Inventor
OYA AKIYOSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OYA AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON MUSICAL INSTRUMENTS MFG
22 patentsUS4217804AAug 19, 1980
Electronic musical instrument with automatic arpeggio performance device
NIPPON MUSICAL INSTRUMENTS MFG34 citations92
US4643066AFeb 17, 1987
Electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG23 citations82
US4192211AMar 11, 1980
Electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG17 citations82
US3981217ASep 21, 1976
Key assigner
NIPPON MUSICAL INSTRUMENTS MFG22 citations82
US4748888AJun 7, 1988
Electronic musical instrument including waveshape memory and modifiable address control
NIPPON MUSICAL INSTRUMENTS MFG9 citations74
US4381689AMay 3, 1983
Chord generating apparatus of an electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG15 citations74
US4333374AJun 8, 1982
Submultiple-related-frequency wave generator
NIPPON MUSICAL INSTRUMENTS MFG14 citations74
US4235142ANov 25, 1980
Electronic musical instrument of time-shared digital processing type
NIPPON MUSICAL INSTRUMENTS MFG10 citations74
US4228712AOct 21, 1980
Key code data generator
NIPPON MUSICAL INSTRUMENTS MFG10 citations74
US4228403AOct 14, 1980
Submultiple-related-frequency wave generator
NIPPON MUSICAL INSTRUMENTS MFG9 citations74
US4148239AApr 10, 1979
Electronic musical instrument exhibiting randomness in tone elements
NIPPON MUSICAL INSTRUMENTS MFG11 citations74
US4134320AJan 16, 1979
Key assigner for use in electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG16 citations74
US4041826AAug 16, 1977
Electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG15 citations74
US4326441AApr 27, 1982
Automatic performance device
NIPPON MUSICAL INSTRUMENTS MFG14 citations73
US4297934ANov 3, 1981
Display device for automatic rhythm performance apparatus
NIPPON MUSICAL INSTRUMENTS MFG14 citations73
US4432265AFeb 21, 1984
Electronic musical instrument controlling tone properties by control data signals
NIPPON MUSICAL INSTRUMENTS MFG12 citations72
US4402245ASep 6, 1983
Electronic musical instrument with special tone generator
NIPPON MUSICAL INSTRUMENTS MFG7 citations71
US4321850AMar 30, 1982
Electronic musical instrument with highest priority key tone production
NIPPON MUSICAL INSTRUMENTS MFG4 citations63
US4223584ASep 23, 1980
Electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG3 citations63
US4218948AAug 26, 1980
Electronic musical instrument of key code processing type
NIPPON MUSICAL INSTRUMENTS MFG4 citations63
US4492142AJan 8, 1985
Timbre modulation circuit for electronic musical instruments
NIPPON MUSICAL INSTRUMENTS MFG5 citations61
US4121348AOct 24, 1978
Touch-responsive circuit in electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG4 citations60