Kiyoshi Tagaya

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Funabashi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for the production of alpha type calcium sulfate hemihydrate
- Patent number 4,091,080
- Issue date May 23, 1978
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Jyuniti Kosugi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for the treatment of heavy petroleum oil
- Patent number 4,046,670
- Issue date Sep 6, 1977
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Koji Seguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method for the treatment of heavy petroleum oil
- Patent number 4,042,487
- Issue date Aug 16, 1977
- Kureha Kagako Kogyo Kabushiki Kaisha
- Koji Seguchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL