Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506030 | Element substrate, printhead, and head cartridge | Nobuyuki Hirayama, Ryo Kasai | 2013-08-13 |
| 8147039 | Head substrate, printhead, head cartridge, and printing apparatus | Nobuyuki Hirayama, Masataka Sakurai, Ryo Kasai | 2012-04-03 |
| 8075103 | Ink jet print head substrate and ink jet print head | Tatsuo Furukawa, Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai | 2011-12-13 |
| 8016378 | Element substrate, printhead, and head cartridge | Nobuyuki Hirayama, Ryo Kasai | 2011-09-13 |