Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997027 | Forging punch | Fujio Akahane, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2006-02-14 |
| 6968616 | Method of manufacturing nozzle plate | Takashi Nakamura, Tatsuo Furuta | 2005-11-29 |
| 6968723 | Method of punching small hole and method of manufacturing liquid ejection head using the same | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi | 2005-11-29 |
| 6584687 | Method of manufacturing an ink-jet recording head using a thermally fusible film that does not close communication holes | Yoshikatsu Yamamoto, Takaichi Wada, Motonori Okumura, Kazuhiko Hara, Yuji Tanaka +2 more | 2003-07-01 |
| 5872583 | Using fusible films having windows supplied with adhesive and gap material | Yoshikatsu Yamamoto, Takaichi Wada, Motonori Okumura, Kazuhiko Hara, Yuji Tanaka +2 more | 1999-02-16 |