Inventor · disambiguated record
Hitoshi Izutani
Also filed as: IZUTANI HITOSHI
4 granted patents·1 pending application·36 citations·filing 2005–2018
74Inventor score
Files withYAMAHA CORP5
Top patents by PatentIndex Score
5 records- 0187US7345235B2Keyboard musical instrument having keys equipped with balancers biting into keys and method for securing balancers to keysYAMAHA CORP·Filed 2005·Granted Mar 18, 2008·18 cites·5 claims
- 0280US7999162B2Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight thereinYAMAHA CORP·Filed 2006·Granted Aug 16, 2011·10 cites·18 claims
- 0379US7807911B2Keyboard musical instrument having keys equipped with balancers biting into keys and method for securing balancers to keysYAMAHA CORP·Filed 2007·Granted Oct 5, 2010·8 cites·12 claims
- 0452US2011259169A1Movable part firmly equipped with balance weight, musical instrument and method of assembling balance weight thereinYAMAHA CORP·Filed 2011·Application pending·0 cites
- 0550US10424275B2Upright pianoYAMAHA CORP·Filed 2018·Granted Sep 24, 2019·0 cites·9 claims
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