Inventor
Satoshi Itami
Inventor
Kawasaki, JP
Overview
Patents· 14 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 transducer52%
G06FElectric digital data processing43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,339,564'Optical information recording/reproducing apparatus'20026,278,984'Software processing apparatus writing software to a medium only if identification information in the software corresponds to identification information in the medium'20016,185,166'Optical information recording/reproducing apparatus'20016,011,764'Optical disk and optical disk apparatus'20005,982,886'Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus'19995,875,247'System for decrypting encrypted software'19995,809,300'Removable storage medium and computer system using the same'19985,793,725'Optical information recording/reproducing apparatus having a composite prism with a plurality of emission surfaces'19985,777,965'Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations'19985,684,785'Optical disk and method of preventing fraudulent use of optical disk rotation synchronous control system'19975,623,462'Optical information recording/reproducing apparatus'19975,617,393'Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk erasing operation'19975,418,852'Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus'19955,357,431'Character string retrieval system using index and unit for making the index'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2002Patents assigned to FUJITSU LTD (14)· patent assignee history
1994–2002Based in Kawasaki, JP· patent location history
1998Based in Kawaski, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 14 | 1994–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 13 | 1994–2002 |
| Kawaski, JP | 1 | 1998 |