Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161964 | Cylindrical heating unit and exhaust gas processing device including the cylindrical heating unit | Masamitsu Hagio, Hiroshi Imamura | 2024-12-10 |
| 6806631 | Color CRT mask frame, a steel sheet used therefor and a manufacturing method for the steel sheet, and a color CRT equipped with the frame | Tatsuo Yoshii, Noriaki Nagao, Shinji Tsuge | 2004-10-19 |
| 6705145 | Method of processing bent and deformed portion of metal material | Susumu Okuji, Makoto Okuji | 2004-03-16 |
| 6699334 | Steel sheet used for color CRT mask frame and a manufacturing method for the steel sheet | Tatsuo Yoshii, Noriaki Nagao, Shinji Tsuge | 2004-03-02 |
| 6696780 | Electron gun comprising a tubular electrode having a coiled portion formed therein | Masahiko Konda, Toshiharu Hoshi | 2004-02-24 |
| 6577047 | Cathode ray tube | Yoshikazu Demi, Masayoshi Ozaki, Mitsunori Yokomakura, Masayuki Ohmori | 2003-06-10 |
| 6566795 | Cathode ray tube having apertured shadow mask | Yoshikazu Demi, Nozomu Arimoto, Hideaki Etou | 2003-05-20 |
| 6566798 | Cathode ray tube with supporters having crank-shaped steps | Hirotoshi Watanabe, Masayuki Ohmori | 2003-05-20 |
| 6552480 | Color cathode-ray tube | Susumu Okuji, Makoto Okuji | 2003-04-22 |
| 6388370 | Cathode ray tube | — | 2002-05-14 |
| 6328621 | Electron gun, CRT with electron gun | Masatoshi Kudoh, Ryuichi Murai, Mitsuhiro Ohtani, Katuyoshi Yamashita, Masahiko Konda | 2001-12-11 |
| 6270390 | Method for making electron gun | Masatoshi Kudoh, Ryuichi Murai, Mitsuhiro Ohtani, Katuyoshi Yamashita, Masahiko Konda | 2001-08-07 |
| 6211611 | Color cathode-ray tube with resistive spring contact | Yuji Taguchi | 2001-04-03 |