Inventor · disambiguated record
Norio Yokozawa
Also filed as: MAIO KENJI · SHIBAYAMA AKINORI · YOKOZAWA NORIO
15 granted patents·326 citations·filing 1975–1992
94Inventor score
Top patents by PatentIndex Score
15 records- 0189US4392219AMethod and device for recording and reproducing tracking informationHITACHI LTD·Filed 1981·Granted Jul 5, 1983·33 cites·10 claims
- 0288US4389711ATouch sensitive tablet using force detectionHITACHI LTD·Filed 1980·Granted Jun 21, 1983·100 cites·11 claims
- 0383US4449180ASequence program inputting deviceHITACHI LTD·Filed 1982·Granted May 15, 1984·49 cites·8 claims
- 0483US4381495ADigital-to-analog converter with error compensationHITACHI LTD·Filed 1980·Granted Apr 26, 1983·34 cites·6 claims
- 0581US4282551APCM Recording and reproducing apparatusHITACHI LTD·Filed 1980·Granted Aug 4, 1981·23 cites·7 claims
- 0674US4316178ADigital-to-analog conversion system with compensation circuitNIPPON TELEGRAPH & TELEPHONE·Filed 1980·Granted Feb 16, 1982·23 cites·7 claims
- 0762US4051457ASystem for generating a character patternHITACHI LTD·Filed 1976·Granted Sep 27, 1977·12 cites·9 claims
- 0856US4132085AControl apparatus including an electronic timerHITACHI LTD·Filed 1976·Granted Jan 2, 1979·12 cites·27 claims
- 0947US4161700AAnalog comparatorHITACHI LTD·Filed 1977·Granted Jul 17, 1979·9 cites·8 claims
- 1042US4293819AHigh-speed low-drift operational amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1979·Granted Oct 6, 1981·4 cites·5 claims
- 1140US5318034AElectrically adjustable delay circuit and ultrasonic diagnosis apparatusHITACHI MEDICAL CORP·Filed 1992·Granted Jun 7, 1994·11 cites·13 claims
- 1239US4106100ADigital differential analyzerHITACHI LTD·Filed 1977·Granted Aug 8, 1978·9 cites·14 claims
- 1334US4680498AInput circuit in ultrasonic apparatusHITACHI LTD·Filed 1986·Granted Jul 14, 1987·3 cites·6 claims
- 1432US4197486AControl system for deflecting an electron beamHITACHI LTD·Filed 1977·Granted Apr 8, 1980·2 cites·8 claims
- 1530US4035033AAnti-skid control systemHITACHI LTD·Filed 1975·Granted Jul 12, 1977·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →