetKAO CORP·Filed 2006·Application pending·0 cites
- 4350US6018608AMethod of generating information used for the copy protecting signal and apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 25, 2000·15 cites·12 claims
- 4450US2024410741A1Sound measurement apparatus, sound measurement method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4550US2024297046A1Etching methodHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 4648US10418254B2Etching method and etching apparatusHITACHI HIGH TECH CORP·Filed 2018·Granted Sep 17, 2019·0 cites·17 claims
- 4748US2009204252A1Substrate processing method and apparatus, method for manufacturing semiconductor device and storage mediumTOKYO ELECTRON LTD·Filed 2009·Application pending·0 cites
- 4847US9773667B2Apparatus and method for producing group III nitride semiconductor device and method for producing semiconductor waferNAT UNIV CORP NAGOYA UNIV·Filed 2014·Granted Sep 26, 2017·0 cites·20 claims
- 4946US7155814B2Method for assembling a magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jan 2, 2007·1 cites·3 claims
- 5046US6857593B2Magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Feb 22, 2005·1 cites·7 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →