KN

Keizo Nishiyama

Canon: 2 patents #12,681 of 19,416Top 70%
LC Lignyte Co.: 1 patents #9 of 24Top 40%
MC Maeda Shell Service Co.: 1 patents #2 of 5Top 40%
Overall (All Time): #1,571,129 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7784524 Apparatus and method for producing casting mold Isamu Ide, Toru Seki, Sadao Maeda 2010-08-31
4427295 Measuring apparatus — 1984-01-24
4425041 Measuring apparatus — 1984-01-10