Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881015 | Color cathode-ray apparatus having an improved deflection unit | Taketoshi Shimoma, Katsuei Morohashi | 1989-11-14 |
| 4876478 | Cathode ray tube apparatus with improved deflection unit | Katsuei Morohashi, Taketoshi Shimoma | 1989-10-24 |