Seiji Sakamoto

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Iwaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-treated spherical calcium carbonate particles for cosmetics...
- Patent number 10,080,713
- Issue date Sep 25, 2018
- Sakai Chemical Industry Co., Ltd.
- Hiroyuki Izumikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-TREATED SPHERICAL CALCIUM CARBONATE PARTICLES FOR COSMETICS...
- Publication number 20150290094
- Publication date Oct 15, 2015
- SAKAI CHEMIDAL INDUSTRY CO., LTD.
- Hiroyuki Izumikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE