Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611094 | Double-faced vacuum fluorescent display device and method for driving same | Yukio Ogawa, Kazuyoshi Ishikawa, Yoshikazu Iidaka, Hiroaki Kawasaki | 2003-08-26 |
| 6522062 | Fluorescent display device and method for driving same | Yukio Ogawa, Kazuyoshi Ishikawa, Hiroaki Kawasaki | 2003-02-18 |