Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6809622 | Coil Device | Toru Hirohashi, Kiyoshi Hironaka, Yasuo Yamashita | 2004-10-26 |
| 6433468 | Color selection mechanism and color cathode-ray tube | — | 2002-08-13 |
| 5801479 | Color cathode-ray tube and method of manufacturing the same | — | 1998-09-01 |
| 5216321 | Shadow-mask type color cathode-ray tube | Takao Kawamura, Masaharu Kumada, Hideo Tanabe | 1993-06-01 |