Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458194 | Azo dye compound having 1,2,4-triazole as the azo component | Hisashi Mikoshiba | 2002-10-01 |
| 6444020 | TETRAALKYL-SUBSTITUTED NITROGEN-CONTAINING HETERO RING-BONDED AZO DYE, INK-JET INK COMPRISING SAID DYE, INK-JET RECORDING METHOD USING SAID INK, AND THERMAL TRANSFER RECORDING MATERIAL COMPRISING SAID DYE | Nobuo Seto | 2002-09-03 |
| 6399712 | Polymer bound 2,2,6,6,-piperidinyl derivatives | Nobuo Seto | 2002-06-04 |