Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667571 | Fluorescent luminous tube and method of manufacturing the same | Yukihiko Shimizu | 2003-12-23 |
| 6664997 | Method of driving fluorescent print head and image forming apparatus | Yukihiko Shimizu, Satoshi Yamaguchi, Yoichi Kobori, Kinya Ueda | 2003-12-16 |