YT

Yuji Tsukamoto

NE Nec: 2 patents #38 of 619Top 7%
📍 Tokyo, MA: #7 of 17 inventorsTop 45%
Overall (1989): #12,043 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4856326 Apparatus for measuring an adhesion force of a thin film — 1989-08-15
4839244 Magnetic recording medium with protective layer using graphite fluoride and method of producing same — 1989-06-13