Inventor
KOIKE MASAHIKO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KOIKE MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON MUSICAL INSTRUMENTS MFG
10 patentsUS4173164ANov 6, 1979
Electronic musical instrument with frequency modulation of a tone signal with an audible frequency signal
NIPPON MUSICAL INSTRUMENTS MFG56 citations96
US4206676AJun 10, 1980
Electronic musical instrument with sequencer for automatic arpeggio performance
NIPPON MUSICAL INSTRUMENTS MFG7 citations74
US4179971ADec 25, 1979
Pitch bend apparatus for electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG7 citations74
US4195544AApr 1, 1980
Electronic musical instrument with external sound control function
NIPPON MUSICAL INSTRUMENTS MFG10 citations73
US4191082AMar 4, 1980
Key range dividing type electronic musical instrument
NIPPON MUSICAL INSTRUMENTS MFG10 citations73
US3974729AAug 17, 1976
Automatic rhythm playing apparatus
NIPPON MUSICAL INSTRUMENTS MFG8 citations73
US4244259AJan 13, 1981
Electronic musical instrument with memory to store tone control information
NIPPON MUSICAL INSTRUMENTS MFG6 citations62
US4233875ANov 18, 1980
Electronic musical instrument with automatic trill performance function
NIPPON MUSICAL INSTRUMENTS MFG1 citations52
US4121489AOct 24, 1978
Electronic musical instrument having plural oscillators starting in phase
NIPPON MUSICAL INSTRUMENTS MFG1 citations52
US4016791AApr 12, 1977
Automatic rhythm playing apparatus
NIPPON MUSICAL INSTRUMENTS MFG0 citations41
YAMAHA CORP
3 patentsUS6034314AMar 7, 2000
Automatic performance data conversion system
YAMAHA CORP48 citations92
US4957032ASep 18, 1990
Apparatus for realizing variable key scaling in electronic musical instrument
YAMAHA CORP16 citations73
US4947724AAug 14, 1990
Electric music instrument with the capability of memorizing and producing different musical scales
YAMAHA CORP12 citations73