Lenticular lens sheet and process for production thereof, and optical element
AssigneeNippon Steel & Sumikin Chemical Co., Ltd.
InventorsKoichi Fujishiro, Toshihide Itahara, Tohru Saito, Takahiro Yoshioka, Shinsuke Iguchi, Kentaro Kumita, Tomoharu Takita
Life of this patent
Estimating the term…