YO

Yoshihiko Okamoto

HI Hitachi: 6 patents #14 of 3,149Top 1%
📍 Yokohama, WA: #3 of 13 inventorsTop 25%
Overall (1994): #1,407 of 165,921Top 1%
6
Patents 1994

Issued Patents 1994

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5358807 Mask for manufacturing semiconductor device and method of manufacture thereof 1994-10-25
5352550 Mask for manufacturing semiconductor devices and method of manufacture thereof 1994-10-04
5350649 Mask for manufacturing semiconductor device and method of manufacture thereof 1994-09-27
5311026 Charged particle beam lithography system and method therefor Norio Saitou, Takashi Yamazaki, Hideo Todokoro 1994-05-10
5306585 Mask for manufacturing semiconductor device and method of manufacture thereof 1994-04-26
5298365 Process for fabricating semiconductor integrated circuit device, and exposing system and mask inspecting method to be used in the process Noboru Moriuchi 1994-03-29