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U's BMB Entertainment Corp. Patents
U's BMB Entertainment Corp.
Osaka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6520776 Portable karaoke microphone device and karaoke apparatus February 18, 2003
A portable karaoke microphone device and karaoke apparatus in which accompanying melody data and character data such as lyrics, etc. are written into a first memory that consists of an EEPROM such as a flash memory, etc. This first memory is detachably connected to a first memory con

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