Havit Co., Ltd.

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Daejeon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Solid-state imaging device into which optical low pass filter is in...
- Patent number 6,819,361
- Issue date Nov 16, 2004
- Havit Co., Ltd.
- Jae Chul Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical phase grating low pass filter
- Patent number 6,404,554
- Issue date Jun 11, 2002
- Havit Co., Ltd.
- Jae Chul Lee
- G02 - OPTICS
Information Patent Grant
Method for fabricating grating pattern
- Patent number 6,361,927
- Issue date Mar 26, 2002
- Havit Co., Ltd.
- Byung Sun Park
- G02 - OPTICS