Assignee
KWANG CHIEN FONG
TW·3 granted patents·45 citations·filing 1989–1991
Technology mixG06F3
Top patents by PatentIndex Score
3 records- 0154US4880968AOptical input cursor device using optical grid meansKWANG CHIEN FONG·Filed 1989·Granted Nov 14, 1989·26 cites·1 claims
- 0244US4880967ACoordinate vector method for optical input deviceKWANG CHIEN FONG·Filed 1989·Granted Nov 14, 1989·17 cites·3 claims
- 0325US5150106APointing device for rapid moving control of a cursor on a single axisKWANG CHIEN FONG·Filed 1991·Granted Sep 22, 1992·2 cites·8 claims
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