Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801496 | Color cathode ray tube display device and method of adjusting color purity in the display device | — | 1998-09-01 |
| 5635793 | Cathode-ray tube and display unit using the cathode-ray tube | Masatoshi Ochiai, Seiichi Takaoka, Tatsuhiro Hirakawa, Shinji Nohara | 1997-06-03 |
| 5581162 | CRT display | — | 1996-12-03 |
| 5488270 | Color CRT display apparatus | Tatsuhiro Hirakawa | 1996-01-30 |
| 5017832 | Magnetic cancelling apparatus for color cathode-ray tube | — | 1991-05-21 |
| 4876479 | Deflection yoke for a color cathode ray tube | Akira Kawabata, Yoshikazu Terasaki, Takashi Inoue | 1989-10-24 |