RY

Ryoko Yamanaka

HI Hitachi: 1 patents #856 of 3,149Top 30%
📍 Kokubunji, JP: #37 of 105 inventorsTop 40%
Overall (1994): #71,688 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5348837 Projection exposure apparatus and pattern forming method for use therewith Hiroshi Fukuda, Tsutomu Tawa, Tsuneo Terasawa, Seiji Yonezawa 1994-09-20