Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7852005 | Fluorescent lamp with external electrode, backlight, and display device | Reiji Torai, Yoshiharu Takeda | 2010-12-14 |
| 6731056 | Color cathode ray tube having an improved electron gun | Tsutomu Tojo, Hiroyuki Tamura | 2004-05-04 |
| 6376980 | CRT having an electron gun with magnetic pieces attached to one of a plurality of electrodes, configured to correct deflection defocusing | — | 2002-04-23 |
| 6353281 | Cathode ray tube | Mitsuhiro Sugiyama, Tsutomu Tojyo, Masahiro Ito, Hiroyuki Tamura | 2002-03-05 |
| 6348759 | Color cathode ray tube having an improved electron gun | Tsutomu Tojo, Hiroyuki Tamura | 2002-02-19 |
| 6337534 | Color cathode ray tube with coma reduced | Hiroyuki Tamura, Tsutomu Tojyo | 2002-01-08 |
| 6329746 | Method of correcting deflection defocusing in a CRT, a CRT employing same, and an image display system including same CRT | — | 2001-12-11 |
| 6259196 | CRT deflection-defocusing correcting member therefor, a method of manufacturing same member, and an image display system including same CRT | Tutomu Tojyo, Hiroyuki Tamura, Mitsuhiro Sugiyama | 2001-07-10 |
| 6232711 | Color cathode ray tube | Mitsuhiro Sugiyama, Tsutomu Tojyo, Masahiro Ito, Hiroyuki Tamura | 2001-05-15 |
| 6201344 | CRT having an electron gun with magnetic pieces attached to one of a plurality of electrodes, configured to correct deflection defocusing | — | 2001-03-13 |
| 6157122 | Color cathode ray tube with coma reduced | Hiroyuki Tamura, Tsutomu Tojyo | 2000-12-05 |
| 6144151 | Color cathode ray tube having an improved electron gun | Tsutomu Tojo, Hiroyuki Tamura | 2000-11-07 |
| 6100631 | Color cathode ray tube having improved reduction | — | 2000-08-08 |
| 6011348 | Color cathode ray tube having improved resolution | — | 2000-01-04 |
| 6005340 | CRT, deflection-defocusing correcting member therefor, a method of manufacturing same member, and an image display system including same CRT | Tutomu Tojyo, Hiroyuki Tamura, Mitsuhiro Sugiyama | 1999-12-21 |
| 6005339 | CRT with deflection defocusing correction | — | 1999-12-21 |
| 5912530 | Color cathode ray tube with coma reduced | Hiroyuki Tamura, Tsutomu Tojyo | 1999-06-15 |
| 5905331 | Cathode ray tube with deflection aberration correcting electrode | — | 1999-05-18 |
| 5898260 | Color cathode ray tube having improved resolution | — | 1999-04-27 |
| 5818156 | Color cathode-ray tube | — | 1998-10-06 |
| 5798603 | Cathode ray tube having improved beam convergence | Atsushi Tsuruoka | 1998-08-25 |
| 5659225 | Color cathode ray tube with improved main lens | Atsushi Tsuruoka | 1997-08-19 |
| 5637956 | Color cathode ray tube with reduced halo | Mitsuhiro Sugiyama, Satoru Endo, Mamoru Ikeda | 1997-06-10 |
| 5585690 | Cathode ray tube and deflection aberration correcting method of the same | — | 1996-12-17 |
| 5461278 | Electron gun and cathode-ray tube comprising the same | Atsushi Tsuruoka | 1995-10-24 |