RY

Ryuzo Yamamoto

SP Sakura Color Products: 1 patents #1 of 9Top 15%
Overall (2005): #108,132 of 245,428Top 45%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6929669 Abrasive solid Nakao Tominaga, Yoshikazu Kondo 2005-08-16