Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818592 | Heat-sensitive recording material | Masayuki Iwasaki, Hirofumi Mitsuo | 2004-11-16 |
| 6750174 | Heat sensitive recording material | Hirofumi Mitsuo | 2004-06-15 |
| 6747226 | Illuminated switch construction and pushbutton unit for illuminated switches | — | 2004-06-08 |
| 6730632 | Heat-sensitive recording material | Masayuki Iwasaki, Hirofumi Mitsuo | 2004-05-04 |
| 6699816 | Heat-sensitive recording material | Masayuki Iwasaki, Hirofumi Mitsuo | 2004-03-02 |