TH

Tetsuo Hamada

OC Otsuka Electronics Co.: 1 patents #43 of 80Top 55%
Overall (All Time): #3,526,147 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6636308 Apparatus for measuring characteristics of optical angle Kazunori Tsutsui, Koichi Oka, Masayoshi Funato, Akira Kawaguchi, Michio Tsujio 2003-10-21