Inventor · disambiguated record
Isao Ikuta
Also filed as: IKUTA ISAO · ISHIHARA JOO
21 granted patents·8 pending applications·561 citations·filing 1979–2007
96Inventor score
Top patents by PatentIndex Score
29 records- 0197US4950173AService temperature connector and packaging structure of semiconductor device employing the sameHITACHI LTD·Filed 1986·Granted Aug 21, 1990·133 cites·12 claims
- 0293US4743526AAlloy having variable spectral reflectance and information recording material making use of the sameHITACHI LTD·Filed 1985·Granted May 10, 1988·77 cites·8 claims
- 0393US4301855AApparatus for producing metal ribbonHITACHI LTD·Filed 1979·Granted Nov 24, 1981·35 cites·12 claims
- 0483US5572502AOptical disk apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·38 cites·10 claims
- 0583US4773059AInformation recording and reproducing apparatus having recording medium made of alloy which has at least two different crystalline structures in its solid stateHITACHI LTD·Filed 1987·Granted Sep 20, 1988·30 cites·15 claims
- 0681US7418250B2Quadrature mixer circuits and mobile terminal using the sameRENESAS TECH CORP·Filed 2007·Granted Aug 26, 2008·7 cites·4 claims
- 0776US5475656AOptical disk memory and information processing apparatusHITACHI LTD·Filed 1991·Granted Dec 12, 1995·25 cites·23 claims
- 0875US5420845AMethods of varying optical properties, optical devices, information recording media and information recording methods and apparatusesHITACHI LTD·Filed 1992·Granted May 30, 1995·39 cites·27 claims
- 0975US5371730AOptical memory and information processing apparatusHITACHI LTD·Filed 1990·Granted Dec 6, 1994·23 cites·23 claims
- 1075US5187052AOptical recording mediumHITACHI LTD·Filed 1992·Granted Feb 16, 1993·23 cites·5 claims
- 1172US5317556AInformation processing apparatus and optical head incorporated thereinHITACHI LTD·Filed 1990·Granted May 31, 1994·21 cites·29 claims
- 1269US7184739B2Quadrature mixer circuits and mobile terminal using the sameRENESAS TECH CORP·Filed 2003·Granted Feb 27, 2007·9 cites·9 claims
- 1367US7805123B2RF transceiver using hopping frequency synthesizerRENESAS TECH CORP·Filed 2007·Granted Sep 28, 2010·3 cites·8 claims
- 1465US6628361B2Liquid crystal display device and wiring structure thereforHITACHI LTD·Filed 2001·Granted Sep 30, 2003·12 cites·4 claims
- 1564US5484686AOptical recording media and information recording and reproducing unitsHITACHI LTD·Filed 1994·Granted Jan 16, 1996·21 cites·5 claims
- 1663US5583840AROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable diskHITACHI LTD·Filed 1994·Granted Dec 10, 1996·14 cites·36 claims
- 1760US5274612AInformation processor and disk memory used in the sameHITACHI LTD·Filed 1991·Granted Dec 28, 1993·13 cites·12 claims
- 1857US6127210AManufacturing method of CMOS thin film semiconductor device and CMOS thin film semiconductor device manufactured therebyHITACHI LTD·Filed 1996·Granted Oct 3, 2000·25 cites·13 claims
- 1952US7340232B2Receiving system and semiconductor integrated circuit device for processing wireless communication signalRENESAS TECH CORP·Filed 2004·Granted Mar 4, 2008·3 cites·1 claims
- 2048US4726858ARecording materialHITACHI LTD·Filed 1984·Granted Feb 23, 1988·7 cites·38 claims
- 2144US2004105450A1Camera system, camera device, and recording deviceHITACHI LTD·Filed 2003·Application pending·0 cites
- 2242US2004048589A1Radio communication apparatusHITACHI LTD·Filed 2003·Application pending·0 cites
- 2340US2006220757A1Semiconductor integrated circuit for communicationSATAKE KUNITO·Filed 2006·Application pending·0 cites
- 2440US2005147192A1High frequency signal receiver and semiconductor integrated circuitFiled 2004·Application pending·0 cites
- 2540US2006181362A1Voltage-controlled oscillator and RF-ICIKUTA ISAO·Filed 2005·Application pending·0 cites
- 2638US2006128334A1Wireless communication receiverIKUTA ISAO·Filed 2005·Application pending·0 cites
- 2738US2004014450A1Signal receiving apparatus and gain control method using analog control AGC and step control AGCFiled 2003·Application pending·0 cites
- 2832USRE36624EOptical recording media and information recording and reproducing unitsHITACHI LTD·Filed 1998·Granted Mar 21, 2000·3 cites·6 claims
- 2931US2003112382A1Liquid crystal display deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →