Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659591 | Ink jet recording head and producing method for the same | Osamu Sato, Mineo Kaneko, Yasutomo Watanabe, Shuzo Iwanaga | 2003-12-09 |
| 6652702 | Ink jet recording head and method for manufacturing ink jet recording head | Toshiaki Hirosawa, Osamu Morita, Osamu Sato, Kenta Udagawa, Shuzo Iwanaga | 2003-11-25 |
| 6594458 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2003-07-15 |
| 6591078 | Toner supply container and electrophotographic image forming apparatus | Yutaka Ban, Kazuhiko Omata, Ayumu Murakami | 2003-07-08 |