Seiichi Hamano

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of transition alumina
- Patent number 5,508,016
- Issue date Apr 16, 1996
- Sumitomo Chemical Co., Ltd.
- Osamu Yamanishi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Heat resistant transition alumina and process for producing the same
- Patent number 5,155,085
- Issue date Oct 13, 1992
- Sumitomo Chemical Company, Limited
- Seiichi Hamano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of low density activated alumina formed...
- Patent number 4,444,899
- Issue date Apr 24, 1984
- Sumitomo Aluminum Smelting Company, Limited
- Koichi Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Hollow catalyst carrier and hollow catalyst made of transition-alum...
- Patent number 4,260,524
- Issue date Apr 7, 1981
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL