Nemoto Lumi-Materials Company Limited
Nemoto Lumi-Materials Company Limited Patent applications | ||
Patent application number | Title | Published |
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20130020535 | PHOSPHORESCENT PHOSPHOR AND PHOSPHORESCENT PIGMENT - An object of the present invention is to provide a phosphorescent phosphor having an excellent afterglow luminance after 10 to 12 hours after sunset under the outdoor excitation conditions. The phosphorescent phosphor is represented by the formula (Sr | 01-24-2013 |