Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642175 | Color cathode ray tube display device and method of eliminating the influence of an external magnetic field | — | 1997-06-24 |
| 5635793 | Cathode-ray tube and display unit using the cathode-ray tube | Masatoshi Ochiai, Seiichi Takaoka, Hidenori Takita, Shinji Nohara | 1997-06-03 |