Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10038568 | Management device, management method, and computer program product | — | 2018-07-31 |
| 10038699 | Management device, management system, and management method | — | 2018-07-31 |
| 7730069 | Full-text search device performing merge processing by using full-text index-for-registration/ deletion storage part with performing registration/deletion processing by using other full-text index-for-registration/deletion storage part | Kensaku Yamamoto, Yasushi Ogawa, Tetsuya Ikeda, Takuya Hiraoka, Hiroshi Takegawa +1 more | 2010-06-01 |
| 7644097 | Full-text search device performing merge processing by using full-text index-for-registration/deletion storage part with performing registration/deletion processing by using other full-text index-for-registration/deletion storage part | Kensaku Yamamoto, Yasushi Ogawa, Tetsuya Ikeda, Takuya Hiraoka, Hiroshi Takegawa | 2010-01-05 |
| 5680612 | Document retrieval apparatus retrieving document data using calculated record identifier | Hideaki Nakayama, Toshio Itoh, Kensaku Yamamoto, Hiroshi Takegawa, Katsumi Kanasaki +3 more | 1997-10-21 |