Inventor
Yoshiaki Yoshiura
Inventor
Ushiku, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1050%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1036%
H10BElectronic memory devices7%
H10DInorganic electric semiconductor devices7%
PatentTitleYear
6,780,757'Semiconductor integrated circuit device and method for making the same'20046,583,049'Semiconductor integrated circuit device and method for making the same'20036,538,329'Semiconductor integrated circuit device and method for making the same'20036,300,237'Semiconductor integrated circuit device and method for making the same'20015,904,556'Method for making semiconductor integrated circuit device having interconnection structure using tungsten film'19995,061,985'Semiconductor integrated circuit device and process for producing the same'19914,782,037'Process of fabricating a semiconductor insulated circuit device having a phosphosilicate glass insulating film'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–2003Patents assigned to HITACHI LTD (6)· patent assignee history
1988–1991Patents assigned to HITACHI MICROCUMPUTER ENG (2)· patent assignee history
1988Based in Tanashi, JP· patent location history
1991Based in Irving, TX, US· patent location history
1999–2003Patents assigned to HITACHI ULSI ENG CORP (4)· patent assignee history
1999Patents assigned to HITACHI MICROCOMPUTER SYST (1)· patent assignee history
1999–2004Based in Ushiku, JP· patent location history
2001–2003Patents assigned to HITACHI MICROCOMP SYSTEM LTD (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1988–2003 |
| HITACHI ULSI ENG CORP | 4 | 1999–2003 |
| HITACHI MICROCOMP SYSTEM LTD | 3 | 2001–2003 |
| HITACHI MICROCUMPUTER ENG | 2 | 1988–1991 |
| HITACHI MICROCOMPUTER SYST | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ushiku, JP | 5 | 1999–2004 |
| Irving, Texas, US | 1 | 1991 |
| Tanashi, JP | 1 | 1988 |