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Yamaha Corporation
SHIZUOKA-KEN, JP
1. 20090197224 Language Learning Apparatus, Language Learning Aiding Method, Program, and Recording Medium 08-06-20092. 20090173210 LUG STRUCTURE OF DRUM - The lug structure of a drum for installing a drum head on a drum shell according to the present invention 07-09-2009
3. 20090173206 KEYBOARD MUSICAL INSTRUMENT AND ACTION UNIT INCORPORATED THEREIN 07-09-2009
4. 20090171608 MAGNETIC DATA PROCESSING DEVICE, MAGNETIC DATA PROCESSING METHOD, AND MAGNETIC DATA PROCESSING PROGRAM 07-02-2009
5. 20090158919 TONE SYNTHESIS APPARATUS AND METHOD - Either a tone generation priority mode or a quality priority mode can be set 06-25-2009
6. 20090110212 Audio Transmission System and Communication Conference Device 04-30-2009
7. 20090106336 Digital Signal Processing Apparatus - Register includes flip-flop circuits each constructed to retain data of n bit in synchronism with a clock pulse 04-23-2009
8. 20090100986 Keyboard Apparatus - 100 has plural keys 10 and 11, plural electronic actuators 30, and plural link mechanisms 4 04-23-2009
9. 20080279069 Optical Disk Apparatus With Approximate Focus Control of Laser Beam 11-13-2008