YT

Yu Tsuyama

GC Goyo Paper Working Co.: 1 patents #8 of 17Top 50%
Overall (All Time): #3,704,784 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5844720 Prism sheet Shuzo Ohara, Takumi Kosugi, Osamu Kawaguchi, Tetsuro Taen, Kenji Kawashima 1998-12-01