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Hideo Kimura
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Takahagi, JP
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last 30 patents
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Patent Grant
Pulse width modulation method, pulse width modulator and power conv...
Patent number
6,657,412
Issue date
Dec 2, 2003
Hitachi, Ltd.
Seiji Ishida
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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last 30 patents
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Patent Application
Pulse width modulation method, pulse width modulator and power conv...
Publication number
20020093391
Publication date
Jul 18, 2002
Seiji Ishida
H03 - BASIC ELECTRONIC CIRCUITRY