YS

Yusuke Sotome

PE Pentax: 2 patents #187 of 396Top 50%
Overall (All Time): #2,177,331 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6880989 Push button switch — 2005-04-19
6855899 Push button device having an illuminator — 2005-02-15