Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142388 | Color display device having liquid crystal cell and fluorescent display with two different luminous sections | Hiroshi Watanabe | 1992-08-25 |
| 4757234 | Fluorescent display device | Hiroshi Watanabe, Kiyoshi Morimoto | 1988-07-12 |