Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10628488 | Document retrieval system and retrieval method | Atsushi Hatakeyama | 2020-04-21 |
| 10423613 | Data search method and data search system | Natsuko Sugaya, Atsushi Hatakeyama | 2019-09-24 |
| 10394870 | Search method | Natsuko Sugaya, Atsushi Hatakeyama | 2019-08-27 |
| 7711726 | Method, system and program for creating an index | Yukio Nakano | 2010-05-04 |
| 7689545 | System and method to enable parallel text search using in-charge index ranges | Tadataka Matsubayashi, Yuichi Ogawa, Masaki Yotsutani, Shinya Yamamoto | 2010-03-30 |
| 7440938 | Method and apparatus for calculating similarity among documents | Tadataka Matsubayashi, Natsuko Sugaya, Yuichi Ogawa, Yuuki Watanabe, Shinya Yamamoto +1 more | 2008-10-21 |