Inventor · disambiguated record
Chi F. Tung
Also filed as: LAIRD JAMES A · TUNG CHI F · TUNG CHI FANG
15 granted patents·1,000 citations·filing 1973–1985
96Inventor score
Files withMINNESOTA MINING & MFG15
Top patents by PatentIndex Score
15 records- 0198US3946130ATransparent glass microspheres and products made therefromMINNESOTA MINING & MFG·Filed 1974·Granted Mar 23, 1976·91 cites·12 claims
- 0297US4248932AExtended-life pavement-marking sheet materialMINNESOTA MINING & MFG·Filed 1979·Granted Feb 3, 1981·119 cites·21 claims
- 0396US4192576AUltra-high-index glass microspheres and products made therefromMINNESOTA MINING & MFG·Filed 1978·Granted Mar 11, 1980·82 cites·14 claims
- 0495US4511210ARetroreflective sheetingMINNESOTA MINING & MFG·Filed 1983·Granted Apr 16, 1985·88 cites·7 claims
- 0595US4367920ARetroflective sheetingMINNESOTA MINING & MFG·Filed 1981·Granted Jan 11, 1983·104 cites·19 claims
- 0695US4367919ADurable glass elementsMINNESOTA MINING & MFG·Filed 1981·Granted Jan 11, 1983·98 cites·14 claims
- 0793US4678695AEncapsulated flattop retroreflective sheeting and method for producing the sameMINNESOTA MINING & MFG·Filed 1985·Granted Jul 7, 1987·76 cites·15 claims
- 0890US4005538AInternally illuminated retroreflective signsMINNESOTA MINING & MFG·Filed 1975·Granted Feb 1, 1977·58 cites·2 claims
- 0989US4712868AExpanded retroreflective sheet materialMINNESOTA MINING & MFG·Filed 1985·Granted Dec 15, 1987·68 cites·5 claims
- 1088US4569857ARetroreflective sheetingMINNESOTA MINING & MFG·Filed 1984·Granted Feb 11, 1986·52 cites·7 claims
- 1187US3934065ARetroreflective sheet materialMINNESOTA MINING & MFG·Filed 1973·Granted Jan 20, 1976·49 cites·7 claims
- 1286US4348312AUltra-high-index glass microspheres and products made therefrom with a fluoropolymer and an ester polymer blendMINNESOTA MINING & MFG·Filed 1981·Granted Sep 7, 1982·40 cites·5 claims
- 1375US4377988AReflective animal collar and material for forming such a collarMINNESOTA MINING & MFG·Filed 1981·Granted Mar 29, 1983·30 cites·12 claims
- 1471US4100625AHelmets and other articles reflectorized with retroreflective platelet particlesMINNESOTA MINING & MFG·Filed 1977·Granted Jul 18, 1978·26 cites·6 claims
- 1570US4004930AFluid composition for forming retroreflective structuresMINNESOTA MINING & MFG·Filed 1975·Granted Jan 25, 1977·19 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →