Katsuyoshi Ohki

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing hydrodesulfurization catalyst and hydrodesulf...
- Patent number 6,063,265
- Issue date May 16, 2000
- Cosmo Oil Co., Ltd.
- Osamu Chiyoda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing catalyst composition for use in hydrodesulfur...
- Patent number 5,248,412
- Issue date Sep 28, 1993
- Cosmo Research Institute
- Takashi Fujikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst composition for hydrodesulfurization of hydrocarbon oil an...
- Patent number 5,244,858
- Issue date Sep 14, 1993
- Cosmo Research Institute
- Kazushi Usui
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst composition for hydrodesulfurization of hydrocarbon oil an...
- Patent number 5,182,250
- Issue date Jan 26, 1993
- Cosmo Research Institute
- Kazushi Usui
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing catalyst composition for use in hydrodesulfur...
- Patent number 5,137,859
- Issue date Aug 11, 1992
- Cosmo Research Institute
- Takashi Fujikawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL