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Inventor

Masahiko Sakaguchi

Inventor
Hyogo, JP

Overview

7→
Patents
1995–2006
Patent span
Physics
Primary field (CPC G)

Patents· 7 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 transducer50%
G01CMeasuring distances, levels or bearings20%
G06FElectric digital data processing10%
H02HEmergency protective circuit arrangements10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
7,064,916'Magnetic tape apparatus with cleaning medium and method of controlling same'20066,775,086'Magnetic tape apparatus and method for controlling the running of a magnetic tape to stop at a stop position'20046,683,741'Magnetic tape device with mechanism for controlling threading operation'20045,982,120'Library apparatus having a motor driving control including abnormal motor and excess current detecting circuits'19995,902,348'Method and system for deriving travel distance of vehicle'19995,463,605'Method of processing information of recording disc and apparatus for processing the same'19955,383,128'Navigation device'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1999Patents assigned to PIONEER ELECTRONIC CORP (3)· patent assignee history
1995Based in Kawagoe, JP· patent location history
1999–2006Patents assigned to FUJITSU LTD (4)· patent assignee history
1999Based in Kawasaki, JP· patent location history
1999Based in Saitama, JP· patent location history
2004–2006Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD41999–2006
PIONEER ELECTRONIC CORP31995–1999
Locations
LocationPatentsSpan
Hyogo, JP32004–2006
Kawagoe, JP21995
Kawasaki, JP11999
Saitama, JP11999