JPS60157740A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
optical disc
Assignee: Ricoh Co Ltd
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Filing: 1984-01-27
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Granted: —
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Expires: 2004-01-27
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
- 👤 Wasaku Yamada
- 👤 山田 和作
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/2407; G11B7/24085; G11B7/08; G11B7/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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