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Ichiyo-sha Co., Ltd. Patents |
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Assignee: Ichiyo-sha Co., Ltd.
Address: Tokyo, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6474825 |
Planar light-emitting display panel |
November 5, 2002 |
| Disclosed is a planar light-emitting display panel device of the edge-lighting type used for demonstration of an image of painting, photograph or commercial product for the purpose of decoration or advertisement, in which the image-bearing transparency can be easily replaced with ano |
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