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Yoshiaki Kikuchi
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Waki-cho, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fluidized bed polymerization apparatus and an olefin polymerization...
Patent number
6,897,268
Issue date
May 24, 2005
Mitsui Chemical, Inc.
Ryouichi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluidized bed polymerization apparatus having temperature distribut...
Patent number
6,461,573
Issue date
Oct 8, 2002
Mitsui Chemicals, Inc.
Ryouichi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of multistage gas phase polymerization, apparatus therefor a...
Patent number
6,407,184
Issue date
Jun 18, 2002
Mitsui Chemicals, Inc.
Shotaro Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of vapor phase polymerization, vapor phase polymerizer and b...
Patent number
5,962,607
Issue date
Oct 5, 1999
Mitsui Chemicals, Inc.
Ryoichi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gas distributor plate for a gas phase polymerization apparatus
Patent number
5,753,191
Issue date
May 19, 1998
Mitsui Chemicals, Inc.
Ryoichi Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Quantitative powder feeder capable of feeding powder by fixed amounts
Patent number
5,738,249
Issue date
Apr 14, 1998
Mitsui Petrochemical Industries, Ltd.
Yoshiaki Kikuchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
Fluidized bed polymerization apparatus and an olefin polymerization...
Publication number
20030027949
Publication date
Feb 6, 2003
Mitsui Chemicals, Inc.
Ryouichi Yamamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of vapor phase polymerization, vapor phase polymerizer and b...
Publication number
20020065375
Publication date
May 30, 2002
Ryoichi Yamamoto
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL