Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807395 | Computer assisted learning system, storage server used for computer assisted learning system and computer readable media recording program used in storage server | Ryuji Iwazaki, Hiroshi Yamamoto, Masanori Kawasumi, Yuki Kamata, Tatsuya Haraguchi | 2004-10-19 |