Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750602 | Projection type cathode ray tube device employing a cathode ray tube having a neck composed of different-diameter portions | Katsumi Hirota, Kazumasa Hirai, Takashi Hoshimure | 2004-06-15 |