Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834423 | Method of manufacturing a liquid discharge head | Hiroyuki Sugiyama, Hiroyuki Ishinaga, Yoshinori Misumi | 2004-12-28 |
| 6798535 | Printer head and printer apparatus | Nobuyuki Matsumoto, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Muga Mochizuki | 2004-09-28 |
| 6761434 | Liquid discharge head, element substrate, liquid discharging apparatus and liquid discharging method | Hiroyuki Ishinaga, Yoshinori Misumi, Hiroyuki Sugiyama | 2004-07-13 |
| 6709081 | Printing system, printing method, and ink tank | Hiroyuki Ishinaga, Yoshinori Misumi, Hiroyuki Sugiyama | 2004-03-23 |
| 6705692 | Ink jet element substrate and ink jet head that employs the substrate, and ink jet apparatus on which the head is mounted | Hiroyuki Ishinaga | 2004-03-16 |