AS

Akira Sugiura

OT Otics: 1 patents #2 of 10Top 20%
📍 Nishio, JP: #7 of 36 inventorsTop 20%
Overall (2011): #359,863 of 364,097Top 100%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7942119 Variable valve mechanism Tomiyasu Hirano, Tamotsu Yamamoto 2011-05-17