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Toshiyasu Sakakura
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Yatabemachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing polysilane by catalytic dehydrogenative conde...
Patent number
6,610,872
Issue date
Aug 26, 2003
Director-General of Agency of Industrial Science and Technology
Nami Choi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polysilane by catalytic dehydrogenative conde...
Patent number
6,140,448
Issue date
Oct 31, 2000
Director General of Agency of Industrial Science and Technology
Nami Choi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the preparation of a heat-resistant silicon-containing p...
Patent number
5,631,331
Issue date
May 20, 1997
Agency of Industrial Science and Technology
Toshiyasu Sakakura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing polysilanes
Patent number
5,252,766
Issue date
Oct 12, 1993
Director-General of Agency of Industrial Science
Toshiyasu Sakakura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the preparation of an alcohol from hydrocarbon
Patent number
5,104,504
Issue date
Apr 14, 1992
Agency of Industrial Science and Technology
Masato Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing .alpha.-substituted carbonyl compound
Patent number
4,908,451
Issue date
Mar 13, 1990
Agency of Industrial Science and Technology
Masato Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for direct carbonylation of hydrocarbons
Patent number
4,900,413
Issue date
Feb 13, 1990
Agency of Industrial Science and Technology
Toshiyasu Sakakura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation or .alpha.-azo esters
Patent number
4,892,936
Issue date
Jan 9, 1990
Agency of Industrial Science and Technology
Masato Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of producing .alpha.-keto acids
Patent number
4,820,823
Issue date
Apr 11, 1989
Director General of Agency of Industrial Science and Technology
Masato Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of .alpha.-aryl and .alpha.-heteroaryl...
Patent number
4,772,714
Issue date
Sep 20, 1988
Agency of Industrial Science and Technology
Masato Tanaka
C07 - ORGANIC CHEMISTRY