Mayuko SUWA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrocarbon adsorbent
- Patent number 12,330,134
- Issue date Jun 17, 2025
- Mitsui Mining & Smelting Co., Ltd.
- Mayuko Suwa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Exhaust gas purifying composition and production method therefor
- Patent number 12,330,133
- Issue date Jun 17, 2025
- Mitsui Mining & Smelting Co., Ltd.
- Hidekazu Goto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HYDROCARBON ADSORPTION MATERIAL, EXHAUST GAS CLEANING CATALYST, AND...
- Publication number 20230271136
- Publication date Aug 31, 2023
- Mitsui Mining and Smelting Co., Ltd.
- Hidekazu GOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROCARBON ADSORBENT
- Publication number 20230049498
- Publication date Feb 16, 2023
- Mitsui Mining and Smelting Co., Ltd.
- Mayuko SUWA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS PURIFYING COMPOSITION AND PRODUCTION METHOD THEREFOR
- Publication number 20220258123
- Publication date Aug 18, 2022
- Mitsui Mining and Smelting Co., Ltd.
- Hidekazu GOTO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL