JPS5437221A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Dc-ac converting circuit of thyristor converter device
Assignee: NTT Inc
•
Filing: 1977-08-30
•
Granted: —
•
Expires: 1997-08-30
Abstract
Abstract PURPOSE: To devise small sizing together with to heighten a reliability by making a current shifting circuit simple. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Seiichi Muroyama
- 👤 Yutaka Kuwata
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-31 13:19
CPC Classifications
—
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.