Assignee
HOYA ELECTRONICS CORP
US·2 granted patents·104 citations·filing 1988–1991
Top patents by PatentIndex Score
2 records- 0191US4945432AMagnetic disk drive with brittle disksHOYA ELECTRONICS CORP·Filed 1988·Granted Jul 31, 1990·74 cites·30 claims
- 0281US5316844AMagnetic recording medium comprising an aluminum alloy substrate, now magnetic underlayers, magnetic layer, protective layer, particulate containing protective layer and lubricant layerHOYA ELECTRONICS CORP·Filed 1991·Granted May 31, 1994·30 cites·18 claims
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