Inventor · disambiguated record
Katsumi Ishii
Also filed as: ISHII KATSUMI
57 granted patents·12 pending applications·2,107 citations·filing 1979–2018
99Inventor score
Files withTEL SAGAMI LTD12NITTO DENKO CORP10PIONEER ELECTRONIC CORP9TOKYO ELECTRON LTD9PIONEER CORP8
Top patents by PatentIndex Score
69 records- 0199US6247245B1Processing unit for substrate manufactureTOKYO ELECTRON LTD·Filed 1999·Granted Jun 19, 2001·461 cites·9 claims
- 0296US6231290B1Processing method and processing unit for substrateTOKYO ELECTRON·Filed 1999·Granted May 15, 2001·443 cites·11 claims
- 0391US10487414B2Surface treatment system and workpiece-holding jigALMEX PE INC·Filed 2018·Granted Nov 26, 2019·7 cites·9 claims
- 0490US6741543B1Lens driving apparatusPIONEER CORP·Filed 2000·Granted May 25, 2004·31 cites·28 claims
- 0589US4307576AAir conditioning system having a plurality of indoor unitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Dec 29, 1981·46 cites·27 claims
- 0688US6565747B1Spiral wound type separation membrane elementNITTO DENKO CORP·Filed 2000·Granted May 20, 2003·51 cites·17 claims
- 0787US9346632B2Surface treatment system and workpiece-holding jigNODA TOMOHIRO·Filed 2012·Granted May 24, 2016·4 cites·6 claims
- 0887US6625105B2Pickup apparatus and method of manufacturing the samePIONEER CORP·Filed 2001·Granted Sep 23, 2003·23 cites·4 claims
- 0987US5261935AClean air apparatusTEL SAGAMI LTD·Filed 1993·Granted Nov 16, 1993·112 cites·11 claims
- 1084US4828283AFour wheel steer vehicle control system responsive to suspension characteristic changeNISSAN MOTOR·Filed 1986·Granted May 9, 1989·49 cites·10 claims
- 1184US4716982AFour wheel steer control system connected with limited slip differentialNISSAN MOTOR·Filed 1986·Granted Jan 5, 1988·43 cites·6 claims
- 1283US5183378AWafer counter having device for aligning wafersTEL SAGAMI LTD·Filed 1991·Granted Feb 2, 1993·85 cites·9 claims
- 1383US4715466AFour wheel steer control system for four wheel drive vehicle, responsive to driving torque distributionNISSAN MOTOR·Filed 1986·Granted Dec 29, 1987·43 cites·14 claims
- 1479US6880159B2Disc driving apparatusPIONEER CORP·Filed 2003·Granted Apr 12, 2005·13 cites·3 claims
- 1578US6733675B2Spiral wound membrane element, spiral wound membrane module and treatment system employing the same as well as running method and washing method thereforNITTO DENKO CORP·Filed 2001·Granted May 11, 2004·24 cites·37 claims
- 1677US5181819AApparatus for processing semiconductorsTEL SAGAMI LTD·Filed 1991·Granted Jan 26, 1993·63 cites·10 claims
- 1775US6493961B2Processing unit for a substrateTOKYO ELECTRON LTD·Filed 2001·Granted Dec 17, 2002·13 cites·18 claims
- 1874US7867394B2Membrane element sealing material holding member and membrane elementNITTO DENKO CORP·Filed 2007·Granted Jan 11, 2011·6 cites·15 claims
- 1973US6327794B2Processing method for substrateTOKYO ELECTRON LTD·Filed 2001·Granted Dec 11, 2001·12 cites·1 claims
- 2073US5655871ADevice for transferring plate-like objectsTOKYO ELECTRON LTD·Filed 1996·Granted Aug 12, 1997·38 cites·4 claims
- 2172US6594223B2Lens driving apparatus for disk player having a lens holder supported by a plurality of elastic members having different spring constantsPIONEER CORP·Filed 2001·Granted Jul 15, 2003·9 cites·4 claims
- 2272US5744039AComposite semipermeable membrane and production method thereofNITTO DENKO CORP·Filed 1997·Granted Apr 28, 1998·37 cites·17 claims
- 2371US5468112AWafer container and wafer aligning apparatusTOKYO ELECTRON LTD·Filed 1993·Granted Nov 21, 1995·62 cites·12 claims
- 2471US4633062AElectric blanketMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Dec 30, 1986·39 cites·3 claims
