Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486094 | Bis (arylsulfonylaminocarbonylaminobenzoate) compounds and thermosensitive recording materials containing same | Ayako Shirai | 2002-11-26 |
| 6335306 | Thermosensitive recording material of heat fixing type and method of fixing the same | Takako Segawa | 2002-01-01 |