JPS533091A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Semiconductor laser
Assignee: NTT Inc
•
Filing: 1976-06-29
•
Granted: —
•
Expires: 1996-06-29
Abstract
Abstract PURPOSE:Laser light modulated at a high speed is obtained by injecting the light from an auxiliary semiconductor light emitting region to the resonator within a main semiconductor laser region.
Inventors
- 👤 Yasuo Seki
- 👤 Yoshitaka Furukawa
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-27 06:17
CPC Classifications
H; H01; H01S; H01S5/00; H01S5/06; H01S5/062; H01S5/0625; H01S5/10; H01S5/12
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.