Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075120 | Ink jet print head and ink jet printing apparatus | Ken Tsuchii, Arihito Miyakoshi, Yasuhiko Osaki, Shuichi Murakami, Hiroshi Arimizu | 2011-12-13 |
| 8033651 | Liquid ejection head and printing apparatus | Keiji Tomizawa, Ken Tsuchii | 2011-10-11 |
| 7963633 | Ink jet recording head and ink jet recording apparatus | Masaki Oikawa, Mineo Kaneko, Ken Tsuchii, Toru Yamane, Keiji Tomizawa +3 more | 2011-06-21 |
| 7909437 | Liquid discharge head | Mineo Kaneko, Ken Tsuchii | 2011-03-22 |