Issued Patents All Time
Showing 1–4 of 4 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 | Hiroshi Yamamoto, Masanori Kawasumi, Yuki Kamata, Tatsuya Haraguchi, Shuichi Tsujimoto | 2004-10-19 |
| 6705781 | Printing service method for printing system and the printing system | — | 2004-03-16 |
| 6687742 | Communication control method for electronic mail system | — | 2004-02-03 |
| 6457044 | Electronic-mail system for transmitting and receiving image data utilizing management of compatability transmission modes and capability information of destination terminals | — | 2002-09-24 |