SY

Shiyouichi Yamaka

KK Kabushiki Kaisha Medos Kenkyusho: 2 patents #8 of 12Top 70%
PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #1,677,872 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4589403 Apparatus for cleaning and sterilizing a guide tube for a forceps-control member operating wire in an endoscope Teruo Ouchi, Kazukiyo Tamada 1986-05-20
4483326 Curvature control mechanism in endoscopes Hirohisa Ueda 1984-11-20
4365883 Focusing screen holding device Yukio Takaoka, Keisuke Haraguchi 1982-12-28