Inventor · disambiguated record
Seiji Yamanaka
Also filed as: YAMANAKA SEIJI
8 granted patents·138 citations·filing 1985–1997
88Inventor score
Top patents by PatentIndex Score
8 records- 0174US5071635AMethod of preparing ceramic microspheresMITSUBISHI MATERIALS CORP·Filed 1991·Granted Dec 10, 1991·33 cites·1 claims
- 0273USD296290SToasterTOSHIBA KK·Filed 1985·Granted Jun 21, 1988·16 cites·1 claims
- 0369US5285069AArray of field effect transistors of different threshold voltages in same semiconductor integrated circuitRICOH KK·Filed 1991·Granted Feb 8, 1994·37 cites·16 claims
- 0464US5273776AMethod for forming thermistor thin filmMITSUBISHI MATERIALS CORP·Filed 1992·Granted Dec 28, 1993·20 cites·14 claims
- 0549US5737273ASense amplifier and reading circuit with sense amplifierRICOH KK·Filed 1996·Granted Apr 7, 1998·11 cites·9 claims
- 0645US5729499ASense amplifier and reading circuit with sense amplifierRICOH KK·Filed 1997·Granted Mar 17, 1998·9 cites·2 claims
- 0740US4789653AMethod for production of ceramic compositionMITSUBISHI MINING & CEMENT CO·Filed 1986·Granted Dec 6, 1988·8 cites·8 claims
- 0836US5093291APyroelectric ceramic composite structureMITSUBISHI MINING & CEMENT CO·Filed 1990·Granted Mar 3, 1992·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →