Inventor · disambiguated record
Masako Arizumi
Also filed as: ARIZUMI MASAKO
3 granted patents·22 citations·filing 1999–2003
64Inventor score
Top patents by PatentIndex Score
3 records- 0167US6853325B2Pulse width modulation digital amplifierRENESAS TECH CORP·Filed 2003·Granted Feb 8, 2005·16 cites·8 claims
- 0248US6642875B2PWM converting circuit, D/A converter and PWM converting method with improved resolutionMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 4, 2003·6 cites·10 claims
- 0323US6472592B1Apparatus for and method of adding sound signal in system having limited number of sound generatorsMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Oct 29, 2002·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →