Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633231 | Communication device and auxiliary device for communication | Kazutaka Okamoto, Noboru Hayakawa | 2003-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633231 | Communication device and auxiliary device for communication | Kazutaka Okamoto, Noboru Hayakawa | 2003-10-14 |