JPS5862838A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Recording medium for optical disc
Assignee: Hitachi Ltd
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Filing: 1981-10-12
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Granted: —
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Expires: 2001-10-12
Abstract
Abstract Translated from Japanese (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Inventors
- 👤 Ryoichi Sudo
- 👤 須藤 亮一
- 👤 Takeshi Watanabe
- 👤 渡辺 猛志
- 👤 Takeshi Horiuchi
- 👤 剛 堀内
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-23 04:31
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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