Inventor · disambiguated record
Hau C. Lam
Also filed as: LAM HAU C · LAM HAU CHUNG
5 granted patents·1 pending application·194 citations·filing 1979–2004
83Inventor score
Top patents by PatentIndex Score
6 records- 0188US5457453AFolding keyboardFiled 1993·Granted Oct 10, 1995·130 cites·21 claims
- 0272US4258358ADoor opening sensing and alarm producing deviceINT QUARTZ LTD·Filed 1979·Granted Mar 24, 1981·25 cites·58 claims
- 0363US6390699B1Keyboard with moveable base plate providing key travelASSOCIATE TECHNOLOGY LTD·Filed 1999·Granted May 21, 2002·22 cites·21 claims
- 0446US4287513ADoor knob alarm deviceINT QUARTZ LTD·Filed 1979·Granted Sep 1, 1981·10 cites·19 claims
- 0540US4383253AIonization smoke detectorINT QUARTZ LTD·Filed 1979·Granted May 10, 1983·7 cites·9 claims
- 0634US2006001419A1Angular sensor and safety mechanism thereforGRAND DOOR DEV LTD·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →