Inventor

USUI GOU

JP3 patents

Patents

3 patents

US7853428B2Dec 14, 2010

Apparatus for displaying fitness exercise condition

YAMAHA CORP17 citations76

US7956274B2Jun 7, 2011

Performance apparatus and storage medium therefor

YAMAHA CORP3 citations60

US7982120B2Jul 19, 2011

Performance apparatus and storage medium therefor

YAMAHA CORP0 citations49