Director- General of Agency of Industrial and Science and Technology

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cholesteryl compound and rewritable full-color thermosensitive reco...
- Patent number 6,183,666
- Issue date Feb 6, 2001
- Ricoh Company, Ltd.
- Nobuyuki Tamaoki
- C07 - ORGANIC CHEMISTRY