Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769177 | Method of producing ink-jet recording head | Shuji Koike, Yoshiaki Sakamoto, Tomohisa Shingai, Seigen Otani, Kazuaki Kurihara | 2004-08-03 |
| 6682180 | Ink jet head and printing apparatus | Yoshiaki Sakamoto, Shuji Koike, Tomohisa Shingai, Seigen Otani | 2004-01-27 |
| 6672713 | Ink-jet recording head and method of producing the same | Shuji Koike, Yoshiaki Sakamoto, Tomohisa Shingai, Seigen Otani | 2004-01-06 |