Sui K. Hark

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Shatin, HK

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Patents Grantslast 30 patents

Information Patent Grant
Control of liquid crystal devices
- Patent number 5,177,475
- Issue date Jan 5, 1993
- Xerox Corporation
- Joseph F. Stephany
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ferrolectric liquid crystal devices having improved operating prope...
- Patent number 5,111,320
- Issue date May 5, 1992
- Xerox Corporation
- Joseph J. Wysocki
- G02 - OPTICS