Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10810174 | Database management system, database server, and database management method | Michiko Tanaka, Akira Shimizu, Shinji Fujiwara, Kazuhiko Mogi | 2020-10-20 |
| 9971793 | Database management system and database management method | Akira Shimizu, Shinji Fujiwara, Wataru KAWAI, Shinsuke Hamada, Yuki Yamada | 2018-05-15 |