SY

Sumiyo Yamanashi

DC Doppel Co.: 1 patents #1 of 3Top 35%
Overall (2005): #94,949 of 245,428Top 40%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6866914 Artificial stone having non-slip property Mieko Sakai, Kenichiro Saito 2005-03-15