Ryohei YOSHIDA

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Patents Grantslast 30 patents

Information Patent Grant
Trivalent metal-doped hexagonal plate-shaped zinc oxide and method...
- Patent number 11,446,221
- Issue date Sep 20, 2022
- Sakai Chemical Industry Co., Ltd.
- Ryohei Yoshida
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing hexagonal plate-shaped zinc oxide
- Patent number 11,203,530
- Issue date Dec 21, 2021
- Sakai Chemical Industry Co., Ltd.
- Ryohei Yoshida
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Granular composite containing keratin and hexagonal plate-like zinc...
- Patent number 11,179,303
- Issue date Nov 23, 2021
- Sakai Chemical Industry Co., Ltd.
- Ryohei Yoshida
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hexagonal plate-shaped zinc oxide particles, method for production...
- Patent number 10,696,563
- Issue date Jun 30, 2020
- Sakai Chemical Industry Co., Ltd.
- Ryohei Yoshida
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
ZINC OXIDE PARTICLES EACH HAVING SURFACE COATED WITH ORGANOSILICON,...
- Publication number 20250034401
- Publication date Jan 30, 2025
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Ryohei YOSHIDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
GRANULAR COMPOSITE CONTAINING KERATIN AND HEXAGONAL PLATE-LIKE ZINC...
- Publication number 20200368124
- Publication date Nov 26, 2020
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Ryohei YOSHIDA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PRODUCING HEXAGONAL PLATE-SHAPED ZINC OXIDE
- Publication number 20200172407
- Publication date Jun 4, 2020
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Ryohei YOSHIDA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TRIVALENT METAL-DOPED HEXAGONAL PLATE-SHAPED ZINC OXIDE AND METHOD...
- Publication number 20200129394
- Publication date Apr 30, 2020
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Ryohei YOSHIDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HEXAGONAL PLATE-SHAPED ZINC OXIDE PARTICLES, METHOD FOR PRODUCTION...
- Publication number 20160347624
- Publication date Dec 1, 2016
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Ryohei YOSHIDA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...