Inventor
TAKAGI MASAKAZU
JP5 patents
Patents
5 patentsUS6888728B2May 3, 2005
Switching power supply unit
TDK CORP208 citations98
US6650552B2Nov 18, 2003
Switching power supply unit with series connected converter circuits
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US6683797B2Jan 27, 2004
Multi-stage DC—DC converter
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US5999420ADec 7, 1999
Switching power source
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US6687143B2Feb 3, 2004
Rectifying circuit and switching power supply device having the same
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