Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702432 | Configuration of inkjet head realizing uniform ink ejection performance | Hiroshi Takahagi, Takashi Sato, Akira Kashimura, Kenji Yamada, Kenichi Kugai | 2004-03-09 |
| 6682179 | Ink jet print head and method of production thereof | Hiroshi Takahagi, Kenichi Kugai, Nobuhiro Kurosawa, Kenji Yamada | 2004-01-27 |
| 6679589 | Ink jet print head and method of production thereof | Hiroshi Takahagi, Yutaka Shoji, Yoshitaka Akiyama, Kenji Yamada, Kenichi Kugai | 2004-01-20 |
| 6592196 | Drive method for ink jet head | Yoshitaka Akiyama, Yutaka Shoji, Hiroshi Takahagi, Osamu Machida, Yoshinari Suzuki | 2003-07-15 |
| 6457222 | Method of manufacturing ink jet print head | Takuji Torii, Keiji Watanabe, Yoshitaka Akiyama, Kenichi Kugai, Nobuhiro Kurosawa +2 more | 2002-10-01 |
| 6394589 | Ink jet printhead with reduced crosstalk | Charles A. Willus, Stuart D. Howkins, Yoshitaka Akiyama | 2002-05-28 |
| 6378972 | Drive method for an on-demand multi-nozzle ink jet head | Yoshitaka Akiyama, Takuji Torii, Kazuaki Akimoto, Kazuo Shimizu, Shigenori Suematsu +1 more | 2002-04-30 |
| 6328397 | Drive voltage adjusting method for an on-demand multi-nozzle ink jet head | Kazuo Shimizu, Takuji Torii, Yoshitaka Akiyama, Masatoshi Sakata, Shigenori Suematsu | 2001-12-11 |
| 6328418 | Print head having array of printing elements for printer | Takahiro Yamada, Hiroomi Kozawa, Takuji Torii, Kazunobu Hayashi, Toshitaka Ogawa +7 more | 2001-12-11 |
| 6264310 | Multi-nozzle ink jet head with dummy piezoelectric elements at both ends of a piezoelectric element array for controlling the flow of adhesive about the piezoelectric element array | Takuji Toru, Kenichi Kugai, Takao Matsuoka, Yoshitaka Akiyama, Kazuaki Akimoto +2 more | 2001-07-24 |
| 6102512 | Method of minimizing ink drop velocity variations in an on-demand multi-nozzle ink jet head | Takuji Torii, Kazuaki Akimoto, Shigenori Suematsu, Yoshitaka Akiyama, Ryoji Yabuki | 2000-08-15 |
| 6053602 | On-demand multi-nozzle ink jet head | Takuji Torii, Yoshitaka Akiyama, Yasuo Takano, Norimasa Kondo, Nobuhiro Kurosawa | 2000-04-25 |