Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814283 | Individual identification card system | — | 2004-11-09 |
| 6790142 | Advertisement distribution system and server | Kazuo Okada, Nobuyuki Nonaka, Koji Nakagawa | 2004-09-14 |
| 6701095 | Office information system having a device which provides an operational message of the system when a specific event occurs | Takashi Ariyoshi, Yoshinaga Kato, Hiroo Kitagawa, Yuichi Kojima, Lu Bin +4 more | 2004-03-02 |