Inventor · disambiguated record
Sadao Matsumoto
Also filed as: MATSUMOTO SADAO
10 granted patents·2 pending applications·58 citations·filing 1978–2007
88Inventor score
Top patents by PatentIndex Score
12 records- 0181US8153273B2Surface treated electrodeposited copper foil and circuit boardSAITO TAKAHIRO·Filed 2007·Granted Apr 10, 2012·2 cites·4 claims
- 0271US4259610AElectron gun assembly for cathode ray tubes and method of assembling the sameTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Mar 31, 1981·13 cites·8 claims
- 0364US7215235B2Conductive substrate with resistance layer, resistance board, and resistance circuit boardFURUKAWA CIRCUIT FOIL·Filed 2004·Granted May 8, 2007·6 cites·10 claims
- 0458US6653629B2Specimen inspection instrumentJEOL LTD·Filed 2001·Granted Nov 25, 2003·5 cites·16 claims
- 0558US6034469AImpregnated type cathode assembly, cathode substrate for use in the assembly, electron gun using the assembly, and electron tube using the cathode assemblyTOSHIBA KK·Filed 1996·Granted Mar 7, 2000·10 cites·8 claims
- 0652US6447355B1Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity regionTOSHIBA KK·Filed 1999·Granted Sep 10, 2002·7 cites·4 claims
- 0746US5027029AIndirectly heated cathode assembly and its associated electron gun structureTOSHIBA KK·Filed 1989·Granted Jun 25, 1991·6 cites·7 claims
- 0845US2007228443A1Conductive base material with thin film resistance layer, method of production of conductive base material with thin film resistance layer, and circuit board with thin film resistance layerFURUKAWA ELECTRIC CO LTD·Filed 2007·Application pending·0 cites
- 0944US7794578B2Method for preparing a circuit board material having a conductive base and a resistance layerFURUKAWA ELECTRIC CO LTD·Filed 2003·Granted Sep 14, 2010·1 cites·7 claims
- 1043US6304024B1Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity regionTOSHIBA KK·Filed 1999·Granted Oct 16, 2001·4 cites·10 claims
- 1142US2005280498A1Conductive base material with resistance layer and circuit board material with resistance layerKIKUCHI YUUKI·Filed 2005·Application pending·0 cites
- 1224US5380242ACoin processor for use with automatic vending machinesSANYO ELECTRIC CO·Filed 1993·Granted Jan 10, 1995·4 cites·4 claims
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