SK

Sota Kawashima

SM Smk: 2 patents #102 of 269Top 40%
Overall (All Time): #2,070,796 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D688636 Switch Ryotaro Oishi, Masayasu Ito, Haruo Yoshida 2013-08-27
D680503 Switch Haruo Tanabe, Hiroaki Sugahara 2013-04-23