Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227879 | Apparatus for transmitting an extended definition TV signal having compatibility with a conventional TV system | Takaya Morita, Akihiro Takahashi, Takashi Tachibana, Hideo Makita | 1993-07-13 |
| 4774507 | Special video effect system | Keiichi Hirayama | 1988-09-27 |
| 4746979 | Video memory device capable of simultaneously reading a plurality of picture elements | — | 1988-05-24 |
| 4689660 | Video signal storage apparatus for NTSC system | — | 1987-08-25 |
| 4673975 | Television signal scrambling apparatus | Masao Inaba | 1987-06-16 |
| 4506286 | PAL digital video signal processing arrangement | — | 1985-03-19 |
| 4409618 | Digital video effects system employing a chroma-key tracking technique | Masao Inaba | 1983-10-11 |
| 4325075 | Digital television video signal storage system | Toshitake Kouyama | 1982-04-13 |
| 4218700 | Luminance/chrominance separating apparatus having a spatial filtering effect | — | 1980-08-19 |
| 4218710 | Digital video effect system comprising only one memory of a conventional capacity | Toshitake Koyama | 1980-08-19 |
| 4218711 | Special effect device for electronically accomplishing a gradual scene shift | — | 1980-08-19 |
| 4200890 | Digital video effects system employing a chroma-key tracking technique | Masao Inaba | 1980-04-29 |
| 4196449 | Digital video effects system employing a chroma-key tracking technique | Tomoo Tama, Masao Inaba | 1980-04-01 |