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Inventor

Masashi Matsumura

Inventor
Itami, JP

Overview

9→
Patents
1996–2014
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G11Cprimary
G11CStatic stores50%
G05FSystems for regulating electric or magnetic variables25%
G06FElectric digital data processing6%
G11BInformation storage based on relative movement between record carrier and transducer6%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications6%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%
PatentTitleYear
8,837,238'Semiconductor device having a plurality of memory modules'20148,599,639'Semiconductor device including internal voltage generation circuit'20138,451,678'Semiconductor device including internal voltage generation circuit'20138,004,923'Semiconductor device including internal voltage generation circuit'20117,656,736'Semiconductor device including internal voltage generation circuit'20107,408,818'Semiconductor device undergoing defect detection test'20085,991,232'Clock synchronous memory embedded semiconductor integrated circuit device'19995,930,194'Semiconductor memory device capable of block writing in large bus width'19995,519,677'Biaxial actuator for driving an objective lens in both focusing and tracking directions'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Based in Chiba, JP· patent location history
1999Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history
1999Patents assigned to MITSUBISHI ELECTRIC ENG (2)· patent assignee history
1999Based in Hyogo, JP· patent location history
2008–2010Patents assigned to RENESAS TECH CORP (2)· patent assignee history
2008–2014Based in Itami, JP· patent location history
2011–2014Patents assigned to RENESAS ELECTRONICS CORP (4)· patent assignee history
2013–2014Patents assigned to MATSUMURA MASASHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS ELECTRONICS CORP42011–2014
MATSUMURA MASASHIself22013–2014
MITSUBISHI ELECTRIC CORP21999
MITSUBISHI ELECTRIC ENG21999
RENESAS TECH CORP22008–2010
Locations
LocationPatentsSpan
Itami, JP62008–2014
Hyogo, JP21999
Chiba, JP11996