Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622174 | System for sending, converting, and adding advertisements to electronic messages sent across a network | Shoichi Osawa, Koichi Hayasaka | 2003-09-16 |
| 6600930 | Information provision system, information regeneration terminal, and server | Hiroshi Sakurai, Fumihiko Yoshii, Yasuhiro Terayama, Takashi Morita, Koichi Hayasaka | 2003-07-29 |