Inventor · disambiguated record
Yoichi Oba
Also filed as: EGUCHI SHUSAKU · OBA YOICHI
12 granted patents·370 citations·filing 1973–1990
93Inventor score
Top patents by PatentIndex Score
12 records- 0195US4970354AElectromagnetic wave shielding circuit and production method thereofASAHI CHEM RES LAB·Filed 1989·Granted Nov 13, 1990·121 cites·2 claims
- 0293US4001870AIsolating protective film for semiconductor devices and method for making the sameHITACHI LTD·Filed 1973·Granted Jan 4, 1977·73 cites·20 claims
- 0391US4040083AAluminum oxide layer bonding polymer resin layer to semiconductor deviceHITACHI LTD·Filed 1974·Granted Aug 2, 1977·45 cites·44 claims
- 0479US5222307ADrying method and apparatus thereforINTERFACE TECHNICAL LAB CO LTD·Filed 1990·Granted Jun 29, 1993·31 cites·11 claims
- 0572US4219587AProcess for producing pigment-coated phosphorsHITACHI LTD·Filed 1977·Granted Aug 26, 1980·21 cites·13 claims
- 0661US4086090AFormation of pattern using acrylamide-diacetoneacrylamide copolymerHITACHI LTD·Filed 1975·Granted Apr 25, 1978·14 cites·25 claims
- 0759US4420444AProcess for forming phosphor powder layerHITACHI LTD·Filed 1981·Granted Dec 13, 1983·17 cites·13 claims
- 0856US4229312AMethod of manufacturing a paint composite for magnetic filmsHITACHI LTD·Filed 1979·Granted Oct 21, 1980·8 cites·13 claims
- 0951US4206250AProcess for producing pigment-coated phosphorsHITACHI LTD·Filed 1978·Granted Jun 3, 1980·11 cites·18 claims
- 1045US4837050AMethod for producing electrically conductive circuits on a base boardASAHI CHEM RES LAB·Filed 1987·Granted Jun 6, 1989·12 cites·15 claims
- 1141US5066692AElectromagnetic wave shielding composition comprising epoxy resin and copper particlesASAHI CHEM RES LAB·Filed 1990·Granted Nov 19, 1991·10 cites·2 claims
- 1235US4684054AAutomatic soldering apparatus and method of using the flux to heat the circuit boardASAHI CHEM RES LAB·Filed 1986·Granted Aug 4, 1987·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →