Inventor · disambiguated record
Sunao Okamura
Also filed as: OKAMURA SUNAO
18 granted patents·238 citations·filing 1995–2019
95Inventor score
Top patents by PatentIndex Score
18 records- 0190USD538259SCombined speaker and amplifierYAMAHA CORP·Filed 2005·Granted Mar 13, 2007·48 cites·1 claims
- 0288USD520494SSpeakerYAMAHA CORP·Filed 2004·Granted May 9, 2006·37 cites·1 claims
- 0377USD510381SElectronic keyboard instrumentYAMAHA CORP·Filed 2004·Granted Oct 4, 2005·21 cites·1 claims
- 0473USD589929SCombined speaker and amplifierYAMAHA CORP·Filed 2007·Granted Apr 7, 2009·19 cites·1 claims
- 0573USD419587SElectric celloYAMAHA CORP·Filed 1998·Granted Jan 25, 2000·17 cites·1 claims
- 0669USD369378SElectronic pianoYAMAHA CORP·Filed 1995·Granted Apr 30, 1996·15 cites·1 claims
- 0765USD579441SCombined speaker and amplifierYAMAHA CORP·Filed 2007·Granted Oct 28, 2008·14 cites·1 claims
- 0863USD411563SElectronic keyboard musical instrumentYAMAHA CORP·Filed 1997·Granted Jun 29, 1999·12 cites·1 claims
- 0962USD718808SDigital pianoYAMAHA CORP·Filed 2013·Granted Dec 2, 2014·11 cites·1 claims
- 1055USD903625SAmplifierYAMAHA CORP·Filed 2019·Granted Dec 1, 2020·5 cites·1 claims
- 1154USD718375SDigital pianoYAMAHA CORP·Filed 2013·Granted Nov 25, 2014·9 cites·1 claims
- 1251USD718809SDigital pianoYAMAHA CORP·Filed 2013·Granted Dec 2, 2014·8 cites·1 claims
- 1350USD668710SElectronic keyboardOKAMURA SUNAO·Filed 2012·Granted Oct 9, 2012·9 cites·1 claims
- 1448USD507291SElectronic keyboard instrumentYAMAHA CORP·Filed 2004·Granted Jul 12, 2005·6 cites·1 claims
- 1541USD579914SCombined speaker and amplifierYAMAHA CORP·Filed 2007·Granted Nov 4, 2008·4 cites·1 claims
- 1638USD933629SAmplifierYAMAHA CORP·Filed 2019·Granted Oct 19, 2021·1 cites·1 claims
- 1736USD499442SElectronic keyboard instrumentYAMAHA CORP·Filed 2003·Granted Dec 7, 2004·2 cites·1 claims
- 1830USD474801SPianoYAMAHA CORP·Filed 2002·Granted May 20, 2003·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Sunao Okamura files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →