Inventor · disambiguated record
Yuichi Ishikawa
Also filed as: ISHIKAWA YUICHI · KIMURA HIDEYUKI
79 granted patents·17 pending applications·1,192 citations·filing 1976–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD25HITACHI LTD20ALAXALA NETWORKS CORP8ISHIKAWA YUICHI8NEC CORP8
Top patents by PatentIndex Score
96 records- 0191US6690388B2PDP display drive pulse controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 10, 2004·40 cites·18 claims
- 0290US7840699B2Name resolution server and packet transfer deviceNEC CORP·Filed 2004·Granted Nov 23, 2010·76 cites·10 claims
- 0390US6331843B1Display apparatus capable of adjusting the number of subframes to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 18, 2001·69 cites·8 claims
- 0490US4987367AMethod and apparatus for predicting deterioration of a member constituting a part of equipmentHITACHI LTD·Filed 1989·Granted Jan 22, 1991·31 cites·18 claims
- 0589US7286535B2Device for flow classifying and packet forwarding device with flow classify functionHITACHI LTD·Filed 2002·Granted Oct 23, 2007·58 cites·11 claims
- 0689US6965358B1Apparatus and method for making a gray scale display with subframesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 15, 2005·41 cites·32 claims
- 0789US6388678B1Plasma display panel drive pulse controllerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 14, 2002·83 cites·17 claims
- 0888US11440110B2Machining apparatus and machining methodSUBARU CORP·Filed 2019·Granted Sep 13, 2022·4 cites·21 claims
- 0987US8356169B2Encryption communication system, apparatus and method for allowing direct encryption communication with a plurality of nodesNEC CORP·Filed 2005·Granted Jan 15, 2013·18 cites·53 claims
- 1087US7787442B2Communication statistic information collection apparatusHITACHI LTD·Filed 2005·Granted Aug 31, 2010·17 cites·2 claims
- 1187US7012890B2Packet forwarding apparatus with packet controlling functionsHITACHI LTD·Filed 2001·Granted Mar 14, 2006·43 cites·18 claims
- 1287US6795123B2Interpolation apparatus, and video signal processing apparatus including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 21, 2004·39 cites·20 claims
- 1387US6400346B2Display apparatus capable of adjusting subfield number according to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 4, 2002·21 cites·8 claims
- 1487US6388645B2Display apparatus capable of adjusting subfield number according to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 14, 2002·22 cites·9 claims
- 1586US11338446B2Machining robot and machining methodSUBARU CORP·Filed 2017·Granted May 24, 2022·4 cites·19 claims
- 1685US6812932B2Detector for detecting pseudo-contour noise and display apparatus using the detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 2, 2004·24 cites·19 claims
- 1784US6351253B2Display apparatus capable of adjusting subfield number according to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Feb 26, 2002·17 cites·11 claims
- 1883US7969976B2Gateway apparatus, packet forwarding method, and programNEC CORP·Filed 2008·Granted Jun 28, 2011·11 cites·33 claims
- 1983US6414660B1Display device and method of controlling its brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 2, 2002·15 cites·8 claims
- 2081US6509884B2Display device and luminance control method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 21, 2003·12 cites·13 claims
- 2181US4896357AIndustrial playback robot having a teaching mode in which teaching data are given by speechTOKICO LTD·Filed 1987·Granted Jan 23, 1990·56 cites·7 claims
- 2280US7031313B2Packet transfer apparatus with the function of flow detection and flow management methodHITACHI LTD·Filed 2002·Granted Apr 18, 2006·25 cites·15 claims
- 2379US6441803B1Display device and luminance control method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 27, 2002·11 cites·8 claims
