HT

Hirokazu Takizawa

DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
Overall (All Time): #3,938,461 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

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