Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031296 | Construction machine | Hiroaki FUJISHIMA, Hiroshi Kumagai | 2024-07-09 |
| 7333983 | 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 | Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2008-02-19 |
| 7231388 | Similar document retrieving method and system | Tadataka Matsubayashi, Katsumi Tada, Yoshifumi Sato, Shin Yamamoto | 2007-06-12 |
| 7200587 | Method of searching similar document, system for performing the same and program for processing the same | Tadataka Matsubayashi, Katsumi Tada, Yoshifumi Sato, Jugo Noda | 2007-04-03 |
| 7130849 | Similarity-based search method by relevance feedback | Takaaki Yayoi, Tadataka Matsubayashi, Yuichi Ogawa, Shinya Yamamoto, Masayuki Hamakawa | 2006-10-31 |
| 7054860 | Method and system for retrieving a document and computer readable storage medium | Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2006-05-30 |
| 7039636 | Document retrieval method and document retrieval system | Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Tadataka Matsubayashi, Yasushi Kawashimo | 2006-05-02 |
| 6865571 | Document retrieval method and system and computer readable storage medium | Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2005-03-08 |
| 6757676 | Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axes | Natsuko Sugaya, Katsumi Tada, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2004-06-29 |
| 6738786 | Data display method and apparatus for use in text mining | Natsuko Sugaya, Katsumi Tada, Yoshifumi Sato, Tadataka Matsubayashi, Mikihiko Tokunaga | 2004-05-18 |
| 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 | Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-12-16 |
| 6665668 | Document retrieval method and system and computer readable storage medium | Natsuko Sugaya, Katsumi Tada, Tadataka Matsubayashi, Akihiko Yamaguchi, 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 | Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-04-15 |