YO

Yoshihiko Okamoto

HI Hitachi: 3 patents #420 of 3,950Top 15%
📍 Yokohama, WA: #8 of 18 inventorsTop 45%
Overall (2002): #18,062 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6458497 Mask for manufacturing semiconductor device and method of manufacture thereof 2002-10-01
6432790 Method of manufacturing photomask, photomask, and method of manufacturing semiconductor integrated circuit device Masamichi Kobayashi, Satoshi Momose 2002-08-13
6420075 Mask for manufacturing semiconductor device and method of manufacture thereof 2002-07-16