OK

Osam Kamishima

SM Smk: 1 patents #144 of 269Top 55%
Overall (All Time): #3,741,714 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5512722 Key switch Kumio Ozeki, Fumio Watanabe, Haruo Yoshida, Yosuke Sakai 1996-04-30