Inventor
Mitsuru Harai
Inventor
Tokyo, JP
Overview
Patents· 5 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
8,004,941'Optical disk apparatus and test writing method'20117,944,787'Method for adjusting a focus position on an optical disc and an optical disc apparatus applying the same therein'20117,626,903'Optical disc apparatus and information recording and reproducing method'20097,616,533'Optical disc apparatus and access control method of the same'20097,570,550'Focus servo recovery processing method for optical disc device and optical disc device'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2011Patents assigned to HITACHI LG DATA STORAGE INC (5)· patent assignee history
2009–2011Based in Tokyo, JP· patent location history
2011Patents assigned to HITACHI LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LG DATA STORAGE INC | 5 | 2009–2011 |
| HITACHI LTD | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2009–2011 |