Sumito KUMAGAI

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Patents Grantslast 30 patents

Information Patent Grant
Water-absorbent resin powder and production method thereof
- Patent number 12,187,860
- Issue date Jan 7, 2025
- Nippon Shokubai Co., Ltd.
- Tsuyoshi Yorino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Draw Solute and Water Treatment Equipment
- Publication number 20240157298
- Publication date May 16, 2024
- NIPPON SHOKUBAI CO., LTD
- Sumito Kumagai
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
WATER-ABSORBENT RESIN POWDER AND PRODUCTION METHOD THEREOF
- Publication number 20210115198
- Publication date Apr 22, 2021
- Nippon Shokubai Co., Ltd.
- Tsuyoshi YORINO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...