Patent JPS59198568A successfully refreshed from Google Patents.
JPS59198568A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
magnetic disk device
Assignee: Hitachi Ltd
•
Filing: 1983-04-27
•
Granted: —
•
Expires: 2003-04-27
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
- 👤 Atsushi Ishikawa
- 👤 淳 石川
- 👤 Nobuyoshi Ushijima
- 👤 牛島 信義
- 👤 Kazuyoshi Hanada
- 👤 一良 花田
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-02 20:58
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/10; G11B5/11; G11B5/48; G11B5/54; G11B5/55; G11B5/5521
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.