Inventor · disambiguated record
Hidetoshi Aizawa
Also filed as: AIZAWA HIDETOSHI
8 granted patents·206 citations·filing 1982–2001
89Inventor score
Top patents by PatentIndex Score
8 records- 0191US6123329APaper feeder and paper tray elevation device thereforTOHOKU RIKO KK·Filed 1998·Granted Sep 26, 2000·67 cites·20 claims
- 0289US6380796B2Semiconductor power converting apparatusHITACHI LTD·Filed 2001·Granted Apr 30, 2002·60 cites·5 claims
- 0369US6490182B2Power conversion apparatusHITACHI LTD·Filed 2001·Granted Dec 3, 2002·23 cites·22 claims
- 0455US6242968B1Semiconductor power converting apparatusHITACHI LTD·Filed 2000·Granted Jun 5, 2001·6 cites·14 claims
- 0553US5424937AGate drive power source for electric power converterHITACHI LTD·Filed 1993·Granted Jun 13, 1995·21 cites·9 claims
- 0652US6305281B1Stencil printer having controller for discharge tray and master making meansTOHOKU RIKO KK·Filed 1999·Granted Oct 23, 2001·16 cites·29 claims
- 0736US5438347AMaster making device for a stencil printerRICOH KK·Filed 1993·Granted Aug 1, 1995·10 cites·6 claims
- 0833US4455599APulse width modulation inverterHITACHI LTD·Filed 1982·Granted Jun 19, 1984·3 cites·4 claims
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