Kenji Sonoyama

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Ube, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing aqueous polyimide precursor solution composition
- Patent number 11,401,418
- Issue date Aug 2, 2022
- Ube Industries, Ltd.
- Takeshige Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Production process of polyimide film laminate, and polyimide film l...
- Patent number 9,187,676
- Issue date Nov 17, 2015
- Ube Industries, Ltd.
- Tomonori Nakayama
- B32 - LAYERED PRODUCTS
Information Patent Grant
Dicing tape
- Patent number 6,929,856
- Issue date Aug 16, 2005
- Ube Industries, Ltd.
- Seiji Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adhesive polyimide siloxane composition employable for combining el...
- Patent number 5,728,473
- Issue date Mar 17, 1998
- Ube Industries, Ltd.
- Hiroshi Inoue
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING AQUEOUS POLYIMIDE PRECURSOR SOLUTION COMPOSITION
- Publication number 20200224029
- Publication date Jul 16, 2020
- Ube Industries, Ltd.
- Takeshige Nakayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AQUEOUS POLYIMIDE PRECURSOR SOLUTION COMPOSITION AND METHOD FOR PRO...
- Publication number 20130171520
- Publication date Jul 4, 2013
- Ube Industries, Ltd.
- Takeshige Nakayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRODUCTION PROCESS OF POLYIMIDE FILM LAMINATE, AND POLYIMIDE FILM L...
- Publication number 20130115473
- Publication date May 9, 2013
- Ube Industries, Ltd.
- Tomonori Nakayama
- B32 - LAYERED PRODUCTS
Information Patent Application
Dicing tape
- Publication number 20040023043
- Publication date Feb 5, 2004
- UBE INDUSTRIES, LTD., a Japanese corporation
- Seiji Ishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...