MM

Masaaki Matsushima

HO Hoya: 1 patents #17 of 87Top 20%
📍 Shinjuku, JP: #8 of 37 inventorsTop 25%
Overall (2005): #144,421 of 245,428Top 60%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6932474 Progressive-power lens Takashi Hatanaka 2005-08-23