Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491375 | Cathode, electron gun, and cathode-ray tube having a heating element for use during cold electron emisson | — | 1996-02-13 |
| 5461519 | Recording and reproducing apparatus with helical scan tracking | Mitsugu Yoshihiro | 1995-10-24 |
| 5412278 | Cathode-ray tube with anti-reflective coating | — | 1995-05-02 |
| 5360707 | Photographic printing paper support | Atsushi Kato, Sei Kawahara | 1994-11-01 |
| 5315209 | Color cathode ray tube with selective light absorption film | — | 1994-05-24 |
| 5270873 | Signal recording and editing apparatus | Seiichi Sakai | 1993-12-14 |
| 5243255 | Cathode-ray tube with low reflectivity film | — | 1993-09-07 |
| 5225730 | Projection cathode ray tube | Hiroshi Okuda | 1993-07-06 |
| 5200667 | Color cathode-ray-tube with electrical and optical coating film | Hiroshi Okuda | 1993-04-06 |
| 5177400 | Projection cathode-ray tube | — | 1993-01-05 |
| 5166577 | Projection cathode-ray tube with interference film | Chie Nagao, Noritsuna Hashimoto, Hiroshi Okuda | 1992-11-24 |
| 5156707 | Support for photographic printing paper | Atsushi Kato, Sei Kawahara | 1992-10-20 |
| 5126626 | Projection cathode ray tube | — | 1992-06-30 |
| 5107173 | Projection cathode ray tube | — | 1992-04-21 |
| 5089743 | Projection cathode ray tube | Hiroshi Okuda | 1992-02-18 |
| 5002799 | Method for manufacturing anti-static cathode ray tubes | — | 1991-03-26 |
| 4984779 | Automatic document conveying device for original in a two-sided copy machine | — | 1991-01-15 |
| 4943755 | Magnetic shielding with constant-current coils for CRT | Masayuki Toshiyasu, Kazuhiro Chihara | 1990-07-24 |
| 4792238 | Continuous dispersion apparatus having multi-step dispersion chambers | Yoshihisa Yoneyama | 1988-12-20 |
| 4728856 | Cathode ray tube | Koji Yajima | 1988-03-01 |
| 4720753 | Auto tracking apparatus for scanning tracks with controllable head displacement | Takafumi Nishino, Masaaki Kobayashi | 1988-01-19 |
| 4642695 | Projection cathode-ray tube having enhanced image brightness | — | 1987-02-10 |
| 4496142 | Sheet supplying device for two-sided copying | — | 1985-01-29 |