Seiji Maehama

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Patents Grantslast 30 patents

Information Patent Grant
CHA-type zeolite and method for producing the same
- Patent number 10,953,390
- Issue date Mar 23, 2021
- Tosoh Corporation
- Seiji Maehama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Metal-containing cha-type zeolite and method for producing the same
- Patent number 10,821,426
- Issue date Nov 3, 2020
- Tosoh Corporation
- Seiji Maehama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing AEI zeolite
- Patent number 10,513,439
- Issue date Dec 24, 2019
- Tosoh Corporation
- Tomoya Ishikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst for olefin polymerization and process for production of ol...
- Patent number 6,034,187
- Issue date Mar 7, 2000
- Tosoh Corporation
- Seiji Maehama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CHA-TYPE ZEOLITE AND METHOD FOR PRODUCING THE SAME
- Publication number 20190143309
- Publication date May 16, 2019
- TOSOH CORPORATION
- Seiji MAEHAMA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METAL-CONTAINING CHA-TYPE ZEOLITE AND METHOD FOR PRODUCING THE SAME
- Publication number 20190105639
- Publication date Apr 11, 2019
- TOSOH CORPORATION
- Seiji MAEHAMA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING AEI ZEOLITE
- Publication number 20180230017
- Publication date Aug 16, 2018
- TOSOH CORPORATION
- Tomoya ISHIKAWA
- C01 - INORGANIC CHEMISTRY