- 2570US5619484APulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical discPIONEER ELECTRONIC CORP·Filed 1995·Granted Apr 8, 1997·21 cites·2 claims
- 2670US5562387ADevice for transferring plate-like objectsTOKYO ELECTRON LTD·Filed 1994·Granted Oct 8, 1996·39 cites·9 claims
- 2766US7219358B2Lens drive device having metal wire-like elastic members, and method for manufacturing the samePIONEER CORP·Filed 2001·Granted May 15, 2007·6 cites·11 claims
- 2865US5219464AClean air apparatusTOKYO ELECTRON LTD·Filed 1992·Granted Jun 15, 1993·37 cites·19 claims
- 2965US5123804AHorizontal/vertical conversion handling apparatusTEL SAGAMI LTD·Filed 1990·Granted Jun 23, 1992·38 cites·9 claims
- 3063US6690638B1Supporting mechanism for an optical disc reproducing apparatus having a sub-frame for suppressing vibrationPIONEER ELECTRONIC CORP·Filed 1999·Granted Feb 10, 2004·18 cites·6 claims
- 3163US5520142ADecompression containerTOKYO ELECTRON LTD·Filed 1995·Granted May 28, 1996·29 cites·18 claims
- 3263US5236181AVertical heat treating apparatusTEL SAGAMI LTD·Filed 1991·Granted Aug 17, 1993·15 cites·23 claims
- 3362US6493158B2Lens driving apparatus for optical disc player and printed circuit board coils for lens driving apparatus for disc playerPIONEER CORP·Filed 2001·Granted Dec 10, 2002·4 cites·12 claims
- 3461US4412696ADoor handle device for an automotive vehicleNISSAN MOTOR·Filed 1981·Granted Nov 1, 1983·21 cites·7 claims
- 3560US5028195AHorizontal/vertical conversion transporting apparatusTEL SAGAMI LTD·Filed 1990·Granted Jul 2, 1991·32 cites·6 claims
- 3658US5676757ADecompression containerTOKYO ELECTRON LTD·Filed 1996·Granted Oct 14, 1997·23 cites·2 claims
- 3757US6878294B2Running method and treatment system for spiral wound membrane element and spiral wound membrane moduleNITTO DENKO CORP·Filed 2001·Granted Apr 12, 2005·6 cites·13 claims
- 3855US9186633B2Method for producing porous thermosetting resin sheet, porous thermosetting resin sheet and composite semipermeable membrane using sameHARADA NORIAKI·Filed 2009·Granted Nov 17, 2015·1 cites·21 claims
- 3955US6861000B2Running method and washing method for spiral wound membrane element and spiral wound membrane moduleNITTO DENKO CORP·Filed 2001·Granted Mar 1, 2005·5 cites·22 claims
- 4055US5671201APulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical discPIONEER ELECTRONIC CORP·Filed 1996·Granted Sep 23, 1997·10 cites·16 claims
- 4153US9524946B2Electronic deviceMURATA MANUFACTURING CO·Filed 2014·Granted Dec 20, 2016·0 cites·17 claims
- 4252US7998348B2Spiral membrane element and process for producing the sameNITTO DENKO CORP·Filed 2007·Granted Aug 16, 2011·0 cites·9 claims
- 4351US6462893B1Lens driving apparatus for disk playerPIONEER CORP·Filed 2000·Granted Oct 8, 2002·1 cites·19 claims
- 4451US5646921AMethod and apparatus for reproducing information recorded on CLV disc type record mediumPIONEER ELECTRONIC CORP·Filed 1995·Granted Jul 8, 1997·10 cites·26 claims
- 4551US5236295AArm apparatus for conveying semiconductor wafer and processing system using sameTEL SAGAMI LTD·Filed 1992·Granted Aug 17, 1993·21 cites·16 claims
- 4651US5163832AVertical heat-treating apparatusTEL SAGAMI LTD·Filed 1990·Granted Nov 17, 1992·14 cites·7 claims
- 4750US2011266210A1Spiral membrane element and process for producing the sameCHIKURA SHINICHI·Filed 2011·Application pending·0 cites
- 4848US6262964B1Disc player with objective lens arranged in a zigzag patternPIONEER ELECTRONIC CORP·Filed 1999·Granted Jul 17, 2001·5 cites·9 claims
- 4948USD323332SHandling arm for boats for thermal treatment of semiconductor wafersTEL SAGAMI LTD·Filed 1989·Granted Jan 21, 1992·5 cites·1 claims
- 5047US5677904ADisc playerPIONEER ELECTRONIC CORP·Filed 1995·Granted Oct 14, 1997·5 cites·12 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →