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Inventor

Seiichiro Azuma

Inventor
Akishima, JP

Overview

2→
Patents
1994–1995
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Dprimary
H10DInorganic electric semiconductor devices50%
H10BElectronic memory devices25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
PatentTitleYear
5,468,989'Semiconductor integrated circuit device having an improved vertical bipolar transistor structure'19955,342,480'Method of manufacturing a semiconductor integrated circuit device'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to HITACHI LTD (2)· patent assignee history
1994–1995Patents assigned to HITACHI VLSI ENG (2)· patent assignee history
1994Based in Ohme, JP· patent location history
1995Based in Akishima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21994–1995
HITACHI VLSI ENG21994–1995
Locations
LocationPatentsSpan
Akishima, JP11995
Ohme, JP11994