KK

Kazuhide Koyama

SO Sony: 1 patents #281 of 1,124Top 25%
Overall (1994): #108,688 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5290731 Aluminum metallization method Yukiyasu Sugano, Shinji Minegishi, Hirofumi Sumi 1994-03-01