YK

Yuuzi Kosuga

FC Fuji Chemical Industries Co.: 1 patents #10 of 55Top 20%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #3,854,420 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5128231 Negative photoresist composition comprising a photosensitizer of a polyhalogen compound Toshio Itoh, Miwa Sakata, Yoshio Yamashita, Takateru Asano, Hiroshi Umehara 1992-07-07