Kunio Nomura

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Ogaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of producing plate-shaped calcium carbonate particles
- Patent number 4,857,291
- Issue date Aug 15, 1989
- Yabashi Industries Co., Ltd.
- Yoshio Ota
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of producing needle-shaped calcium carbonate particles
- Patent number 4,824,654
- Issue date Apr 25, 1989
- Yabashi Industries Co., Ltd.
- Yoshio Ota
- C01 - INORGANIC CHEMISTRY