YD

Yasushi Doi

DC Dainippon Screen Mfg. Co.: 1 patents #30 of 106Top 30%
Overall (1989): #42,275 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4868884 Image extraction mask Ryuichi Miyazaki, Yosuke Kakihara, Hirokazu Takizawa 1989-09-19