Inventor
YOSHIDA ISAMU
JP58 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA ISAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
30 patentsUS5068712ANov 26, 1991
Semiconductor device
HITACHI LTD165 citations99
US6081023AJun 27, 2000
Semiconductor device
HITACHI LTD28 citations96
US5914531AJun 22, 1999
Semiconductor device having a ball grid array package structure using a supporting frame
HITACHI LTD68 citations96
US5793099AAug 11, 1998
Semiconductor device
HITACHI LTD30 citations96
US5612569AMar 18, 1997
Semiconductor device
HITACHI LTD35 citations96
US5530286AJun 25, 1996
Semiconductor device
HITACHI LTD53 citations96
US5358904AOct 25, 1994
Semiconductor device
HITACHI LTD47 citations96
US5811877ASep 22, 1998
Semiconductor device structure
HITACHI LTD84 citations95
US5371044ADec 6, 1994
Method of uniformly encapsulating a semiconductor device in resin
HITACHI LTD60 citations95
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
US6018191AJan 25, 2000
Semiconductor device
HITACHI LTD18 citations93
US4983110AJan 8, 1991
Resin encapsulating apparatus for semiconductor devices
HITACHI LTD23 citations93
US4946633AAug 7, 1990
Method of producing semiconductor devices
HITACHI LTD32 citations93
US6114192ASep 5, 2000
Method of manufacturing a semiconductor device having a ball grid array package structure using a supporting frame
HITACHI LTD39 citations92
US7215886B2May 8, 2007
Optical communication module
HITACHI LTD23 citations90
US7445455B2Nov 4, 2008
Electronic device
HITACHI LTD17 citations84
US7679176B2Mar 16, 2010
Semiconductor device and electronic control unit using the same
HITACHI LTD10 citations83
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
US5863817AJan 26, 1999
Semiconductor device
HITACHI LTD7 citations82
US5821606AOct 13, 1998
Semiconductor device
HITACHI LTD9 citations82
US6124629ASep 26, 2000
Semiconductor device including a resin sealing member which exposes the rear surface of the sealed semiconductor chip
HITACHI LTD3 citations74
US5125821AJun 30, 1992
Resin flow and curing measuring device
HITACHI LTD19 citations73
US6100115AAug 8, 2000
Semiconductor device
HITACHI LTD1 citations63
US11244877B2Feb 8, 2022
Sealing structure and manufacturing method thereof
HITACHI LTD0 citations62
NTN TOYO BEARING CO LTD
10 patentsUS6454042B1Sep 24, 2002
Ball screw and electrically powered steering device having the ball screw
NTN TOYO BEARING CO LTD40 citations93
US6464034B1Oct 15, 2002
Electrically powered steering device
NTN TOYO BEARING CO LTD55 citations92
US6439338B2Aug 27, 2002
Ball screw mechanism and electrically powered steering device utilizing the same
NTN TOYO BEARING CO LTD31 citations92
US6178839B1Jan 30, 2001
Ball screw with lubricating grease and seal member of solid lubricating composition
NTN TOYO BEARING CO LTD21 citations90
US6736235B2May 18, 2004
Powered steering device and ball screw mechanism therefor
NTN TOYO BEARING CO LTD19 citations84
US6662921B2Dec 16, 2003
Wheel steering apparatus
NTN TOYO BEARING CO LTD14 citations84
US7004860B2Feb 28, 2006
Belt type infinite variable-speed drive
NTN TOYO BEARING CO LTD9 citations72
US6227839B1May 8, 2001
Driving device for injection molding machine
NTN TOYO BEARING CO LTD8 citations71
US7062987B2Jun 20, 2006
Ball bearing and a continuously variable speed transmission of belt type
NTN TOYO BEARING CO LTD4 citations62
US6991062B2Jan 31, 2006
Ball screw and wheel steering device having the same
NTN TOYO BEARING CO LTD3 citations62
TAKEDA CHEMICAL INDUSTRIES LTD
5 patentsUS4517290AMay 14, 1985
Method for enzyme immunoassay and peptide-enzyme conjugate and antibody therefor
TAKEDA CHEMICAL INDUSTRIES LTD33 citations93
US4496658AJan 29, 1985
Method for enzyme immunoassay and production of antibody
TAKEDA CHEMICAL INDUSTRIES LTD34 citations93
US4292038ASep 29, 1981
Formamide-containing latex agglutinating reagent for immunoassay
TAKEDA CHEMICAL INDUSTRIES LTD17 citations74
US4270923AJun 2, 1981
Pretreatment agent for subject fluid in pregnancy test
TAKEDA CHEMICAL INDUSTRIES LTD15 citations74
US4059491ANov 22, 1977
Diluents for rubella virus hemagglutination-inhibition test
TAKEDA CHEMICAL INDUSTRIES LTD15 citations74
RENESAS TECH CORP
2 patentsTSUBAKIMOTO CHAIN CO
1 patentAZUMA KATSUNORI
1 patent(unassigned)
1 patentShowing the top 50 of 58 patents by PatentIndex Score.