Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8115420 | Filament power supply circuit for vacuum fluorescent display | Naoyuki Morooka, Kazuhisa Shibata, Toru Kohama | 2012-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8115420 | Filament power supply circuit for vacuum fluorescent display | Naoyuki Morooka, Kazuhisa Shibata, Toru Kohama | 2012-02-14 |