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Inventor: Okada; Kyohji
Address: Fuji, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553796 |
Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recordi |
June 30, 2009 |
| The present invention provides a reversible thermosensitive recording medium including a support and a thermosensitive recording layer thereon, in which the thermosensitive recording layer contains an electron-donating coloring compound and an electron-accepting compound, and the the |
| 7456132 |
Phenol compound, reversible thermosensitive recording medium, reversible thermosensitive recordi |
November 25, 2008 |
| The present invention provides a reversible thermosensitive recording medium including a support and a thermosensitive recording layer thereon, in which the thermosensitive recording layer comprises an electron-donating coloring compound and an electron-accepting compound, and the th |
| 7419934 |
Reversible thermosensitive coloring material and reversible thermosensitive recording material u |
September 2, 2008 |
| A reversible thermosensitive coloring material which can reversibly achieve a relatively colored state and a relatively discolored state depending on a temperature to which the coloring material is heated or a cooling speed at which the coloring material is cooled after heated. The c |
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