MK

Masato Katsuda

RO Roland: 2 patents #2 of 7Top 30%
Overall (2005): #44,371 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6921857 Electronic percussion instrumental system and percussion detecting apparatus therein Kiyoshi Yoshino, Kenji Hirano 2005-07-26
6881885 Electronic pad with vibration isolation features Kiyoshi Yoshino 2005-04-19