Inventor
YAGUCHI AKIHIRO
JP71 patents
⚠️ This page may combine multiple inventors who share the name “YAGUCHI AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
47 patentsUS5608265AMar 4, 1997
Encapsulated semiconductor device package having holes for electrically conductive material
HITACHI LTD567 citations99
US5068712ANov 26, 1991
Semiconductor device
HITACHI LTD165 citations99
US5571428ANov 5, 1996
Semiconductor leadframe and its production method and plastic encapsulated semiconductor device
HITACHI LTD113 citations98
US5569960AOct 29, 1996
Electronic component, electronic component assembly and electronic component unit
HITACHI LTD105 citations98
US6621154B1Sep 16, 2003
Semiconductor apparatus having stress cushioning layer
HITACHI LTD65 citations96
US6081023AJun 27, 2000
Semiconductor device
HITACHI LTD28 citations96
US5895965AApr 20, 1999
Semiconductor device
HITACHI LTD58 citations96
US5793099AAug 11, 1998
Semiconductor device
HITACHI LTD30 citations96
US5612569AMar 18, 1997
Semiconductor device
HITACHI LTD35 citations96
US5539250AJul 23, 1996
Plastic-molded-type semiconductor device
HITACHI LTD63 citations96
US5530286AJun 25, 1996
Semiconductor device
HITACHI LTD53 citations96
US5437915AAug 1, 1995
Semiconductor leadframe and its production method and plastic encapsulated semiconductor device
HITACHI LTD47 citations96
US5358904AOct 25, 1994
Semiconductor device
HITACHI LTD47 citations96
US5357139AOct 18, 1994
Plastic encapsulated semiconductor device and lead frame
HITACHI LTD58 citations96
US5347429ASep 13, 1994
Plastic-molded-type semiconductor device
HITACHI LTD86 citations96
US5299092AMar 29, 1994
Plastic sealed type semiconductor apparatus
HITACHI LTD80 citations96
US5229643AJul 20, 1993
Semiconductor apparatus and semiconductor package
HITACHI LTD54 citations96
US5159434AOct 27, 1992
Semiconductor device having a particular chip pad structure
HITACHI LTD68 citations96
US5041901AAug 20, 1991
Lead frame and semiconductor device using the same
HITACHI LTD82 citations96
US4942452AJul 17, 1990
Lead frame and semiconductor device
HITACHI LTD72 citations95
US6696765B2Feb 24, 2004
Multi-chip module
HITACHI LTD23 citations93
US6130112AOct 10, 2000
Semiconductor device
HITACHI LTD20 citations93
US6130114AOct 10, 2000
Semiconductor device
HITACHI LTD17 citations93
US6100580AAug 8, 2000
Semiconductor device having all outer leads extending from one side of a resin member
HITACHI LTD17 citations93
US6049128AApr 11, 2000
Semiconductor device
HITACHI LTD21 citations93
US6018191AJan 25, 2000
Semiconductor device
HITACHI LTD18 citations93
US5296737AMar 22, 1994
Semiconductor device with a plurality of face to face chips
HITACHI LTD34 citations93
US5293068AMar 8, 1994
Semiconductor device
HITACHI LTD35 citations93
US5194935AMar 16, 1993
Plastic encapsulated semiconductor device and structure for mounting the same devices having particular radiating fin structure
HITACHI LTD23 citations93
US5047837ASep 10, 1991
Semiconductor device with heat transfer cap
HITACHI LTD46 citations93
US6639315B2Oct 28, 2003
Semiconductor device and mounted semiconductor device structure
HITACHI LTD42 citations92
US6512176B2Jan 28, 2003
Semiconductor device
HITACHI LTD23 citations92
US6465876B1Oct 15, 2002
Semiconductor device and lead frame therefor
HITACHI LTD16 citations92
US6348741B1Feb 19, 2002
Semiconductor apparatus and a manufacturing method thereof
HITACHI LTD25 citations92
US6340793B1Jan 22, 2002
Semiconductor device
HITACHI LTD37 citations92
US5637914AJun 10, 1997
Lead frame and semiconductor device encapsulated by resin
HITACHI LTD24 citations92
US5101263AMar 31, 1992
Semiconductor device and method for manufacturing the same
HITACHI LTD27 citations92
US4987474AJan 22, 1991
Semiconductor device and method of manufacturing the same
HITACHI LTD41 citations92
USRE37690EMay 7, 2002
Lead frame and semiconductor device
HITACHI LTD25 citations91
US5295045AMar 15, 1994
Plastic-molded-type semiconductor device and producing method therefor
HITACHI LTD23 citations91
US6452256B1Sep 17, 2002
Semiconductor device
HITACHI LTD18 citations84
US6326681B1Dec 4, 2001
Semiconductor device
HITACHI LTD14 citations82
US6303982B2Oct 16, 2001
Semiconductor device
HITACHI LTD10 citations82
US6072231AJun 6, 2000
Semiconductor device
HITACHI LTD12 citations82
US6069029AMay 30, 2000
Semiconductor device chip on lead and lead on chip manufacturing
HITACHI LTD13 citations82
US5981315ANov 9, 1999
Semiconductor device
HITACHI LTD7 citations82
US5914530AJun 22, 1999
Semiconductor device
HITACHI LTD15 citations82
YAGUCHI AKIHIRO
1 patentRENESAS TECH CORP
1 patentTANAKA KOTARO
1 patentShowing the top 50 of 71 patents by PatentIndex Score.