HO

Hiroshi Ohtsuka

OC Oki Electric Industry Co.: 1 patents #37 of 176Top 25%
Overall (1994): #124,813 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5342713 Phase shifting mask Kazutoshi Abe, Takashi Taguchi 1994-08-30