Inventor · disambiguated record
Yoshiaki Asakawa
Also filed as: ASAKAWA YOSHIAKI
13 granted patents·527 citations·filing 1983–1996
94Inventor score
Files withHITACHI LTD13
Top patents by PatentIndex Score
13 records- 0185US5384891AVector quantizing apparatus and speech analysis-synthesis system using the apparatusHITACHI LTD·Filed 1991·Granted Jan 24, 1995·58 cites·9 claims
- 0280US5983172AMethod for coding/decoding, coding/decoding device, and videoconferencing apparatus using such deviceHITACHI LTD·Filed 1996·Granted Nov 9, 1999·97 cites·25 claims
- 0378US4975957ACharacter voice communication systemHITACHI LTD·Filed 1989·Granted Dec 4, 1990·75 cites·8 claims
- 0467US5119424ASpeech coding system using excitation pulse trainHITACHI LTD·Filed 1988·Granted Jun 2, 1992·44 cites·16 claims
- 0567US5077798AMethod and system for voice coding based on vector quantizationHITACHI LTD·Filed 1989·Granted Dec 31, 1991·39 cites·34 claims
- 0666US5566191ASoft decision maximum likelihood decoding method with adaptive metricHITACHI LTD·Filed 1993·Granted Oct 15, 1996·58 cites·4 claims
- 0761US4776015ASpeech analysis-synthesis apparatus and methodHITACHI LTD·Filed 1985·Granted Oct 4, 1988·38 cites·17 claims
- 0855US4528688AContinuous speech recognition methodHITACHI LTD·Filed 1984·Granted Jul 9, 1985·19 cites·6 claims
- 0954US5142582ASpeech coding and decoding system with background sound reproducing functionHITACHI LTD·Filed 1990·Granted Aug 25, 1992·24 cites·19 claims
- 1052US4718095ASpeech recognition methodHITACHI LTD·Filed 1983·Granted Jan 5, 1988·17 cites·8 claims
- 1148US5956686AAudio signal coding/decoding methodHITACHI LTD·Filed 1995·Granted Sep 21, 1999·26 cites·14 claims
- 1245US5060268ASpeech coding system and methodHITACHI LTD·Filed 1987·Granted Oct 22, 1991·17 cites·12 claims
- 1343US4985923AHigh efficiency voice coding systemHITACHI LTD·Filed 1989·Granted Jan 15, 1991·15 cites·6 claims
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