Chang-Heon Kwon

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Seongnam, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming a photoresist film in a semiconductor device...
- Patent number 6,312,518
- Issue date Nov 6, 2001
- Hyundai Electronics Industries Co., Ltd.
- Chang Heon Kwon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for forming a photoresist film in a semiconductor device...
- Patent number 6,090,521
- Issue date Jul 18, 2000
- Hyundai Electronics Industries Co., Ltd.
- Chang Heon Kwon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wafer conveyor system
- Patent number 5,955,857
- Issue date Sep 21, 1999
- Hyundai Electronics Industries Co., Ltd.
- Chang-Heon Kwon
- G05 - CONTROLLING REGULATING
Information Patent Grant
Plasma etching apparatus
- Patent number 5,895,551
- Issue date Apr 20, 1999
- Hyundai Electronics Industries Co., Ltd.
- Chang Heon Kwon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion-implanter having variable ion beam angle control
- Patent number 5,696,382
- Issue date Dec 9, 1997
- Hyundai Electronics Industries Co., Ltd.
- Chang-Heon Kwon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic cartridge-exchanging apparatus and method for mini-disk p...
- Patent number 5,638,348
- Issue date Jun 10, 1997
- Hyundai Electronics Industrial Co., Ltd.
- Chang-Min Kwon
- G11 - INFORMATION STORAGE