Patent JPS5290919A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS5290919A Expired / Lapsed JP ⏱️ 0.0 years remaining

Thin film magnetic head for high density recording

Assignee: NTT Inc
•
Filing: 1976-01-26
•
Granted: —
•
Expires: 1996-01-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To provide long-term stability and high recording and reproducing efficiency by making an upper magnetic body laterally oblong in shape and providing a protrusion of a track width length.

Inventors

  • 👤 Tomoyuki Toshima
  • 👤 Keiichi Yanagisawa
  • 👤 Kyosuke Yasuda
  • 👤 Takuji Nakanishi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-03 21:25
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/31; G11B5/3109; G11B5/3113; G11B5/3116

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

JPS5214410A Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag