Individual holder
CHIEN FONG K
TW·4 granted patents·104 citations·filing 1988–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0178US4963858AChangeable input ratio mouseCHIEN FONG K·Filed 1989·Granted Oct 16, 1990·76 cites·1 claims
- 0242US5001467AStructure of optical mouseCHIEN FONG K·Filed 1989·Granted Mar 19, 1991·14 cites·2 claims
- 0332US4890334ABuoy structure for detecting fishing groundsCHIEN FONG K·Filed 1988·Granted Dec 26, 1989·6 cites·1 claims
- 0431US5075541AOptical image detecting device with optical image differential capabilityCHIEN FONG K·Filed 1990·Granted Dec 24, 1991·8 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →