AT

Akio Takatsu

SC Sumitomo Metal Mining Co.: 2 patents #253 of 736Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Narita, JP: #58 of 151 inventorsTop 40%
Overall (All Time): #1,503,375 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9271363 Lighting device having LED elements 2016-02-23
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