Hisao KOIZUMI

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cosmetic
- Patent number 11,020,331
- Issue date Jun 1, 2021
- Sakai Chemical Industry Co., Ltd.
- Hisao Koizumi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
BORON-CONTAINING SILICA DISPERSION, AND METHOD FOR PRODUCING SAME
- Publication number 20240002240
- Publication date Jan 4, 2024
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Yasuyuki MURAKAMI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
BORON-CONTAINING AMORPHOUS SILICA POWDER AND METHOD OF PRODUCING SAME
- Publication number 20230365419
- Publication date Nov 16, 2023
- SAKAI CHEMICAL INDUSTRY CO., LTD.
- Yasuyuki MURAKAMI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COSMETIC
- Publication number 20200297598
- Publication date Sep 24, 2020
- Hisao KOIZUMI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE