Inventor · disambiguated record
Yasuji Ohta
Also filed as: OHTA YASUJI
12 granted patents·506 citations·filing 1989–1996
93Inventor score
Technology areasG10L
Files withFUJITSU LTD12
Top patents by PatentIndex Score
12 records- 0184US5261027ACode excited linear prediction speech coding systemFUJITSU LTD·Filed 1992·Granted Nov 9, 1993·122 cites·36 claims
- 0280US5115469ASpeech encoding/decoding apparatus having selected encodersFUJITSU LTD·Filed 1989·Granted May 19, 1992·79 cites·12 claims
- 0373US5086471AGain-shape vector quantization apparatusFUJITSU LTD·Filed 1990·Granted Feb 4, 1992·68 cites·4 claims
- 0465US5199076ASpeech coding and decoding systemFUJITSU LTD·Filed 1991·Granted Mar 30, 1993·48 cites·11 claims
- 0564US5323486ASpeech coding system having codebook storing differential vectors between each two adjoining code vectorsFUJITSU LTD·Filed 1991·Granted Jun 21, 1994·44 cites·32 claims
- 0657US5224167ASpeech coding apparatus using multimode codingFUJITSU LTD·Filed 1990·Granted Jun 29, 1993·36 cites·19 claims
- 0754US5263119AGain-shape vector quantization method and apparatusFUJITSU LTD·Filed 1991·Granted Nov 16, 1993·29 cites·15 claims
- 0849US5003604AVoice coding apparatusFUJITSU LTD·Filed 1989·Granted Mar 26, 1991·23 cites·5 claims
- 0945US5828811ASpeech signal coding system wherein non-periodic component feedback to periodic excitation signal source is adaptively reducedFUJITSU LTD·Filed 1994·Granted Oct 27, 1998·19 cites·10 claims
- 1043US5864650ASpeech encoding method and apparatus using tree-structure delta code bookFUJITSU LTD·Filed 1996·Granted Jan 26, 1999·18 cites·18 claims
- 1140US5151968AVector quantization encoder and vector quantization decoderFUJITSU LTD·Filed 1990·Granted Sep 29, 1992·17 cites·17 claims
- 1229US5231692APitch period searching method and circuit for speech codecFUJITSU LTD·Filed 1990·Granted Jul 27, 1993·3 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →