Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378999 | Aqueous ink jet recording liquid and ink jet recording method | Takatsugu Doi, Nobuyuki Ichizawa, Atsushi Suzuki, Toshitake Yui, Ken Hashimoto +1 more | 2002-04-30 |
| 6368397 | Ink for ink jet printing | Nobuyuki Ichizawa, Toshitake Yui, Ken Hashimoto | 2002-04-09 |