Yutaka Oguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing vitamin B.sub.12 by the fermentation techniqu...
- Patent number 4,544,633
- Issue date Oct 1, 1985
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for separating porphyrins
- Patent number 4,436,663
- Issue date Mar 13, 1984
- Nippon Oil Company, Ltd.
- Kenji Maruhashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for purifying and separating vitamin B.sub.12
- Patent number 4,383,110
- Issue date May 10, 1983
- Nippon Oil Company, Ltd.
- Tatsuo Kinoshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for isolating and recovering butene-1 of high purity
- Patent number 4,356,339
- Issue date Oct 26, 1982
- Nippon Oil Company, Limited
- Masao Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for fluidized contact
- Patent number 4,108,682
- Issue date Aug 22, 1978
- Nippon Oil Company Ltd.
- Hiroo Takeda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL