Inventor · disambiguated record
Akihiro Asada
Also filed as: ASADA AKIHIRO · FUKUSHIMA ISAO
46 granted patents·2 pending applications·679 citations·filing 1976–2018
98Inventor score
Top patents by PatentIndex Score
48 records- 0192US6654328B2Information recording/reproducing apparatus with laser driverHITACHI LTD·Filed 2002·Granted Nov 25, 2003·27 cites·6 claims
- 0292US6442118B1Information recording and reproducing apparatus having semiconductor laser drive circuitry in its pickupHITACHI LTD·Filed 2000·Granted Aug 27, 2002·38 cites·15 claims
- 0390US6687208B2Laser drive integrated circuit and optical disk apparatus using the sameHITACHI LTD·Filed 2002·Granted Feb 3, 2004·24 cites·6 claims
- 0490US6487154B1Laser drive unit and information recording/reproducing apparatusHITACHI LTD·Filed 2000·Granted Nov 26, 2002·32 cites·10 claims
- 0590US6483791B1Laser drive integrated circuit and optical disk apparatus using the sameHITACHI LTD·Filed 1999·Granted Nov 19, 2002·52 cites·21 claims
- 0690US6414932B1Information recording/reproducing apparatus with laser driverHITACHI LTD·Filed 1999·Granted Jul 2, 2002·48 cites·3 claims
- 0790US4435832ASpeech synthesizer having speech time stretch and compression functionsHITACHI LTD·Filed 1980·Granted Mar 6, 1984·94 cites·14 claims
- 0889US6721261B2Information recording/reproducing apparatus with laser driverHITACHI LTD·Filed 2002·Granted Apr 13, 2004·20 cites·10 claims
- 0988US6636472B2Laser drive unit and information recording/reproducing apparatusHITACHI LTD·Filed 2002·Granted Oct 21, 2003·26 cites·10 claims
- 1087US6674702B2Laser drive integrated circuit and optical disk apparatus using the sameHITACHI LTD·Filed 2002·Granted Jan 6, 2004·18 cites·20 claims
- 1187US4039981AVariable impedance circuitHITACHI LTD·Filed 1976·Granted Aug 2, 1977·26 cites·10 claims
- 1286US7298681B2High-frequency superimposing method and optical disk apparatus using itHITACHI LTD·Filed 2006·Granted Nov 20, 2007·4 cites·8 claims
- 1383US7038989B2High-frequency superimposing method and optical disk apparatus using itHITACHI LG DATA STORAGE INC·Filed 2002·Granted May 2, 2006·10 cites·7 claims
- 1483US4401971AAlarm device for a vehicle including priority control for plural alarm conditionsHITACHI LTD·Filed 1981·Granted Aug 30, 1983·105 cites·6 claims
- 1580US7573797B2High-frequency superimposing method and optical disk apparatus using itHITACHI LTD·Filed 2007·Granted Aug 11, 2009·2 cites·6 claims
- 1677USD527743SHood portion of an agricultural tractorKUBOTA KK·Filed 2004·Granted Sep 5, 2006·21 cites·1 claims
- 1777US6954410B2Information recording and reproducing apparatus for updating the waveform of a laser based on position informationHITACHI LTD·Filed 2002·Granted Oct 11, 2005·10 cites·9 claims
- 1877US6810050B2Laser driver, optical disk apparatus using the same, and laser control methodHITACHI LTD·Filed 2001·Granted Oct 26, 2004·10 cites·14 claims
- 1975US9654747B2Scanning projectors that use multiple pulses per pixel period to reduce color shifts, and methods and controllers for use therewithIntersil Americas LLC·Filed 2015·Granted May 16, 2017·2 cites·20 claims
- 2075US6318530B1Pressure control apparatus and method for controlling a hydraulic clutch deviceKUBOTA KK·Filed 2000·Granted Nov 20, 2001·13 cites·4 claims
- 2174US6552987B1Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operationHITACHI LTD·Filed 1999·Granted Apr 22, 2003·25 cites·13 claims
