Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |