US Patent No: 7,457,957
Number of patents in Portfolio can not be more than 2000
Apparatus and method for issuing and authenticating securities, etc. using digital watermarking
Stats
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Nov 25, 2008
Issued date -
Jan 12, 2002
filing date -
10/221,401
serial no -
In Force
status
Importance
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Abstract
Simultaneously with a robust watermark and fragile watermark or semi-watermark is embedded into conventional securities, etc., such as gift coupon, various kinds of ticket, coupon, electronic stamp, bond & debenture, note, stock certificate, lottery, paper money, check, etc. and various kinds of public documents including certificates, etc. requiring confirmation and authentication (hereinafter, referred to as "securities, etc.") in the form of digital file. Such watermark-embedded securities, etc. are conveniently issued on-line and are printed out in the form of paper through a printer. The printed securities, etc. are used off-line and are authenticated by determining the forgery or alternation by means of photocopy, etc. through the detection of the embedded watermark.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,311,214 Linking of computers based on optical sensing of digital data | 515 | 1999 | |
| 7,044,395 Embedding and reading imperceptible codes on objects | 96 | 1999 | |
| 6,788,800 Authenticating objects using embedded data | 89 | 2000 | |
| 6,683,966 Watermarking recursive hashes into frequency domain regions | 66 | 2000 | |
| 7,142,691 Watermark embedding functions in rendering description files | 44 | 2001 | |
| 7,181,042 Digital authentication with digital and analog documents | 19 | 2003 | |
| 6,993,154 Measuring digital watermark strength using error correction coding metrics | 34 | 2004 | |
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| 6,230,268 Data control system | 65 | 1998 | |
| 6,396,594 Method for providing flexible and secure administrator-controlled watermarks | 31 | 1999 | |
| 6,834,344 Semi-fragile watermarks | 26 | 1999 | |
| 6,948,066 Technique for establishing provable chain of evidence | 17 | 2001 | |
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| 6,513,118 Electronic watermarking method, electronic information distribution system, image filing apparatus and storage medium therefor | 57 | 1999 | |
| 6,628,417 Data communication apparatus, image server, control method, storage medium, and image system | 64 | 1999 | |
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| 7,003,731 User control and activation of watermark enabled objects | 97 | 2000 | |
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| 6,823,075 Authentication watermarks for printed objects and related applications | 92 | 2001 | |
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| 5,930,369 Secure spread spectrum watermarking for multimedia data | 426 | 1997 | |
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| 6,405,203 Method and program product for preventing unauthorized users from using the content of an electronic storage medium | 124 | 1999 | |
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| 6,804,779 Hierarchical watermarking of content that is distributed via a network | 33 | 2000 | |
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| 7,007,166 Method and system for digital watermarking | 68 | 2000 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 25, 2016 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 25, 2020 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |