Inventor
Masaoki Ohtsuka
Inventor
Kawasaki, JP
Overview
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 transducer57%
G06FElectric digital data processing43%
PatentTitleYear
6,563,776'Information storage apparatus for monitoring a number of defective sectors included in a zone so as to select a substitutional area from a different zone'20036,434,106'Optical information storage unit and laser power control method'20026,131,137'Drive control unit and optical memory apparatus'20006,088,765'Removable medium data storage apparatus, optical disk apparatus and data transfer control method'20005,829,017'Removable medium data storage with pre-reading before issuance of a first read command'19985,590,096'Rewritable storage apparatus using first and second bias magnetic fields'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2003Patents assigned to FUJITSU LTD (6)· patent assignee history
1996–2003Based in Kawasaki, JP· patent location history
2000Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 6 | 1996–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 5 | 1996–2003 |
| Kanagawa, JP | 1 | 2000 |