Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8229900 | Generating a data structure for information retrieval | — | 2012-07-24 |
| 7492971 | Selection of elements strongly related to a predetermined reference element | Jun Sakuma | 2009-02-17 |
| 7428541 | Computer system, method, and program product for generating a data structure for information retrieval, and an associated graphical user interface | — | 2008-09-23 |
| 7216129 | Information processing using a hierarchy structure of randomized samples | Masaki Aono, Mei Kobayashi | 2007-05-08 |