Ryuzo Minakami

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Fukuoka-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Urea (thiourea) derivative and thermal recording sheet using the same
- Patent number 5,661,100
- Issue date Aug 26, 1997
- Nippon Paper Industries Co., Ltd.
- Toshiaki Minami
- C07 - ORGANIC CHEMISTRY