TS

Toshiharu Sugiyama

DC Dena Co.: 2 patents #2 of 44Top 5%
Overall (2016): #90,582 of 481,213Top 20%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9439070 User authentication system Masaaki Yoshikawa 2016-09-06
9378358 Password management system — 2016-06-28