Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839727 | Video signal processing apparatus for separating luminance and chrominance signals by means of signal correlation | Yutaka Tanaka | 1989-06-13 |
| 4818496 | Apparatus for treating a sulfur dioxide-containing gas | Hiroshi Tsutsumi, Morihito Okamura | 1989-04-04 |