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Patent JP3148770B2 successfully refreshed from Google Patents.
JP3148770B2
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Photomask and mask pattern data processing method
Assignee: NTT Inc
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Filing: 1992-03-27
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Granted: 2001-03-26
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Expires: 2012-03-27
Abstract
No abstract record available.
Inventors
- 👤 一彦 小松
- 👤 恵美 為近
- 👤 俊文 渡辺
Bibliographic Details
Application Number
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Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 22:13
CPC Classifications
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