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Yasuhiro Yoshitake

HI Hitachi: 2 patents #336 of 2,935Top 15%
Overall (1989): #12,595 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4862008 Method and apparatus for optical alignment of semiconductor by using a hologram Yoshitada Oshida, Naoto Nakashima 1989-08-29
4819033 Illumination apparatus for exposure Yoshitada Oshida, Masataka Shiba, Naoto Nakashima 1989-04-04