Inventor · disambiguated record
Shigeyuki Nagatsuma
Also filed as: NAGATSUMA SHIGEYUKI
5 granted patents·4 pending applications·49 citations·filing 1989–2024
75Inventor score
Files withCASIO COMPUTER CO LTD9
Top patents by PatentIndex Score
9 records- 0170US5062342APiano action device for electronic keyboard musical instrumentsCASIO COMPUTER CO LTD·Filed 1989·Granted Nov 5, 1991·40 cites·5 claims
- 0269US12451105B2Instrument stand and keyboard instrument setCASIO COMPUTER CO LTD·Filed 2023·Granted Oct 21, 2025·0 cites·8 claims
- 0367US12462776B2Stand and keyboard instrument setCASIO COMPUTER CO LTD·Filed 2023·Granted Nov 4, 2025·0 cites·11 claims
- 0463US7495158B2Opening/closing mechanism for a keyboard instrument coverCASIO COMPUTER CO LTD·Filed 2007·Granted Feb 24, 2009·7 cites·9 claims
- 0563US2025014552A1Input apparatus, electronic keyboard instrument and electronic apparatusCASIO COMPUTER CO LTD·Filed 2024·Application pending·0 cites
- 0654US9430993B2Keyboard lid opening and closing apparatus and keyboard instrumentCASIO COMPUTER CO LTD·Filed 2014·Granted Aug 30, 2016·2 cites·14 claims
- 0751US2023335082A1Keyboard instrument stand and keyboard instrument setCASIO COMPUTER CO LTD·Filed 2023·Application pending·0 cites
- 0836US2013305899A1Keyboard musical instrumentCASIO COMPUTER CO LTD·Filed 2013·Application pending·0 cites
- 0932US2013305900A1Keyboard unit and keyboard musical instrumentCASIO COMPUTER CO LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →