Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836063 | Display tube and display device | Tsutae Shinoda, Akira Tokai, Hitoshi Yamada | 2004-12-28 |
| 6836064 | Gas discharge tube and display device using the same | Hitoshi Yamada, Akira Tokai, Tsutae Shinoda | 2004-12-28 |
| 6794812 | Light-emitting tube array display device | Hitoshi Yamada, Akira Tokai, Akira Nakazawa, Kenji Awamoto, Tsutae Shinoda | 2004-09-21 |
| 6677704 | AC-type gas discharge display with elliptical discharge tube | Tsutae Shinoda, Akira Tokai, Hitoshi Yamada | 2004-01-13 |