Inventor · disambiguated record
Saburo Oikawa
Also filed as: OIKAWA SABURO
15 granted patents·277 citations·filing 1980–2002
93Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
15 records- 0186US5153702AThin film semiconductor device and method for fabricating the sameHITACHI LTD·Filed 1988·Granted Oct 6, 1992·81 cites·15 claims
- 0279US4514747AField controlled thyristor with double-diffused source regionHITACHI LTD·Filed 1982·Granted Apr 30, 1985·32 cites·12 claims
- 0378US6226059B1Active matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1998·Granted May 1, 2001·45 cites·33 claims
- 0463US5781255AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1996·Granted Jul 14, 1998·25 cites·23 claims
- 0556US5021855AGate turn-off thyristorHITACHI LTD·Filed 1989·Granted Jun 4, 1991·22 cites·20 claims
- 0655US5589962AActive matrix display device using aluminum alloy in scanning signal line or video signal lineHITACHI LTD·Filed 1995·Granted Dec 31, 1996·17 cites·1 claims
- 0752US4626888AGate turn-off thyristorHITACHI LTD·Filed 1983·Granted Dec 2, 1986·11 cites·8 claims
- 0848US4354121AField controlled thyristor control circuit with additional FCT in reverse bias circuitHITACHI LTD·Filed 1981·Granted Oct 12, 1982·10 cites·15 claims
- 0945US4500903ASemiconductor GTO switching device with radially elongated cathode emitter regions of increasing lengthHITACHI LTD·Filed 1982·Granted Feb 19, 1985·8 cites·11 claims
- 1042US4329772AMethod for manufacturing a semiconductor device utilizing selective epitaxial growth and post heat treatingHITACHI LTD·Filed 1980·Granted May 18, 1982·11 cites·6 claims
- 1135US4713679AReverse blocking type semiconductor deviceHITACHI LTD·Filed 1985·Granted Dec 15, 1987·5 cites·10 claims
- 1234US6750477B2Static induction transistorHITACHI LTD·Filed 2002·Granted Jun 15, 2004·0 cites·20 claims
- 1334US4651189ASemiconductor device provided with electrically floating control electrodeHITACHI LTD·Filed 1984·Granted Mar 17, 1987·3 cites·5 claims
- 1433US4646122ASemiconductor device with floating remote gate turn-off meansHITACHI LTD·Filed 1984·Granted Feb 24, 1987·3 cites·7 claims
- 1532US4825270AGate turn-off thyristorHITACHI LTD·Filed 1987·Granted Apr 25, 1989·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →