Yuko Ishihara

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aromatic hydroxycarboxylic acid resins and their use
- Patent number 6,040,111
- Issue date Mar 21, 2000
- Mitsui Chemicals, Inc.
- Akio Karasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic hydroxycarboxylic acid resins and their use
- Patent number 5,798,422
- Issue date Aug 25, 1998
- Mitsui Toatsu Chemicals, Inc.
- Akio Karasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic dinitro and diamino intermediates
- Patent number 5,710,334
- Issue date Jan 20, 1998
- Mitsui Toatsu Chemicals, Inc.
- Yuko Ishihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Readily soluble, amorphous polyimide, and preparation process of same
- Patent number 5,480,965
- Issue date Jan 2, 1996
- Mitsui Toatsu Chemicals, Inc.
- Wataru Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic diamine intermediates useful in the preparation of polyimides
- Patent number 5,354,890
- Issue date Oct 11, 1994
- Mitsui Toatsu Chemicals, Inc.
- Shoji Tamai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic diamine intermediates useful in the preparation of polyimide
- Patent number 5,322,962
- Issue date Jun 21, 1994
- Mitsui Toatsu Chemicals, Inc.
- Shoji Tamai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyimide and process for the preparation thereof
- Patent number 5,260,388
- Issue date Nov 9, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Shoji Tamai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic diamine compound, preparation process of same and polyimid...
- Patent number 5,231,160
- Issue date Jul 27, 1993
- Mitsui Toatsu Chemicals, Incorporated
- Shoji Tamai
- C07 - ORGANIC CHEMISTRY

Yuko Ishihara

Person

Patents Grantslast 30 patents

Aromatic hydroxycarboxylic acid resins and their use

Aromatic hydroxycarboxylic acid resins and their use

Aromatic dinitro and diamino intermediates

Readily soluble, amorphous polyimide, and preparation process of same

Aromatic diamine intermediates useful in the preparation of polyimides

Aromatic diamine intermediates useful in the preparation of polyimide

Polyimide and process for the preparation thereof

Aromatic diamine compound, preparation process of same and polyimid...