Title:
光学拡散板及びその製造方法
Document Type and Number:
Japanese Patent JP4406957
Kind Code:
B2
Inventors:
Susumu Takahashi
Application Number:
JP17451999A
Publication Date:
February 03, 2010
Filing Date:
June 21, 1999
Export Citation:
Assignee:
Toppan Printing Co., Ltd.
International Classes:
G02B5/02; G02B26/08
Domestic Patent References:
| JP10062779A | ||||
| JP11002706A |
Foreign References:
| WO1998005984A1 |