Inventor

NAKAJIMA MARI

JP5 patents

Patents

5 patents

US11594205B2Feb 28, 2023

Switch device, electronic apparatus, and electronic musical instrument

CASIO COMPUTER CO LTD2 citations69

US12315481B2May 27, 2025

Keyboard instrument

CASIO COMPUTER CO LTD1 citations60

US12579962B2Mar 17, 2026

Device and electronic musical instrument

CASIO COMPUTER CO LTD0 citations59

US12548539B2Feb 10, 2026

Electronic device and electronic musical instrument

CASIO COMPUTER CO LTD0 citations59

US11694664B2Jul 4, 2023

Keyboard musical instrument

CASIO COMPUTER CO LTD0 citations59