AT

Akio Takatsu

SC Sumitomo Metal Mining Co.: 2 patents #1 of 26Top 4%
📍 Narita, JP: #1 of 19 inventorsTop 6%
Overall (1994): #38,813 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5288950 Flexible wiring board and method of preparing the same Ryozo Ushio, Yoshinori Suzuki 1994-02-22
5284725 Photo-mask for manufacture of two-layer tab 1994-02-08