| 发明名称 |
Reversibly metachromatic toy |
| 摘要 |
<p>A reversibly metachromatic toy (1) having a platelike resin foamed substrate (2), a resin layer (3a,3b) provided on both the outer side surfaces of the foamed substrate, and a reversibly metachromatic layer (4a,4b) provided on at least one-side resin layer partly or all over the surface. <IMAGE></p> |
| 申请公布号 |
EP1454666(B1) |
申请公布日期 |
2010.07.28 |
| 申请号 |
EP20040251334 |
申请日期 |
2004.03.08 |
| 申请人 |
THE PILOT INK CO., LTD. |
发明人 |
HARATA, HIROKI;SENGA, KUNIYUKI;TAKEDA, MASANORI |
| 分类号 |
A63H33/22;G09B19/00;A63H33/38;B32B5/18;B41M3/00;B41M5/00;B41M5/52;B42D1/00;B44F1/06;B44F1/10 |
主分类号 |
A63H33/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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