Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7715631 | Method and apparatus for extracting feature information, and computer product | Kazunari Tanaka, Isamu Watanabe, Hiroyuki Hatta | 2010-05-11 |
| 7275054 | Method of and apparatus for distributing data, and computer program | Makoto Takayanagi | 2007-09-25 |
| 5787244 | Information retrieval system | Akira Horikawa | 1998-07-28 |