Inventor
KATSUTA MASANORI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KATSUTA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWAI MUSICAL INSTR MFG CO
8 patentsUS7663044B2Feb 16, 2010
Musical performance self-training apparatus
KAWAI MUSICAL INSTR MFG CO17 citations91
US7525035B2Apr 28, 2009
Musical performance self-training apparatus
KAWAI MUSICAL INSTR MFG CO10 citations82
US5131308AJul 21, 1992
Keyboard device of electronic keyboard musical instrument
KAWAI MUSICAL INSTR MFG CO19 citations72
US5070218ADec 3, 1991
Key guide apparatus for electronic musical instrument
KAWAI MUSICAL INSTR MFG CO8 citations72
US4890533AJan 2, 1990
Key device for electronic keyboard musical instrument
KAWAI MUSICAL INSTR MFG CO11 citations71
US4856407AAug 15, 1989
Action mechanism for a keyboard of an electronic piano
KAWAI MUSICAL INSTR MFG CO6 citations62
US5081895AJan 21, 1992
Keyboard
KAWAI MUSICAL INSTR MFG CO2 citations61
US9640161B2May 2, 2017
Musical score displaying and performing program, and musical score displaying and performing device
KAWAI MUSICAL INSTR MFG CO0 citations40