Inventor · disambiguated record
Akira Sogo
Also filed as: SOGO AKIRA
14 granted patents·213 citations·filing 1988–2001
93Inventor score
Files withYAMAHA CORP14
Top patents by PatentIndex Score
14 records- 0189US6445320B1A/D conversion apparatusYAMAHA CORP·Filed 2000·Granted Sep 3, 2002·44 cites·20 claims
- 0281US6732132B2Digital signal processor and digital signal processing system incorporating sameYAMAHA CORP·Filed 2001·Granted May 4, 2004·29 cites·8 claims
- 0374US6428671B1Method and apparatus for electro-coagulation printing and electrode control unitYAMAHA CORP·Filed 2000·Granted Aug 6, 2002·9 cites·17 claims
- 0465US7072429B1Filter coefficient setting technique for variable filtering process and variable sampling frequency conversionYAMAHA CORP·Filed 1997·Granted Jul 4, 2006·20 cites·5 claims
- 0565US5768316AMixing circuit utilizing N inputs and a number of decimation filters that is less than NYAMAHA CORP·Filed 1996·Granted Jun 16, 1998·29 cites·16 claims
- 0658US5806037AVoice synthesis system utilizing a transfer functionYAMAHA CORP·Filed 1995·Granted Sep 8, 1998·39 cites·13 claims
- 0745US5451944ASampling frequency converter by linear interpolationYAMAHA CORP·Filed 1993·Granted Sep 19, 1995·8 cites·10 claims
- 0837US5436932AFor performing amplitude-phase demodulation and viterbi decodingYAMAHA CORP·Filed 1993·Granted Jul 25, 1995·8 cites·9 claims
- 0937US5406632AMethod and device for correcting an error in high efficiency coded digital dataYAMAHA CORP·Filed 1993·Granted Apr 11, 1995·11 cites·16 claims
- 1035US5631586ASine-wave generator circuitYAMAHA CORP·Filed 1996·Granted May 20, 1997·8 cites·7 claims
- 1131US6205459B1Digital signal processor and digital signal processing system incorporating sameYAMAHA CORP·Filed 1997·Granted Mar 20, 2001·3 cites·12 claims
- 1231US5568517ADecoding device for performing amplitude-phase demodulation and viterbi decodingYAMAHA CORP·Filed 1995·Granted Oct 22, 1996·2 cites·16 claims
- 1331US4884037AFM demodulation circuitYAMAHA CORP·Filed 1988·Granted Nov 28, 1989·2 cites·5 claims
- 1429US5230009AMethod for deciding region of PI/4 shift quadriphase shift keying modulated signalsYAMAHA CORP·Filed 1991·Granted Jul 20, 1993·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →