Issued Patents 2004
Showing 1–2 of 2 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, Shinji Tsuge, Hideharu Ohmae | 2004-10-19 |
| 6699334 | Steel sheet used for color CRT mask frame and a manufacturing method for the steel sheet | Tatsuo Yoshii, Shinji Tsuge, Hideharu Ohmae | 2004-03-02 |