- 2266US2009268591A1High-frequency superimposing method and optical disk apparatus using itHITACHI LTD·Filed 2009·Application pending·0 cites
- 2363US7570564B2High-frequency superimposing method and optical disk apparatus using itHITACHI LTD·Filed 2007·Granted Aug 4, 2009·0 cites·2 claims
- 2463US7570565B2High-frequency superimposing method and optical disk apparatus using itHITACHI LTD·Filed 2007·Granted Aug 4, 2009·0 cites·2 claims
- 2562US8018809B2Hybrid laser diode driversINTERSIL INC·Filed 2008·Granted Sep 13, 2011·0 cites·27 claims
- 2662US7813247B2Hybrid laser diode drivers that include a decoderINTERSIL INC·Filed 2007·Granted Oct 12, 2010·0 cites·16 claims
- 2762US7808872B2Hybrid laser diode drivers that include a state machineINTERSIL INC·Filed 2007·Granted Oct 5, 2010·0 cites·21 claims
- 2858US10988185B2Fender support structure and work vehicle including sameKUBOTA KK·Filed 2018·Granted Apr 27, 2021·2 cites·17 claims
- 2957US7905811B2Speed changing structure for work vehicleKUBOTA KK·Filed 2007·Granted Mar 15, 2011·2 cites·7 claims
- 3057US4256980AElectronic switchover circuitHITACHI LTD·Filed 1978·Granted Mar 17, 1981·9 cites·3 claims
- 3153US8169871B2Hybrid laser diode drivers that include a state machineREES THEODORE D·Filed 2010·Granted May 1, 2012·0 cites·33 claims
- 3253US8064321B2Hybrid laser diode drivers that include a decoderREES THEODORE D·Filed 2010·Granted Nov 22, 2011·0 cites·22 claims
- 3353US2005180280A1Information recording and reproducing apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 3452US5651289ADrive transmission system for working vehicleKUBOTA KK·Filed 1995·Granted Jul 29, 1997·15 cites·8 claims
- 3551US8094533B2Hybrid laser diode driversREES THEODORE D·Filed 2011·Granted Jan 10, 2012·0 cites·20 claims
- 3648US4179650AVariable impedance circuitsHITACHI LTD·Filed 1977·Granted Dec 18, 1979·6 cites·7 claims
- 3747US7499478B2Laser driver, optical disk apparatus using the same, and laser control methodHITACHI LTD·Filed 2004·Granted Mar 3, 2009·0 cites·3 claims
- 3845US7575081B2Work vehicleKUBOTA KK·Filed 2004·Granted Aug 18, 2009·4 cites·11 claims
- 3945US7492686B2Flexible multipulse generatorINTERSIL INC·Filed 2005·Granted Feb 17, 2009·0 cites·16 claims
- 4044US4302833AAutomatic record size detectorHITACHI LTD·Filed 1979·Granted Nov 24, 1981·5 cites·8 claims
- 4143US9503701B2Scanning projectors that use guard bands to reduce color shifts, and methods and controllers for use therewithIntersil Americas LLC·Filed 2015·Granted Nov 22, 2016·0 cites·23 claims
- 4243US4794209APosition coordinate determining apparatusHITACHI LTD·Filed 1987·Granted Dec 27, 1988·12 cites·20 claims
- 4341US6831885B2Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operationHITACHI LTD·Filed 2003·Granted Dec 14, 2004·0 cites·19 claims
- 4436USD538306SFront grill portion of an agricultural tractorKUBOTA KK·Filed 2004·Granted Mar 13, 2007·2 cites·1 claims
- 4535US6241066B1Working vehicleKUBOTA KK·Filed 1999·Granted Jun 5, 2001·6 cites·20 claims
- 4632US4390747ASpeech analyzerHITACHI LTD·Filed 1980·Granted Jun 28, 1983·5 cites·3 claims
- 4728US8807265B2TractorASADA AKIHIRO·Filed 2012·Granted Aug 19, 2014·0 cites·5 claims
- 4827US4349699ASpeech synthesizerNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Sep 14, 1982·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →