Patent US5402254B1 successfully refreshed from Google Patents.
US5402254B1
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Liquid crystal display device with tfts in which pixel electrodes are formed in the same plane as the gate electrodes with anodized oxide films before the deposition of silicon
Assignee: Hitachi Ltd
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Filing: 1993-11-24
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Granted: 1998-09-22
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Expires: 2013-11-24
Abstract
No abstract record available.
Inventors
- 👤 Akira Sasano
- 👤 Kazuo Shirahashi
- 👤 Yuka Matsukawa
- 👤 Hideake Taniguchi
- 👤 Hideaki Yamamoto
- 👤 Haruo Matsumaru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:48
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/136; G02F1/1362; G02F1/1368; G02F1/136213; G02F1/13624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-09-21 | 2002-03-23 | 2002-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-09-21 | 2006-03-23 | 2006-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-09-21 | 2010-03-23 | 2010-09-22 | $7700.00 | Window Closed / Lapsed |