Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826413 | Portable telephone and terminal equipment | Masaaki Yamamoto | 2004-11-30 |
| 6708200 | Communication system and communication method | Seiji Ura, Yoshifumi Yonemoto, Hiromi Wada, Junji Ishigaki, Keizaburo Sasaki | 2004-03-16 |