Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7953761 | System, method, and apparatus for retrieving structured document and apparatus for managing structured document | — | 2011-05-31 |
| 7293018 | Apparatus, method, and program for retrieving structured documents | Masakazu Hattori, Takuya Kanawa, Hiroshi Niina, Shozo Isobe | 2007-11-06 |
| 7231386 | Apparatus, method, and program for retrieving structured documents | Takuya Kanawa, Hiroshi Niina, Shozo Isobe, Masakazu Hattori | 2007-06-12 |
| 7080067 | Apparatus, method, and program for retrieving structured documents | Takuya Kanawa, Hiroshi Niina, Shozo Isobe, Masakazu Hattori | 2006-07-18 |
| 7054854 | Structured document search method, structured document search apparatus and structured document search system | Masakazu Hattori, Takuya Kanawa | 2006-05-30 |
| 6889223 | Apparatus, method, and program for retrieving structured documents | Masakazu Hattori, Takuya Kanawa, Hiroshi Niina, Shozo Isobe | 2005-05-03 |