Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroki Harata0
Kuniyuki Senga0
Masanori Takeda0
Date of Patent
March 13, 2007
0Patent Application Number
107907730
Date Filed
March 3, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A reversibly metachromatic toy having a platelike resin foamed substrate, a resin layer provided on both the outer side surfaces of the foamed substrate, and a reversibly metachromatic layer provided on at least one-side resin layer partly or all over the surface.
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