Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7702865 | Storage system and data migration method | Hiroshi Yamakawa, Shoichi Fukumoto | 2010-04-20 |
| 7506101 | Data migration method and system | Fuming Liu, Shoichi Fukumoto | 2009-03-17 |
| 7120625 | Method and apparatus for document information management | Hideko Kagimasa, Toru Takahashi | 2006-10-10 |
| 7054860 | Method and system for retrieving a document and computer readable storage medium | Yasuhiko Inaba, Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi | 2006-05-30 |
| 6865571 | Document retrieval method and system and computer readable storage medium | Yasuhiko Inaba, Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi | 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, Yasuhiko Inaba | 2004-06-29 |
| 6738786 | Data display method and apparatus for use in text mining | Natsuko Sugaya, Katsumi Tada, Yoshifumi Sato, Tadataka Matsubayashi, Yasuhiko Inaba | 2004-05-18 |
| 4979109 | Method of controlling a data dictionary directory system in a data base system | Kazuaki Tanaka, Ichiro Yokoyama, Satoshi Wakayama, Yoshito Kamegi, Makoto Urakawa +3 more | 1990-12-18 |
| 4833597 | Dictionary/directory management method in database system | Satoshi Wakayama, Ichiro Yokoyama, Kazuaki Tanaka, Yoshito Kamegi, Takeshi Kamoshida +1 more | 1989-05-23 |