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Toshinobu Higashimura
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Kyoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing star compounds
Patent number
5,102,966
Issue date
Apr 7, 1992
Sekisui Chemical Co., Ltd.
Toshinobu Higashimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer and a membrane having an improved gas-permeability and sele...
Patent number
4,778,868
Issue date
Oct 18, 1988
Toshinobu Higashimura
Toshinobu Higashimura
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Polymer and a membrane having an improved gas-permeability and sele...
Patent number
4,755,193
Issue date
Jul 5, 1988
Higashimura; Toshinobu
Toshinobu Higashimura
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of reactive polymers and polymers prepared...
Patent number
4,696,988
Issue date
Sep 29, 1987
Sumitomo Chemical Company, Limited
Toshinobu Higashimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Membranes for liquid separations
Patent number
4,591,440
Issue date
May 27, 1986
Toray Industries, Incorporated
Toshinobu Higashimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL