Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581207 | Information filtering system and method | Miwako Doi, Osamu Hori, Hideki Hirakawa | 2003-06-17 |
| 6477649 | Information recording apparatus, information reproducing apparatus, and information distribution system | Toru Kambayashi, Koichiro Akiyama, Shuichi Tsujimoto, Hideki Hirakawa, Toshihiro Sugaya | 2002-11-05 |
| 6092091 | Device and method for filtering information, device and method for monitoring updated document information and information storage medium used in same devices | Tatsuya Uehara, Nobuhiro Shimogori, Seiji Miike, Tetsuya Sakai, Masahiro Kajiura | 2000-07-18 |
| 6073170 | Information filtering device and information filtering method | Tatsuya Uehara | 2000-06-06 |
| 6052714 | Information filtering apparatus and method for retrieving a selected article from information sources | Seiji Miike, Masahiro Kajiura, Tetsuya Sakai, Kenji Ono | 2000-04-18 |
| 5907836 | Information filtering apparatus for selecting predetermined article from plural articles to present selected article to user, and method therefore | Tetsuya Sakai, Masahiro Kajiura, Kenji Ono, Seiji Miike | 1999-05-25 |
| 5907841 | Document detection system with improved document detection efficiency | Seiji Miike, Kenji Ono, Yoichi Takebayashi, Kimihito Takeda, Etsuo Ito | 1999-05-25 |
| 5765179 | Language processing application system with status data sharing among language processing functions | Akira Kumano, Hiroshi Kanazawa | 1998-06-09 |
| 5761666 | Document retrieval system | Tetsuya Sakai, Seiji Miike | 1998-06-02 |
| 5664126 | Human interface system for communicating networked users | Hideki Hirakawa, Etsuo Ito, Toshio Okamoto, Shuichi Tsujimoto | 1997-09-02 |
| 5649193 | Document detection system using detection result presentation for facilitating user's comprehension | Hideki Hirakawa, Seiji Miike, Yumi Mizutani | 1997-07-15 |
| 5257186 | Digital computing apparatus for preparing document text | Teruhiko Ukita, Satoshi Kinoshita | 1993-10-26 |