Kyeong Ho Chang

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Insulating adhesive tape for a semiconductor chip package having a...
- Patent number 6,452,282
- Issue date Sep 17, 2002
- Saehan Micronics Incorporation
- Jeong Min Kweon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for the preparation of polyamic acid and polyimide
- Patent number 6,320,019
- Issue date Nov 20, 2001
- Saehan Industries Incorporation
- Kyung Rok Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Adhesive tape for electronic parts
- Patent number 6,312,801
- Issue date Nov 6, 2001
- Saehan Industries Incorporation
- Soon Sik Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimide for high temperature adhesive
- Patent number 6,307,008
- Issue date Oct 23, 2001
- Saehan Industries Corporation
- Kyung Rok Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for the preparation of polyamic acid and polymide useful for...
- Patent number 6,252,033
- Issue date Jun 26, 2001
- Saehan Industries Incorporation
- Jeong Min Kweon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
N-vinyllactam derivatives and polymer thereof
- Patent number 5,955,606
- Issue date Sep 21, 1999
- Hyundai Electronics Industries Co., Ltd.
- Jin Baek Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-vinyllactam derivatives and polymer thereof
- Patent number 5,750,680
- Issue date May 12, 1998
- Hyundai Electronics Industries Co., Ltd.
- Jin Baek Kim
- C07 - ORGANIC CHEMISTRY

Kyeong Ho Chang

Person

Patents Grantslast 30 patents

Insulating adhesive tape for a semiconductor chip package having a...

Method for the preparation of polyamic acid and polyimide

Adhesive tape for electronic parts

Polyimide for high temperature adhesive

Method for the preparation of polyamic acid and polymide useful for...

N-vinyllactam derivatives and polymer thereof

N-vinyllactam derivatives and polymer thereof