SY

Seiji Yonezawa

HI Hitachi: 2 patents #343 of 3,149Top 15%
Overall (1994): #20,222 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5348837 Projection exposure apparatus and pattern forming method for use therewith Hiroshi Fukuda, Ryoko Yamanaka, Tsutomu Tawa, Tsuneo Terasawa 1994-09-20
5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus Keiji Kataoka, Hajime Fukke, Tsuneo Terasawa, Keizo Kato, Harukazu Miyamoto +3 more 1994-03-22