Inventor · disambiguated record
Iwao Aizawa
Also filed as: AIZAWA IWAO
31 granted patents·3 pending applications·916 citations·filing 1975–2007
98Inventor score
Top patents by PatentIndex Score
34 records- 0195US5903706AImager apparatus with rotatable camera headHITACHI LTD·Filed 1995·Granted May 11, 1999·245 cites·26 claims
- 0291US6677989B1Imaging and recording apparatusHITACHI LTD·Filed 2000·Granted Jan 13, 2004·47 cites·1 claims
- 0390US5808672AApparatus for removably mounting an electronic camera to a computer systemHITACHI LTD·Filed 1997·Granted Sep 15, 1998·130 cites·25 claims
- 0483US5539535APortable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external requestHITACHI LTD·Filed 1994·Granted Jul 23, 1996·38 cites·22 claims
- 0580US4835617AImage pickup device for television cameras having a shutter function for a photodiode matrix operated using MOS switchesHITACHI LTD·Filed 1987·Granted May 30, 1989·37 cites·6 claims
- 0676US7346579B2Electronic purse application system and method thereofHITACHI LTD·Filed 2001·Granted Mar 18, 2008·9 cites·18 claims
- 0771US6081350AImaging and recording apparatusHITACHI LTD·Filed 1998·Granted Jun 27, 2000·24 cites·21 claims
- 0870US6345263B1Electronic purse application system and method thereofHITACHI LTD·Filed 1997·Granted Feb 5, 2002·112 cites·8 claims
- 0968US5748238AVideo cameraHITACHI LTD·Filed 1996·Granted May 5, 1998·30 cites·8 claims
- 1068US4517587ASynchronizing signal generating circuit for solid-state color video cameraHITACHI LTD·Filed 1982·Granted May 14, 1985·17 cites·4 claims
- 1167US6167467AInformation reception and recording circuitHITACHI LTD·Filed 1999·Granted Dec 26, 2000·23 cites·17 claims
- 1266US4044381AAutomatic waveform equalizing system for television receiverHITACHI LTD·Filed 1975·Granted Aug 23, 1977·18 cites·4 claims
- 1362US5121265AMagnetic recording and reproducing apparatusHITACHI LTD·Filed 1989·Granted Jun 9, 1992·14 cites·15 claims
- 1461US6588667B1Data reading apparatusKONISHIROKU PHOTO IND·Filed 2000·Granted Jul 8, 2003·6 cites·9 claims
- 1557US7304669B2Imaging and recording apparatusHITACHI LTD·Filed 2003·Granted Dec 4, 2007·2 cites·8 claims
- 1657US6282293B1System and method for charging fee for video informationHITACHI LTD·Filed 1995·Granted Aug 28, 2001·27 cites·73 claims
- 1757US5790274AImaging and recording apparatusHITACHI LTD·Filed 1997·Granted Aug 4, 1998·12 cites·11 claims
- 1857US4698601APhase locked loopHITACHI LTD·Filed 1986·Granted Oct 6, 1987·13 cites·14 claims
- 1956US5793517AImaging and recording apparatusHITACHI LTD·Filed 1997·Granted Aug 11, 1998·11 cites·8 claims
- 2055US5664220AInformation transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requestsHITACHI LTD·Filed 1994·Granted Sep 2, 1997·12 cites·16 claims
- 2155US5565919AVideo camera/VTR and camera station with opto-electronic link between camera/VTR and camera stationHITACHI LTD·Filed 1993·Granted Oct 15, 1996·13 cites·12 claims
- 2255US5432650AMagnetic tape recording/reproducing apparatus having automatic mode controlHITACHI LTD·Filed 1992·Granted Jul 11, 1995·11 cites·1 claims
- 2353US8314858B2Imaging and recording apparatus controlling erasure of data in flash type memoryAIZAWA IWAO·Filed 2007·Granted Nov 20, 2012·0 cites·1 claims
- 2453US5801847AImaging and recording apparatusHITACHI LTD·Filed 1997·Granted Sep 1, 1998·10 cites·24 claims
- 2552US5938741AInformation transmission/reception system for transmitting information to requesters, where it is recorded, in response to a plurality of requestsHITACHI LTD·Filed 1997·Granted Aug 17, 1999·12 cites·31 claims
- 2652US5699173APortable electronic still camera recording optical images of subjects in a memory which facilitates memory access from an external requestHITACHI LTD·Filed 1995·Granted Dec 16, 1997·9 cites·46 claims
- 2746US4745480ASolid-state image pick-up device having an arrangement to avoid adverse effects on the waveform of picture elements signal by the read-out start pulseHITACHI LTD·Filed 1986·Granted May 17, 1988·8 cites·9 claims
- 2846US2003206632A1System and method for charging fee for video informationFiled 2001·Application pending·0 cites
- 2945US6205286B1Image pickup apparatus having image information compressing functionHITACHI LTD·Filed 1997·Granted Mar 20, 2001·10 cites·82 claims
- 3043US2002063889A1Printing system, image capturing apparatus, print service reception processing apparatus, print service administration apparatus, print processing apparatus, memory media, print service method, print service reception processing method, print service administration method and print processing methodFiled 2001·Application pending·0 cites
- 3140US5170253ASubtitling apparatus with memory control codes interspersed with graphic dataHITACHI LTD·Filed 1991·Granted Dec 8, 1992·9 cites·1 claims
- 3240US2002145752A1Image processing systemFiled 2002·Application pending·0 cites
- 3339US5351154AMagnetic recording and reproducing apparatusHITACHI LTD·Filed 1991·Granted Sep 27, 1994·4 cites·10 claims
- 3433US5528433AWide picture video recording/reproducing systemHITACHI LTD·Filed 1991·Granted Jun 18, 1996·3 cites·6 claims
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