Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10565190 | Index tree search method and computer | Tomohiro Hanai, Tsuyoshi Tanaka, Hideo Aoki, Atsushi TOMODA | 2020-02-18 |
| 10515071 | Database management system and database management method using logical addresses and timestamps | Akira Yamamoto | 2019-12-24 |
| 10366075 | Database management system and method | Atsushi TOMODA, Yuuya ISODA | 2019-07-30 |
| 10025675 | Log management method and computer system | Atsushi TOMODA, Yuuya ISODA | 2018-07-17 |
| 9384219 | Computer system, data retrieval method and database management computer | Akira Shimizu, Seisuke Tokuda, Michiko Tanaka, Nobuo Kawamura, Norihiro Hara | 2016-07-05 |
| 9348866 | Database processing method, database processing system and database server | Michiko Tanaka, Akira Shimizu, Seisuke Tokuda, Nobuo Kawamura | 2016-05-24 |
| 9298394 | Data arrangement method and data management system for improving performance using a logical storage volume | Seisuke Tokuda, Akira Shimizu, Michiko Tanaka, Shinji Fujiwara, Nobuo Kawamura | 2016-03-29 |
| 8510316 | Database processing system and method | Akira Shimizu, Seisuke Tokuda, Michiko Tanaka, Shinji Fujiwara, Nobuo Kawamura | 2013-08-13 |
| 8296286 | Database processing method and database processing system | Michiko Tanaka, Akira Shimizu, Seisuke Tokuda, Shinji Fujiwara, Nobuo Kawamura | 2012-10-23 |
| 8041685 | Method of changing system configuration in shared-nothing database management system | Daisuke Ito, Frederico Buchholz Maciel, Shinji Fujiwara | 2011-10-18 |
| 7966307 | Document search method and document search apparatus that use a combination of index-type search and scan-type search | Makoto Iwayama, Osamu Imaichi, Tomohiro Yasuda | 2011-06-21 |
| 7899851 | Indexing method of database management system | Daisuke Ito, Akira Shimizu | 2011-03-01 |
| 7752216 | Retrieval apparatus, retrieval method and retrieval program | Kentaro Chigusa, Tadataka Matsubayashi, Tsuyoshi Sudo | 2010-07-06 |
| 7680813 | Information management system | — | 2010-03-16 |
| 7617265 | Indexing method of database management system | Daisuke Ito, Akira Shimizu | 2009-11-10 |
| 7526509 | Information lifecycle managing system and its data arrangement determining method | Shinji Fujiwara | 2009-04-28 |
| 7370029 | Method of changing system configuration in shared-nothing database management system | Daisuke Ito, Frederico Buchholz Maciel, Shinji Fujiwara | 2008-05-06 |
| 7228416 | Database access method and system capable of concealing the contents of query | Itaru Nishizawa, Takahiko Shintani | 2007-06-05 |
| 7167854 | Database control method | Frederico Buchholz Maciel, Daisuke Ito, Shinji Fujiwara | 2007-01-23 |
| 7111019 | Data warehouse system and query processing method used in the system, and data collecting method and apparatus for the method, and charging method and apparatus in the system | Itaru Nishizawa, Shinji Fujiwara, Shigekazu Inohara | 2006-09-19 |
| 6898594 | Integrated database system and program storage medium | Itaru Nishizawa, Takahiko Shintani | 2005-05-24 |
| 6832216 | Method and system for mining association rules with negative items | Takahiko Shintani, Itaru Nishizawa | 2004-12-14 |
| 6381601 | Grouping and duplicate removal method in a database | Shinji Fujiwara, Itaru Nishizawa | 2002-04-30 |
| 6014655 | Method of retrieving database | Shinji Fujiwara | 2000-01-11 |
| 5890150 | Random sampling method for use in a database processing system and a database processing system based thereon | Shinji Fujiwara, Kazuo Masai, Yori Takahashi, Itaru Nishizawa | 1999-03-30 |