Inventor · disambiguated record
Yuji Ichikawa
Also filed as: ICHIKAWA YUJI
16 granted patents·2 pending applications·351 citations·filing 1989–2006
94Inventor score
Top patents by PatentIndex Score
18 records- 0187US6090718ADry etching method for semiconductor substrateDENSO CORP·Filed 1997·Granted Jul 18, 2000·96 cites·44 claims
- 0279US6554490B1Electronic apparatus having communication function using detachable communication cable, capable of reducing power consumption and stable operationSHARP KK·Filed 2000·Granted Apr 29, 2003·22 cites·18 claims
- 0378US6804205B1Method and apparatus for transmitting packet for synchronization using half duplex transmission mediumSHARP KK·Filed 2000·Granted Oct 12, 2004·15 cites·19 claims
- 0474US5714408AMethod of forming silicon nitride with varied hydrogen concentrationDENSO CORP·Filed 1996·Granted Feb 3, 1998·33 cites·11 claims
- 0573US6980616B1Transmission method and deviceSHARP KK·Filed 2000·Granted Dec 27, 2005·20 cites·17 claims
- 0667US6802030B2Data transfer methodSHARP KK·Filed 2001·Granted Oct 5, 2004·11 cites·8 claims
- 0765US7177283B2Transmitting and receiving circuit and transmitting and receiving methodSHARP KK·Filed 2002·Granted Feb 13, 2007·10 cites·19 claims
- 0865US4947325ADiagnostic system for rotational speed sensors in drive train of four wheels drive vehicle having central differential deviceTOYOTA MOTOR CO LTD·Filed 1989·Granted Aug 7, 1990·20 cites·5 claims
- 0963US7333518B2Transmission method and transmission system as well as communications deviceSHARP KK·Filed 2001·Granted Feb 19, 2008·8 cites·18 claims
- 1060US5013888ASelf-cleaning plate shaped deviceAISIN SEIKI·Filed 1989·Granted May 7, 1991·19 cites·5 claims
- 1159US5585952ACommunication apparatus automatically selecting one of two operation modesSHARP KK·Filed 1995·Granted Dec 17, 1996·48 cites·12 claims
- 1258US7374427B2Coaxial cable distributorURO DENSHI KOGYO KK·Filed 2003·Granted May 20, 2008·10 cites·2 claims
- 1352US5684830ANoise removing device and data communication apparatus using the sameSHARP KK·Filed 1994·Granted Nov 4, 1997·20 cites·49 claims
- 1446US5783772ALeakage radiation preventing elementURO DENSHI KOGYO KK·Filed 1996·Granted Jul 21, 1998·12 cites·11 claims
- 1543US7394771B2Apparatus and method for data communication including establishing communication using tone signalSHARP KK·Filed 2002·Granted Jul 1, 2008·0 cites·16 claims
- 1643US2006075459A1Data distribution device capable of distributing a contentICHIKAWA YUJI·Filed 2003·Application pending·0 cites
- 1742US6137156ASemiconductor device employing silicon nitride layers with varied hydrogen concentrationDENSO CORP·Filed 1998·Granted Oct 24, 2000·7 cites·31 claims
- 1835US2007035372A1Surface mount transformerISHIKAWA ASAO·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →