Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767861 | Heat-sensitive recording material | — | 2004-07-27 |
| 6704369 | Apparatus and method for signal separation and recording medium for the same | Naoto Kawasaki, Tsuyoshi Usagawa, Yasuyuki Shimada, Masanao Ebata | 2004-03-09 |