Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434225 | Communication support system in which a ringing sound control processing is performed in response to a call from a telephone network | Katsutoshi Yano, Jun Kakuta, Tomoyoshi Takebayashi, Kimikazu Furukawa, Yasuo Satoh | 2002-08-13 |
| 6381310 | Communication support system for providing telephone services to a telephone user by remote control of a data processing device | Kimikazu Furukawa, Tomoyoshi Takebayashi, Katsutoshi Yano, Jun Kakuta, Yasuo Sato | 2002-04-30 |