Inventor
KAWAKAMI KEIJI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
6 patentsUS4773294ASep 27, 1988
Musical composition parameter selecting device for electronic musical instrument
YAMAHA CORP25 citations91
US5736664AApr 7, 1998
Automatic accompaniment data-processing method and apparatus and apparatus with accompaniment section selection
YAMAHA CORP8 citations73
US5340940AAug 23, 1994
Musical tone generation apparatus capable of writing/reading parameters at high speed
YAMAHA CORP9 citations72
US5298673AMar 29, 1994
Electronic musical instrument using time-shared data register
YAMAHA CORP4 citations61
US5149903ASep 22, 1992
Musical tone generating apparatus having means for controlling the amplitude of a musical tone signal envelope
YAMAHA CORP2 citations61
US7474753B2Jan 6, 2009
Sound field control apparatus, signal processing apparatus, sound field control program, and signal processing program
YAMAHA CORP4 citations59