Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206588 | Communication device and communication system | Takeshi Hatakeyama | 2007-04-17 |
| 7113742 | Communication system and communication device | Tsuyoshi Kindo, Takeshi Hatakeyama | 2006-09-26 |
| 7031656 | Hands-free telephone conversation system and relay device in hands-free telephone conversation system | Takeshi Hatakeyama, Masaaki Tomoda, Teruaki Ata, Tsuyoshi Kindo | 2006-04-18 |
| 7031659 | Communication system, communication device, and communication method | Masaaki Tomoda, Toshihiko Kurosaki, Takeshi Hatakeyama, Teruaki Ata, Tsuyoshi Kindo | 2006-04-18 |
| 6600975 | In-vehicle communication device and communication control method | Masaaki Tomoda, Teruaki Ata, Takeshi Hatakeyama, Tsuyoshi Kindo | 2003-07-29 |