Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637870 | Ink jet head, method of manufacturing ink jet head, and printer | Yoshiaki Sakamoto, Shuji Koike | 2003-10-28 |
| 6623110 | Ink jet recording head and production methods therefor and printer apparatus therewith | Shuji Koike, Yoshiaki Sakamoto | 2003-09-23 |