Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9692608 | Communication management apparatus, program, communication management method, and communication management system | — | 2017-06-27 |
| 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, Kazushige Asada +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, Kazushige Asada | 2010-01-05 |
| 5680612 | Document retrieval apparatus retrieving document data using calculated record identifier | Kazushige Asada, Hideaki Nakayama, Toshio Itoh, Kensaku Yamamoto, Katsumi Kanasaki +3 more | 1997-10-21 |