Inventor
EZAWA SADAAKI
14 patents
⚠️ This page may combine multiple inventors who share the name “EZAWA SADAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWAI MUSICAL INSTR MFG CO
13 patentsUS4969194ANov 6, 1990
Apparatus for drilling pronunciation
KAWAI MUSICAL INSTR MFG CO36 citations90
US5142657AAug 25, 1992
Apparatus for drilling pronunciation
KAWAI MUSICAL INSTR MFG CO24 citations87
US4357849ANov 9, 1982
Key switch information assignor
KAWAI MUSICAL INSTR MFG CO24 citations82
US4539885ASep 10, 1985
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO10 citations73
US4512230AApr 23, 1985
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO9 citations73
US3982460ASep 28, 1976
Musical-tone-waveform forming apparatus for an electronic musical instrument
KAWAI MUSICAL INSTR MFG CO16 citations72
US4524269AJun 18, 1985
Card operation indicator for magnetic card drive devices
KAWAI MUSICAL INSTR MFG CO5 citations62
US4498364AFeb 12, 1985
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO3 citations62
US4442751AApr 17, 1984
Effect generating system for an electronic musical instrument
KAWAI MUSICAL INSTR MFG CO3 citations62
US4424730AJan 10, 1984
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO4 citations62
US4174649ANov 20, 1979
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO3 citations61
US4059040ANov 22, 1977
Tone-source apparatus for electronic musical instrument
KAWAI MUSICAL INSTR MFG CO5 citations61
US4282785AAug 11, 1981
Electronic musical instrument
KAWAI MUSICAL INSTR MFG CO5 citations60