Inventor · disambiguated record
Kenji Maio
Also filed as: MAIO KENJI · SHIBAYAMA AKINORI
30 granted patents·3 pending applications·589 citations·filing 1976–2010
97Inventor score
Files withHITACHI LTD21NIPPON TELEGRAPH & TELEPHONE3NISSAN MOTOR2OSHIKI MITSUHIRO2ASAFUSA KATSUNORI1
Top patents by PatentIndex Score
33 records- 0194US4875048ATwo-step parallel analog to digital converterHITACHI LTD·Filed 1988·Granted Oct 17, 1989·88 cites·9 claims
- 0292US4340882AD/A Conversion system with compensation circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Jul 20, 1982·46 cites·8 claims
- 0390US6509854B1DA conversion circuitHITACHI LTD·Filed 1999·Granted Jan 21, 2003·114 cites·17 claims
- 0484US7005922B2Variable gain amplifier circuit and gain control method thereofHITACHI LTD·Filed 2004·Granted Feb 28, 2006·26 cites·10 claims
- 0583US4381495ADigital-to-analog converter with error compensationHITACHI LTD·Filed 1980·Granted Apr 26, 1983·34 cites·6 claims
- 0682US6927628B2Gain-control method and device for cascaded amplifiersRENESAS TECH CORP·Filed 2003·Granted Aug 9, 2005·21 cites·12 claims
- 0777US4125825ASystem for detecting a failure in a vehicle velocity detector and a wheel velocity detectorNISSAN MOTOR·Filed 1976·Granted Nov 14, 1978·14 cites·7 claims
- 0875US4752766AAnalog to digital converterHITACHI LTD·Filed 1987·Granted Jun 21, 1988·27 cites·8 claims
- 0975US4578646AIntegral-type small signal input circuitHITACHI LTD·Filed 1984·Granted Mar 25, 1986·29 cites·6 claims
- 1074US4316178ADigital-to-analog conversion system with compensation circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Feb 16, 1982·23 cites·7 claims
- 1173US4982095AMulti-element type radiation detectorHITACHI LTD·Filed 1988·Granted Jan 1, 1991·29 cites·3 claims
- 1272US6734730B2Variable gain amplifierHITACHI LTD·Filed 2002·Granted May 11, 2004·13 cites·20 claims
- 1371US6717471B2Automatic gain adjustment circuit and amplifier using the sameHITACHI LTD·Filed 2002·Granted Apr 6, 2004·13 cites·11 claims
- 1469US5041729ARadiation detector and manufacturing process thereofHITACHI LTD·Filed 1988·Granted Aug 20, 1991·26 cites·12 claims
- 1564US4937579AMethod of converting analog signals into digital signals and system for carrying out the methodHITACHI ELECTRONICS·Filed 1988·Granted Jun 26, 1990·17 cites·14 claims
- 1662US4733088ARadiation detectorHITACHI LTD·Filed 1986·Granted Mar 22, 1988·14 cites·9 claims
- 1761US6573578B2Photo semiconductor integrated circuit device and optical recording reproducing apparatusHITACHI LTD·Filed 2001·Granted Jun 3, 2003·8 cites·1 claims
- 1856US4132085AControl apparatus including an electronic timerHITACHI LTD·Filed 1976·Granted Jan 2, 1979·12 cites·27 claims
- 1953US6867936B2Driving circuit for a magnetic head and magnetic recording apparatusHITACHI LTD·Filed 2001·Granted Mar 15, 2005·2 cites·7 claims
- 2050US2005128619A1Driving circuit for a magnetic head and magnetic recording apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 2148US9022941B2Ultrasonic diagnostic apparatus and carrier signal generating circuitHATAYAMA KANAKO·Filed 2010·Granted May 5, 2015·2 cites·6 claims
- 2244US4851845AEncoderHITACHI LTD·Filed 1988·Granted Jul 25, 1989·8 cites·2 claims
- 2342US4293819AHigh-speed low-drift operational amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Oct 6, 1981·4 cites·5 claims
- 2439US9157990B2Ultrasonic transmitting/receiving circuit and ultrasonic diagnostic apparatusSUZUKI ATSUSHI·Filed 2010·Granted Oct 13, 2015·0 cites·15 claims
- 2537US9007872B2Ultrasonic diagnostic apparatus and method thereofOSHIKI MITSUHIRO·Filed 2010·Granted Apr 14, 2015·0 cites·13 claims
- 2637US4866444AAnalog-to-digital converterHITACHI LTD·Filed 1988·Granted Sep 12, 1989·5 cites·11 claims
- 2736US4752767ADA converterHITACHI LTD·Filed 1985·Granted Jun 21, 1988·5 cites·2 claims
- 2836US4549166ADigital-to-analog converter using a feedback element matching techniqueHITACHI LTD·Filed 1982·Granted Oct 22, 1985·5 cites·4 claims
- 2936US4073545AVehicle brake controlling device for anti-skid control of vehicle wheelsNISSAN MOTOR·Filed 1976·Granted Feb 14, 1978·2 cites·9 claims
- 3035US2003151865A1Electrostatic discharge protection circuitHITACHI LTD·Filed 2002·Application pending·0 cites
- 3134US2012046552A1Ultrasonic diagnostic apparatus, ultrasonic probe, and ultrasonic diagnostic methodOSHIKI MITSUHIRO·Filed 2010·Application pending·0 cites
- 3233US8579823B2Ultrasonic diagnostic apparatus and ultrasonic probe used in sameASAFUSA KATSUNORI·Filed 2010·Granted Nov 12, 2013·0 cites·8 claims
- 3332US4197486AControl system for deflecting an electron beamHITACHI LTD·Filed 1977·Granted Apr 8, 1980·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →