YD

Yasushi Doi

DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
SH Screen Holdings: 1 patents #41 of 100Top 45%
Overall (All Time): #2,333,236 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868884 Image extraction mask Ryuichi Miyazaki, Yosuke Kakihara, Hirokazu Takizawa 1989-09-19
4222247 Needle selection mechanism for an automatic knitting machine Takeji Hashimoto, Yoshio Nagao 1980-09-16