Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10489514 | Text visualization system, text visualization method, and recording medium | Takashi Onishi, Kosuke Yamamoto, Masaaki Tsuchida | 2019-11-26 |
| 8983977 | Question answering device, question answering method, and question answering program | Kai Ishikawa | 2015-03-17 |
| 8612207 | Text mining device, method thereof, and program | Yousuke Sakao, Kenji Satoh | 2013-12-17 |
| 8583435 | Request content identification system, request content identification method using natural language, and program | Kai Ishikawa, Shinichi Ando | 2013-11-12 |
| 8521674 | Information analysis system, information analysis method, and information analysis program | Satoshi Nakazawa, Kai Ishikawa, Toshio Takeda | 2013-08-27 |
| 8447589 | Text paraphrasing method and program, conversion rule computing method and program, and text paraphrasing system | Kai Ishikawa | 2013-05-21 |
| 6014672 | Information retrieval system | Kenji Satoh, Kazunori Muraki | 2000-01-11 |