Inventor

Akihiko Ohsaki

Inventor

Hyogo, JP

Overview

1989–2011

Patent span

Electricity

Primary field (CPC H)

Patents· 15 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 h1044%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%

H10BElectronic memory devices15%

H10DInorganic electric semiconductor devices15%

C23CCoating metallic material4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

PatentTitleYear

7,906,848'Semiconductor device'2011 6,780,769'Method of manufacturing structure for connecting interconnect lines including metal layer with thickness larger than thickness of metallic compound layer'2004 6,664,641'Wiring structure for an integrated circuit'2003 6,624,516'Structure for connecting interconnect lines with interposed layer including metal layers and metallic compound layer'2003 6,198,143'Semiconductor device including a layer of thermally stable titanium silicide'2001 5,712,140'Method of manufacturing interconnection structure of a semiconductor device'1998 5,677,243'Method of forming multi-layer interconnection'1997 5,565,708'Semiconductor device comprising composite barrier layer'1996 5,475,267'Multilayer interconnection structure for a semiconductor device'1995 5,313,100'Multilayer interconnection structure for a semiconductor device'1994 5,017,504'Vertical type MOS transistor and method of formation thereof'1991 4,959,329'Semiconductor device'1990 4,953,125'Semiconductor memory device having improved connecting structure of bit line and memory cell'1990 4,887,143'Semiconductor device'1989 4,845,537'Vertical type MOS transistor and method of formation thereof'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to MITSUBISHI ELECTRIC CORP (13)· patent assignee history

1989–2001Based in Hyogo, JP· patent location history

1989–2011Based in Itami, JP· patent location history

2003–2004Based in Tokyo, JP· patent location history

2004Patents assigned to RENESAS TECH CORP (1)· patent assignee history

2011Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	13	1989–2003
RENESAS ELECTRONICS CORP	1	2011
RENESAS TECH CORP	1	2004

Locations

Location	Patents	Span
Hyogo, JP	9	1989–2001
Itami, JP	3	1989–2011
Tokyo, JP	3	2003–2004