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Kazuhide Hirota Patents |
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Inventor: Hirota; Kazuhide
Address: Yasu, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371000 |
Surface light source equipment and apparatus using the same |
May 13, 2008 |
| A light emission part in the form of a point light source composed of LED, etc., and a light conductive plate, and the light emission part is arranged in opposition to a light incident surface of the light conductive plate. First diffusion patterns and second diffusion patterns are p |
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