Inventor · disambiguated record
Seiichi Hirata
Also filed as: HIRATA SEIICHI
9 granted patents·254 citations·filing 1986–2002
90Inventor score
Technology areasH10W
Files withTOSHIBA KK9
Top patents by PatentIndex Score
9 records- 0184US5223739APlastic molded semiconductor device having waterproof capTOSHIBA KK·Filed 1990·Granted Jun 29, 1993·82 cites·6 claims
- 0276US4855807ASemiconductor deviceTOSHIBA KK·Filed 1987·Granted Aug 8, 1989·47 cites·7 claims
- 0369US5291374ASemiconductor device having an opening and method of manufacturing the sameTOSHIBA KK·Filed 1991·Granted Mar 1, 1994·41 cites·20 claims
- 0456US6400035B1Microwave semiconductor device with improved heat discharge and electrical properties and manufacturing method thereofTOSHIBA KK·Filed 2001·Granted Jun 4, 2002·6 cites·9 claims
- 0555US4654692ASemiconductor device of resin-seal typeTOSHIBA KK·Filed 1986·Granted Mar 31, 1987·21 cites·5 claims
- 0652US5329068ASemiconductor deviceTOSHIBA KK·Filed 1993·Granted Jul 12, 1994·20 cites·6 claims
- 0750US5448451ALead carrierTOSHIBA KK·Filed 1993·Granted Sep 5, 1995·24 cites·13 claims
- 0847US6528347B2Manufacturing method for making a microwave semiconductor device with improved heat discharge and electric propertiesTOSHIBA KK·Filed 2002·Granted Mar 4, 2003·2 cites·3 claims
- 0940US5371406ASemiconductor deviceTOSHIBA KK·Filed 1993·Granted Dec 6, 1994·11 cites·1 claims
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