- 2479US6414657B1Detector for detecting pseudo-contour noise and display apparatus using the detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 2, 2002·45 cites·19 claims
- 2579US6384803B2Display apparatus capable of adjusting subfield number according to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 7, 2002·12 cites·8 claims
- 2679US6380943B1Color display apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 30, 2002·53 cites·6 claims
- 2778US8583912B2Communication system of client terminals and relay server and communication methodISHIKAWA YUICHI·Filed 2007·Granted Nov 12, 2013·9 cites·15 claims
- 2878US7774592B2Encrypted communication methodNEC CORP·Filed 2004·Granted Aug 10, 2010·25 cites·44 claims
- 2978US7420917B2Bandwidth policing method and packet transfer apparatus with bandwidth policing functionHITACHI LTD·Filed 2004·Granted Sep 2, 2008·23 cites·12 claims
- 3076US9132514B2Solder powder and method of producing solder powderISHIKAWA YUICHI·Filed 2010·Granted Sep 15, 2015·2 cites·8 claims
- 3176US6353424B2Display apparatus capable of adjusting subfield number according to brightnessMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 5, 2002·10 cites·11 claims
- 3275US7773600B2Device for flow classifying and packet forwarding device with flow classify functionHITACHI LTD·Filed 2007·Granted Aug 10, 2010·5 cites·10 claims
- 3374US7154849B2Packet forwarding apparatus with packet controlling functionsHITACHI LTD·Filed 2006·Granted Dec 26, 2006·4 cites·7 claims
- 3473US5414356AFluxmeter including squid and pickup coil with flux guiding core and method for sensing degree of deterioration of an objectHITACHI LTD·Filed 1991·Granted May 9, 1995·41 cites·38 claims
- 3573US4946613APhotosetting ferrofluid compositionsNIPPON SEIKO KK·Filed 1988·Granted Aug 7, 1990·22 cites·5 claims
- 3672US9350669B2Network apparatus, performance control method, and network systemHITACHI LTD·Filed 2014·Granted May 24, 2016·3 cites·9 claims
- 3770US9210063B2Bandwidth policing apparatus and packet relay apparatusISHIKAWA YUICHI·Filed 2012·Granted Dec 8, 2015·3 cites·14 claims
- 3870US6492965B2Display device and luminance control method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 10, 2002·6 cites·9 claims
- 3969US7522602B2Packet transfer apparatus with the function of flow detection and flow management methodHITACHI LTD·Filed 2006·Granted Apr 21, 2009·3 cites·5 claims
- 4069US6462721B2PDP display drive pulse controller for preventing light emission center fluctuationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 8, 2002·9 cites·11 claims
- 4167US7653062B2Packet forwarding apparatus with packet controlling functionsHITACHI LTD·Filed 2006·Granted Jan 26, 2010·2 cites·9 claims
- 4265US7397765B2Bandwidth monitoring deviceHITACHI LTD·Filed 2004·Granted Jul 8, 2008·11 cites·16 claims
- 4364US2025264593A1Object determination apparatus and object determination methodPANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 4463US7594029B2System and method for external resolution of packet transfer informationNEC CORP·Filed 2003·Granted Sep 22, 2009·7 cites·8 claims
- 4563US2025108582A1Resin composition, prepreg, film with resin, sheet of metal foil with resin, metal-clad laminate, and printed wiring boardPANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 4662US9667548B2Relay apparatus and relay methodALAXALA NETWORKS CORP·Filed 2014·Granted May 30, 2017·2 cites·9 claims
- 4762US9356864B2Packet transfer apparatus and packet relay methodALAXALA NETWORKS CORP·Filed 2014·Granted May 31, 2016·2 cites·10 claims
- 4862US7826392B2Advertisement search agentNEC CORP·Filed 2007·Granted Nov 2, 2010·2 cites·17 claims
- 4962US7788714B2Packet transfer apparatusALAXALA NETWORKS CORP·Filed 2008·Granted Aug 31, 2010·2 cites·18 claims
- 5060US7792033B2Bandwidth policing method and packet transfer apparatus with bandwidth policing functionHITACHI LTD·Filed 2008·Granted Sep 7, 2010·1 cites·7 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →