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Inventor

Yojiro Sumi

Inventor
Kanagawa, JP

Overview

3→
Patents
2012–2013
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.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer100%
PatentTitleYear
8,553,516'Reproducing device and optical path length servo control method'20138,488,430'Recording medium and reproducing apparatus'20138,305,866'Pickup apparatus, optical recording and reproduction apparatus, and recording and reproduction method'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to SUMI YOJIRO (3)· patent assignee history
2012–2013Patents assigned to MIURA TAKAHIRO (2)· patent assignee history
2012–2013Patents assigned to SAITO KIMIHIRO (2)· patent assignee history
2012–2013Patents assigned to SONY CORP (2)· patent assignee history
2012–2013Based in Kanagawa, JP· patent location history
2013Patents assigned to KOBAYASHI SEIJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMI YOJIROself32012–2013
MIURA TAKAHIRO22012–2013
SAITO KIMIHIRO22012–2013
SONY CORP22012–2013
KOBAYASHI SEIJI12013
Locations
LocationPatentsSpan
Kanagawa, JP32012–2013