Ryogo Tsukisaka

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Takarazuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Calcium carbonate, calcium carbonate pigment, process for preparing...
- Patent number 5,007,964
- Issue date Apr 16, 1991
- Shiraishi Central Laboratories Co., Ltd.
- Ryogo Tsukisaka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composition comprising a thermoplastic resin and mineral filler par...
- Patent number 4,242,251
- Issue date Dec 30, 1980
- Asahi Kasei Kogyo Kabushiki Kaisha
- Itsuho Aishima
- C01 - INORGANIC CHEMISTRY