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Inventor

Haruki Tokumaru

Inventor
Tokyo, JP

Overview

7→
Patents
1995–2013
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 transducer100%
PatentTitleYear
8,607,259'Disk laminate, disk cartridge, disk loading/unloading mechanism, disk conveying device, disk conveying mechanism, and thin disk driving system'20138,549,547'Disk clamping mechanism and disk drive system, with movably supported clamper'20138,495,669'Disk rotating device, disk, disk assembly, disk cartridge, and recording and reproducing device'20138,259,543'Data recording/reproduction method and data recording/reproduction apparatus'20128,228,772'Optimum gap determined recording/reproducing apparatus'20128,077,576'Optimum gap determined recording/reproducing apparatus and method'20115,471,456'Optical medium recording apparatus with a rotatable optical beam deflector'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2013Based in Tokyo, JP· patent location history
2011–2013Patents assigned to KOIDE DAIICHI (6)· patent assignee history
2011–2013Patents assigned to ONAGI NOBUAKI (6)· patent assignee history
2011–2013Patents assigned to RICOH CO LTD (6)· patent assignee history
2011–2013Patents assigned to TAKANO YOSHIMICHI (6)· patent assignee history
2011–2013Patents assigned to TOKUMARU HARUKI (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOIDE DAIICHI62011–2013
ONAGI NOBUAKI62011–2013
RICOH CO LTD62011–2013
TAKANO YOSHIMICHI62011–2013
TOKUMARU HARUKIself62011–2013
Locations
LocationPatentsSpan
Tokyo, JP71995–2013