Inventor · disambiguated record
Kazuo Ochiai
Also filed as: OCHIAI KAZUO
15 granted patents·1 pending application·492 citations·filing 1974–2024
94Inventor score
Files withNIPPON ELECTRIC CO9OCHIAI KAZUO3ZEXEL VALEO CLIMATE CONTR CORP2D & M HOLDINGS INC1DIAMOND&ZEBRA ELECTRIC MFG CO LTD1
Top patents by PatentIndex Score
16 records- 0193US4097860AOffset compensating circuitNIPPON ELECTRIC CO·Filed 1977·Granted Jun 27, 1978·47 cites·9 claims
- 0292US6666265B1Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchangeZEXEL VALEO CLIMATE CONTR CORP·Filed 2000·Granted Dec 23, 2003·34 cites·7 claims
- 0389US9197959B2Headphone deviceD & M HOLDINGS INC·Filed 2012·Granted Nov 24, 2015·21 cites·11 claims
- 0489US4317208AADPCM System for speech or like signalsNIPPON ELECTRIC CO·Filed 1979·Granted Feb 23, 1982·34 cites·12 claims
- 0582US4018230ACervical dilatorOCHIAI KAZUO·Filed 1975·Granted Apr 19, 1977·164 cites·12 claims
- 0679US4167653AAdaptive speech signal detectorNIPPON ELECTRIC CO·Filed 1978·Granted Sep 11, 1979·25 cites·2 claims
- 0776US4001505ASpeech signal presence detectorNIPPON ELECTRIC CO·Filed 1975·Granted Jan 4, 1977·24 cites·9 claims
- 0874US4670903AEcho canceller for attenuating acoustic echo signals on a frequency divisional mannerNIPPON ELECTRIC CO·Filed 1982·Granted Jun 2, 1987·34 cites·29 claims
- 0973US4360708ASpeech processor having speech analyzer and synthesizerNIPPON ELECTRIC CO·Filed 1981·Granted Nov 23, 1982·41 cites·5 claims
- 1072US4028506AMaximum value tracing circuit for digitized voice signalsNIPPON ELECTRIC CO·Filed 1974·Granted Jun 7, 1977·17 cites·3 claims
- 1171US4005277AEcho controller comprising a mode switch for switching echo suppressor and cancellerNIPPON ELECTRIC CO·Filed 1975·Granted Jan 25, 1977·23 cites·5 claims
- 1265US4012603AEcho suppressor having self-adaptive meansNIPPON ELECTRIC CO·Filed 1975·Granted Mar 15, 1977·17 cites·15 claims
- 1360US6591900B1Heat exchanger, tube for heat exchanger, and method of manufacturing the heat exchanger and the tubeZEXEL VALEO CLIMATE CONTR CORP·Filed 2000·Granted Jul 15, 2003·10 cites·4 claims
- 1454US8846288B2External additive for toner and method for producing the sameOCHIAI KAZUO·Filed 2007·Granted Sep 30, 2014·1 cites·7 claims
- 1554US2025069801A1Leakage transformerDIAMOND&ZEBRA ELECTRIC MFG CO LTD·Filed 2024·Application pending·0 cites
- 1644US8080357B2External additive for toner and method for producing the sameOCHIAI KAZUO·Filed 2007·Granted Dec 20, 2011·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →