Inventor · disambiguated record
Yukifumi Tsuda
Also filed as: SUGITA HARUKO · TSUDA YUKIFUMI
14 granted patents·254 citations·filing 1973–1990
93Inventor score
Top patents by PatentIndex Score
14 records- 0186US4090243AColor separating method and apparatus using statistical techniquesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted May 16, 1978·41 cites·22 claims
- 0281US4394662ADot printer for reproduction of halftone imagesMATSUSHITA RES INST·Filed 1981·Granted Jul 19, 1983·32 cites·21 claims
- 0372US5200799ASystem for optically inspecting conditions of parts packaged on substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 6, 1993·38 cites·1 claims
- 0469US5103105AApparatus for inspecting solder portion of a circuit boardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 7, 1992·30 cites·9 claims
- 0568US4458265AColor image duplicating systemMATSUSHITA RES INST·Filed 1981·Granted Jul 3, 1984·18 cites·13 claims
- 0668US4072958AInk injection type writing system using amplitude-modulated electrical signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Feb 7, 1978·16 cites·7 claims
- 0762US3941922AFacsimile system of run-lengthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1973·Granted Mar 2, 1976·10 cites·2 claims
- 0860US4034406AFacsimile signal transmission systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Jul 5, 1977·9 cites·8 claims
- 0956US4983827ALinescan apparatus for detecting salient pattern of a productMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 8, 1991·15 cites·9 claims
- 1052US4814867AColor correction processor with memory addressed by color component signals having unevenly-distributed data bitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Mar 21, 1989·11 cites·7 claims
- 1152US4180330AMethod of and a system for color separationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Dec 25, 1979·8 cites·8 claims
- 1247US5027418AElectro-optical inspection apparatus for printed-circuit boards with components mounted thereonMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 25, 1991·19 cites·10 claims
- 1340US4020502AMethod and apparatus for separating, combining and rearranging colored imagesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Apr 26, 1977·5 cites·7 claims
- 1432US4011399APhotographic image pick-up and coding system of run-length typeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1974·Granted Mar 8, 1977·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →