Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832476 | Document searching method using forward and backward citation tables | Kanji Kato, Satoshi Asakawa, Akio Azuma | 1998-11-03 |
| 5748953 | Document search method wherein stored documents and search queries comprise segmented text data of spaced, nonconsecutive text elements and words segmented by predetermined symbols | Natsuko Mizutani, Atsushi Hatakeyama, Hisamitsu Kawaguchi, Kanji Kato, Satoshi Asakawa | 1998-05-05 |
| 5745745 | Text search method and apparatus for structured documents | Atsushi Hatakeyama, Hisamitsu Kawaguchi, Natsuko Mizutani, Kanji Kato, Satoshi Asakawa | 1998-04-28 |
| 5572728 | Conference multimedia summary support system and method | Itaru Mimura, Mitsuru Ikezawa, Taizo Kinoshita | 1996-11-05 |
| 5548346 | Apparatus for integrally controlling audio and video signals in real time and multi-site communication control method | Itaru Mimura, Hirotada Ueda, Shigeo Sumino, Mitsuru Ikezawa, Toshiaki Suzuki +1 more | 1996-08-20 |
| 5548724 | File server system and file access control method of the same | Mitsuru Akizawa, Hirofumi Yamashita, Hisamitsu Kawaguchi, Kanji Kato, Akira Kito +1 more | 1996-08-20 |
| 5471610 | Method for character string collation with filtering function and apparatus | Hisamitsu Kawaguchi, Kanji Kato, Masatsugu Shinozaki | 1995-11-28 |
| 5469354 | Document data processing method and apparatus for document retrieval | Atsushi Hatakeyama, Hiromichi Fujisawa, Kanji Kato, Hisamitsu Kawaguchi, Naoki Minegishi +1 more | 1995-11-21 |