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Inventor

Yasuji Nagayama

Inventor
Itami, JP

Overview

4→
Patents
1983–1996
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G11Cprimary
G11CStatic stores33%
H10DInorganic electric semiconductor devices33%
G05FSystems for regulating electric or magnetic variables17%
H03KPulse technique17%
PatentTitleYear
5,523,977'Testing semiconductor memory device having test circuit'19964,985,641'Semiconductor integrated circuit device having selectable operational functions'19914,404,661'Semiconductor memory circuit'19834,377,756'Substrate bias circuit'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1996Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history
1983Based in Itami, JP· patent location history
1991Based in Hirayama; Kazutoshi, JP· patent location history
1996Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP41983–1996
Locations
LocationPatentsSpan
Itami, JP21983
Hyogo, JP11996
Hirayama; Kazutoshi, JP11991