← Back to Patent Explorer
DE3720184A1 Expired / Lapsed DE ⏱️ 0.0 years remaining

METHOD AND DEVICE FOR CONTROLLING A DC CONTROLLER

Assignee: Hitachi Ltd
•
Filing: 1987-06-16
•
Granted: —
•
Expires: 2007-06-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Makoto Nohmi
  • 👤 Eiji Kozu

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 17:54
CPC Classifications
B; B60; B60L; B60L3/00; B60L3/10; B60L3/106; B60L2200/00; B60L2200/26; B60L2220/00; B60L2220/10; B60L2220/20; B60L2220/30; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/72; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/902; Y10S388/903; Y10S388/907; Y10S388/917; Y10S388/92; Y10S388/923; Y10S388/93

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag