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Ryuichiro Iwamoto
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Sodegaura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrogenation catalyst for hydrocarbon oil, carrier for it, and met...
Patent number
7,598,203
Issue date
Oct 6, 2009
Idemitsu Kosan Co., Ltd.
Narinobu Kagami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrotreating process for residual oil
Patent number
6,406,615
Issue date
Jun 18, 2002
Idemitsu Kosan Co., Ltd.
Ryuichiro Iwamoto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Hydrogenation catalyst and method of hydrogenating heavy oil
Patent number
6,398,950
Issue date
Jun 4, 2002
Idemitsu Kosan Co., Ltd.
Ryuichiro Iwamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for hydrotreating hydrocarbon oil
Patent number
6,328,880
Issue date
Dec 11, 2001
Idemitsu Kosan Co., Ltd.
Mitsuru Yoshita
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Catalyst composition manufacturing method and sulfur-containing hyd...
Patent number
5,565,091
Issue date
Oct 15, 1996
Idemitsu Kosan Co., Ltd.
Akira Iino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for hydrocracking a heavy hydrocarbon oil utilizing a faujas...
Patent number
5,338,437
Issue date
Aug 16, 1994
Research Association for Residual Oil Processing
Ryuichiro Iwamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for hydrodesulfurizing a sulfur-containing hydrocarbon
Patent number
5,336,394
Issue date
Aug 9, 1994
Idemitsu Kosan Co., Ltd.
Akira Iino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrodesulfurizing catalyst composition and method of preparing same
Patent number
5,280,004
Issue date
Jan 18, 1994
Idemitsu Kosan Co., Ltd.
Akira Iino
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrocracking process employing a novel iron-containing aluminosili...
Patent number
5,207,893
Issue date
May 4, 1993
Research Association for Residual Oil Processing
Ryuichiro Iwamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Iron-containing aluminosilicate
Patent number
5,141,737
Issue date
Aug 25, 1992
Research Association for Residual Oil Processing
Ryuichiro Iwamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Faujasite-type aluminosilicates, a method of producing the same, an...
Patent number
5,139,984
Issue date
Aug 18, 1992
Research Association for Residual Oil Processing
Ryuichiro Iwamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
HYDROGENATION CATALYST FOR HYDROCARBON OIL, CARRIER FOR IT, AND MET...
Publication number
20070135300
Publication date
Jun 14, 2007
IDEMITSU KOSAN CO., LTD.
Narinobu Kagami
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL