Patent JPS5370449A successfully refreshed from Google Patents.
JPS5370449A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Production of parent material for optical communication
Assignee: Fujikura Ltd
•
Filing: 1976-12-03
•
Granted: —
•
Expires: 1996-12-03
Abstract
Abstract PURPOSE:To prevent the degradation of characteristics owing to the change of doping amount by using a reaction apparatus of a horizontally wide and thin type for generating soot and letting the flow of film form soot collide upon and deposit on the target being revolving.
Inventors
- 👤 Tatsuo Izawa
- 👤 Kazuo Sanada
- 👤 Yutaka Osanai
- 👤 Hideaki Goshima
- 👤 Sadao Chigira
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-08 13:07
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/012; C03B37/014; C03B37/01413; C03B37/0142; C03B2207/00; C03B2207/02; C03B2207/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.