Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6794812 | Light-emitting tube array display device | Hitoshi Yamada, Akira Tokai, Manabu Ishimoto, Kenji Awamoto, Tsutae Shinoda | 2004-09-21 |
| 6753882 | Wrist audio player system and wrist audio player device | Shoichi Nagatomo | 2004-06-22 |