Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695424 | Printing device and printing method | Kunio Hakkaku, Hiroyuki Sato, Shuichi Aratsu, Tatsuo Sugawara, Koichi Sugiyama | 2004-02-24 |
| 5914733 | Ink jet printing device | Hiroyuki Sato, Ryusuke MORITA | 1999-06-22 |
| 5500657 | Air-bubble detection apparatus of ink jet recording head, and method and apparatus for restoring ink jet recording head | Koichi Sugiyama, Akihiko Miyashita, Nakatoshi Satoh, Tatsuo Sugawara, Hiroyuki Sato +1 more | 1996-03-19 |
| 5113205 | Ink jet head | Hiroyuki Sato | 1992-05-12 |