Inventor · disambiguated record
Akio Ozawa
Also filed as: ITO HIDEO · OZAWA AKIO
25 granted patents·1 pending application·267 citations·filing 1977–2013
96Inventor score
Top patents by PatentIndex Score
26 records- 0185US5144718ADoor pull with mounting fittingsYKK ARCHITECTURAL·Filed 1991·Granted Sep 8, 1992·63 cites·2 claims
- 0279US4092693ATemperature sensing protection circuit for ic power chip having thermal hysteresis characteristicPIONEER ELECTRONIC CORP·Filed 1977·Granted May 30, 1978·17 cites·6 claims
- 0376USD317472SVoice changing amusement microphoneTOMY CO LTD·Filed 1989·Granted Jun 11, 1991·16 cites·1 claims
- 0476US4540951AAmplifier circuitPIONEER ELECTRONIC CORP·Filed 1983·Granted Sep 10, 1985·16 cites·10 claims
- 0575US5825248ALow power consuming balanced transformer less amplifier devicePIONEER ELECTRONIC CORP·Filed 1996·Granted Oct 20, 1998·37 cites·18 claims
- 0672US8622621B2Rolling bearing apparatus, manufacture method thereof, and hard disk apparatusKOSAKA TAKAYUKI·Filed 2012·Granted Jan 7, 2014·3 cites·14 claims
- 0772US7681360B2Sash window assemblyYKK CORP AMERICA·Filed 2006·Granted Mar 23, 2010·5 cites·11 claims
- 0867US7276968B2Class D amplifierPIONEER CORP·Filed 2005·Granted Oct 2, 2007·7 cites·3 claims
- 0963US8322079B2Sash windowsDANIELS JOHN PATRICK·Filed 2010·Granted Dec 4, 2012·5 cites·1 claims
- 1062US7856757B2Sash window assemblyYKK ARCHITECTURAL·Filed 2007·Granted Dec 28, 2010·7 cites·4 claims
- 1161US8786981B2Bearing device, method of manufacturing bearing device, and information recording/reproducing apparatusSEIKO INSTR INC·Filed 2013·Granted Jul 22, 2014·1 cites·8 claims
- 1260US4433305AAmplifier circuitPIONEER ELECTRONIC CORP·Filed 1980·Granted Feb 21, 1984·9 cites·7 claims
- 1360US4180750ATransistor switching circuit with shortened response timePIONEER ELECTRONIC CORP·Filed 1978·Granted Dec 25, 1979·8 cites·5 claims
- 1457US6993203B2Image processing apparatus and image processing programFUJITSU LTD·Filed 2002·Granted Jan 31, 2006·7 cites·5 claims
- 1556US4127743AMuting circuit for loudspeakerPIONEER ELECTRONIC CORP·Filed 1978·Granted Nov 28, 1978·13 cites·6 claims
- 1648US7092533B1BTL amplifier apparatusPIONEER CORP·Filed 1999·Granted Aug 15, 2006·12 cites·3 claims
- 1747US6587566B2Sound field forming circuit and sound field forming apparatusPIONEER CORP·Filed 2001·Granted Jul 1, 2003·1 cites·3 claims
- 1844US7239046B2Electric power supply unit and electric power supply controlling methodPIONEER CORP·Filed 2003·Granted Jul 3, 2007·3 cites·8 claims
- 1944US5173072ATravelling toy vehicle with simulated startup vibrationTOMY CO LTD·Filed 1991·Granted Dec 22, 1992·11 cites·10 claims
- 2044US4198578ATransistor switching circuits with shortened response timesPIONEER ELECTRONIC CORP·Filed 1978·Granted Apr 15, 1980·4 cites·3 claims
- 2144US2006017748A1Apparatus for displaying cross-sectional image and computer productFUJITSU LTD·Filed 2005·Application pending·0 cites
- 2241US6424210B1Isolator circuitPIONEER CORP·Filed 2001·Granted Jul 23, 2002·4 cites·5 claims
- 2339US5886506APower supply circuitPIONEER ELECTRONIC CORP·Filed 1997·Granted Mar 23, 1999·6 cites·3 claims
- 2432US6191962B1Step-up power supply circuit and semiconductor integrated circuit devicePIONEER CORP·Filed 1999·Granted Feb 20, 2001·6 cites·21 claims
- 2531US6201718B1Step-up power supply circuit and integrated circuit devicePIONEER CORP·Filed 1999·Granted Mar 13, 2001·5 cites·12 claims
- 2629US4356455AAmplifierPIONEER ELECTRONIC CORP·Filed 1980·Granted Oct 26, 1982·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →