Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570326 | Gradation fluorescent display device | Masanori Bannai, Kazuhiko Tojo | 2003-05-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570326 | Gradation fluorescent display device | Masanori Bannai, Kazuhiko Tojo | 2003-05-27 |