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Inventor

Tadashi Sumi

Inventor
Tokyo, JP

Overview

3→
Patents
1986–2008
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G11Cprimary
G11CStatic stores67%
G06FElectric digital data processing33%
PatentTitleYear
7,453,592'Image processing system'20084,872,143'Pseudo static random access memory employing dynamic memory cells'19894,625,298'Semiconductor memory device'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1989Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1986Based in Itami, JP· patent location history
1989Based in Hyogo, JP· patent location history
2008Patents assigned to KONICA CORP (1)· patent assignee history
2008Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP21986–1989
KONICA CORP12008
Locations
LocationPatentsSpan
Tokyo, JP12008
Hyogo, JP11989
Itami, JP11986