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Structured document signature device, structured document adaptation device and structured document verification device App 20050063545 - Fujimoto, Hiroshi ;   et al. | 2005-03-24 |
Hypertext analyzing system and method Grant 6,782,423 - Nakayama , et al. August 24, 2 | 2004-08-24 |
Communication terminal, value entity providing server, application delivery server, electronic procurement supporting method, and electronic procurement supporting program App 20040147251 - Nakayama, Takehiro ;   et al. | 2004-07-29 |
Information retrieval apparatus and computer-readable recording medium having information retrieval program recorded therein Grant 6,622,139 - Nakayama , et al. September 16, 2 | 2003-09-16 |
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Method and apparatus for highlighting and categorizing documents using coded word tokens Grant 5,526,443 - Nakayama June 11, 1 | 1996-06-11 |
Method and apparatus for automatic language determination of European script documents Grant 5,377,280 - Nakayama December 27, 1 | 1994-12-27 |