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Inventor

Mitsuo Hagiwara

Inventor
Tokyo, JP

Overview

6→
Patents
1987–2015
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer38%
G06FElectric digital data processing25%
F02BInternal-combustion piston engines13%
F02DControlling combustion engines13%
Y02TClimate change mitigation technologies related to transportation13%
PatentTitleYear
9,153,271'Optical disc device'20158,780,680'Optical disc device'20147,995,431'Optical disc device'20117,076,649'Disk drive and computer'20066,393,561'Disk drive computer with programmable nonvolatile memory capable of rewriting a control program of the disk drive'20024,638,782'Apparatus for controlling fuel injection timing in a fuel injection pump'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to DIESEL KIKI CO (1)· patent assignee history
1987Based in Higashimatsuyama, JP· patent location history
2002Patents assigned to HITACHI LTD (1)· patent assignee history
2002–2006Based in Tamamura, JP· patent location history
2006Patents assigned to HITACHI ULSI SYS CO LTD (1)· patent assignee history
2011–2015Patents assigned to RENESAS ELECTRONICS CORP (3)· patent assignee history
2011–2015Based in Tokyo, JP· patent location history
2014Patents assigned to HAGIWARA MITSUO (1)· patent assignee history
2014Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RENESAS ELECTRONICS CORP32011–2015
DIESEL KIKI CO11987
HAGIWARA MITSUOself12014
HITACHI LTD12002
HITACHI ULSI SYS CO LTD12006
Locations
LocationPatentsSpan
Tokyo, JP22011–2015
Tamamura, JP22002–2006
Kanagawa, JP12014
Higashimatsuyama, JP11987