Inventor · disambiguated record
Masaoki Ohtsuka
Also filed as: OHTSUKA MASAOKI
6 granted patents·127 citations·filing 1994–1999
84Inventor score
Files withFUJITSU LTD6
Top patents by PatentIndex Score
6 records- 0190US5590096ARewritable storage apparatus using first and second bias magnetic fieldsFUJITSU LTD·Filed 1994·Granted Dec 31, 1996·56 cites·14 claims
- 0260US6563776B1Information storage apparatus for monitoring a number of defective sectors included in a zone so as to select a substitutional area from a different zoneFUJITSU LTD·Filed 1999·Granted May 13, 2003·20 cites·10 claims
- 0358US6434106B1Optical information storage unit and laser power control methodFUJITSU LTD·Filed 1999·Granted Aug 13, 2002·14 cites·24 claims
- 0448US6088765ARemovable medium data storage apparatus, optical disk apparatus and data transfer control methodFUJITSU LTD·Filed 1998·Granted Jul 11, 2000·20 cites·5 claims
- 0544US5829017ARemovable medium data storage with pre-reading before issuance of a first read commandFUJITSU LTD·Filed 1995·Granted Oct 27, 1998·17 cites·9 claims
- 0628US6131137ADrive control unit and optical memory apparatusFUJITSU LTD·Filed 1998·Granted Oct 10, 2000·0 cites·21 claims
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