Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665667 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-12-16 |
| 6665668 | Document retrieval method and system and computer readable storage medium | Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Yasuhiko Inaba, Yousuke Ushiroji | 2003-12-16 |
| 6549898 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-04-15 |
| 6510425 | Document search method for registering documents, generating a structure index with elements having position of occurrence in documents represented by meta-nodes | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Noriyuki Yamasaki | 2003-01-21 |