Patent JPS6046683B2 successfully refreshed from Google Patents.
JPS6046683B2
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Manufacturing method of optical branching coupler
Assignee: Fujitsu Ltd
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Filing: 1977-12-20
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Granted: —
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Expires: 1997-12-20
Abstract
No abstract record available.
Inventors
- 👤 正一 栗田
- 👤 信也 奥田
- 👤 啓二 田中
- 👤 清司 寺井
- 👤 二三夫 三田
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 08:58
CPC Classifications
—
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