Kenji Maruhashi

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Yokohama, JP

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Patents Grantslast 30 patents

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 producing uroporphyrin III
- Patent number 4,370,415
- Issue date Jan 25, 1983
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating and recovering coproporphyrin and uroporphyr...
- Patent number 4,347,184
- Issue date Aug 31, 1982
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing coproporphyrin III
- Patent number 4,334,021
- Issue date Jun 8, 1982
- Nippon Oil Company, Ltd.
- Ichiro Kojima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...