US Patent No: 6,559,902
Number of patents in Portfolio can not be more than 2000
Touch panel
Stats
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May 6, 2003
Issued date -
Sep 11, 2000
filing date -
09/623,981
serial no -
In Force
status
Importance
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Abstract
An upper electrode sheet having a transparent electrode formed on a transparent film of polyethylene terephthalate and a lower electrode sheet having a transparent electrode formed on a transparent film of polycarbonate are arranged opposite to each other via a plurality of spacers of an insulating substance between the electrodes, with a transparent hold plate of a polycarbonate plate being bonded over an entire face to a lower face of the lower electrode sheet via a transparent adhesion layer.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,329,044 Transparent conductive film and method of making the film | 11 | 1999 | |
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| 4,527,862 Liquid crystal display keyboard | 29 | 1983 | |
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| 5,541,370 Pressure-sensitive pad and production thereof | 9 | 1994 | |
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| 6,118,889 Signature input apparatus and a signature verification system | 22 | 1998 | |
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| 5,844,175 Analog-type transparent touch panel with improved electrode arrangement and simplified method for producing the same | 22 | 1996 | |
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| 6,016,134 Liquid crystal display device having a transparent input touch panel | 19 | 1997 | |
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| 6,310,614 Touch-panel input device | 24 | 1999 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 6, 2014 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |