Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227879 | Apparatus for transmitting an extended definition TV signal having compatibility with a conventional TV system | Akihiro Takahashi, Takashi Tachibana, Kazuo Kashigi, Hideo Makita | 1993-07-13 |
| 5084765 | Aspect ratio-improved television system compatible with conventional systems | Akihiro Takahashi, Masao Inaba, Hidekado Nishihara | 1992-01-28 |