Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7400307 | Driving circuit for vacuum fluorescent display | Hiroyuki Arai, Takeshi Kimura, Tetsuya Tokunaga | 2008-07-15 |
| 7379036 | Driving circuit for vacuum fluorescent display | Hiroyuki Arai, Takeshi Kimura, Tetsuya Tokunaga | 2008-05-27 |
| 7312769 | Driving circuit for vacuum fluorescent display | Hiroyuki Arai, Takeshi Kimura, Tetsuya Tokunaga | 2007-12-25 |
| 6246388 | Display driving circuit for displaying character on display panel | Hiroyuki Arai, Tetsuya Tokunaga | 2001-06-12 |