Inventor · disambiguated record
Shinji Kumano
Also filed as: KUMANO SHINJI
22 granted patents·505 citations·filing 1980–1999
96Inventor score
Top patents by PatentIndex Score
22 records- 0193US4512234AKeyboard device having cushioned weight member for electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1983·Granted Apr 23, 1985·41 cites·16 claims
- 0290US5081896AMusical tone generating apparatusYAMAHA CORP·Filed 1990·Granted Jan 21, 1992·66 cites·21 claims
- 0390US5005460AMusical tone control apparatusYAMAHA CORP·Filed 1988·Granted Apr 9, 1991·51 cites·16 claims
- 0487US5574241AKeyboard apparatus with common stopper for key and hammerYAMAHA CORP·Filed 1994·Granted Nov 12, 1996·52 cites·18 claims
- 0579US4901614AKeyboard apparatus of electronic musical instrumentYAMAHA CORP·Filed 1987·Granted Feb 20, 1990·41 cites·56 claims
- 0675US4604937AKeyboard device of electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1984·Granted Aug 12, 1986·14 cites·21 claims
- 0774US4476769AKeyboard apparatus in electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1982·Granted Oct 16, 1984·24 cites·26 claims
- 0873US5834668AKeyboarding apparatus for electronic musical instrument with simplified mass member and method of making mass memberYAMAHA CORP·Filed 1996·Granted Nov 10, 1998·37 cites·38 claims
- 0973US4334453AKeyboard musical instrument with removable box legNIPPON MUSICAL INSTRUMENTS MFG·Filed 1980·Granted Jun 15, 1982·14 cites·12 claims
- 1072US4488472AKeyboard musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1982·Granted Dec 18, 1984·13 cites·8 claims
- 1169US4351222AKeyboard musical instrument with casing comprising two halvesNIPPON MUSICAL INSTRUMENTS MFG·Filed 1981·Granted Sep 28, 1982·12 cites·12 claims
- 1267US5796023AKeyboard apparatus with white keys and black keys having action member driving sections at substantially the same locationYAMAHA CORP·Filed 1996·Granted Aug 18, 1998·35 cites·15 claims
- 1363US5824928AKeyboard apparatus for musical instrumentYAMAHA CORP·Filed 1997·Granted Oct 20, 1998·29 cites·11 claims
- 1459US4510839AKeyboard structures of electronic musical instrumentsNIPPON MUSICAL INSTRUMENTS MFG·Filed 1981·Granted Apr 16, 1985·15 cites·14 claims
- 1550US5932825AKeyboard apparatus with white keys and black keys having substantially the same action membersYAMAHA CORP·Filed 1996·Granted Aug 3, 1999·15 cites·20 claims
- 1650US4602549AKeyboard device having cushioned weight member for electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Jul 29, 1986·9 cites·28 claims
- 1743US5942705ALeaf spring and mounting construction of the sameYAMAHA CORP·Filed 1997·Granted Aug 24, 1999·9 cites·9 claims
- 1840US4464325AMethod of producing multi-key structure for keyboard musical instrumentsNIPPON MUSICAL INSTRUMENTS MFG·Filed 1982·Granted Aug 7, 1984·5 cites·7 claims
- 1939US4846041AKeyboard device of electronic musical instrumentNIPPON MUSICAL INSTRUMENTS MFG·Filed 1987·Granted Jul 11, 1989·6 cites·8 claims
- 2038US6147289AKeyboard assembly and method of manufacturing itYAMAHA CORP·Filed 1999·Granted Nov 14, 2000·6 cites·23 claims
- 2138US5090290AKeyboard device of electronic musical instrumentYAMAHA CORP·Filed 1991·Granted Feb 25, 1992·6 cites·2 claims
- 2235USRE35161EKeyboard device of electronic musical instrumentYAMAHA CORP·Filed 1994·Granted Feb 27, 1996·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →