Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066347 | Recording element substrate, recording head, and ink jet recording apparatus having the recording head | Hideo Tamura, Yoshiyuki Imanaka, Takaaki Yamaguchi, Kousuke Kubo, Ryoji Oohashi | 2011-11-29 |
| 8020956 | Element substrate, printhead, head cartridge, printing apparatus, and method for confirming electrical connection status of printhead and printing apparatus | Kousuke Kubo, Yoshiyuki Imanaka, Souta Takeuchi, Takaaki Yamaguchi | 2011-09-20 |
| 7959262 | Ink jet recording head substrate, and ink jet recording head including the substrate | Yoshiyuki Imanaka, Souta Takeuchi, Takaaki Yamaguchi, Kousuke Kubo | 2011-06-14 |
| 7905577 | Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatus | Souta Takeuchi, Yoshiyuki Imanaka, Takaaki Yamaguchi, Kousuke Kubo | 2011-03-15 |
| 7896475 | Element substrate, printhead, and head cartridge | Yoshiyuki Imanaka, Takaaki Yamaguchi, Kousuke Kubo, Souta Takeuchi | 2011-03-01 |
| 7810892 | Element substrate, printhead, head cartridge, and printing apparatus | Takaaki Yamaguchi, Yoshiyuki Imanaka, Souta Takeuchi, Kousuke Kubo | 2010-10-12 |
| 7681992 | Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate | Yoshiyuki Imanaka, Souta Takeuchi, Takaaki Yamaguchi, Kousuke Kubo | 2010-03-23 |
| 7261402 | Ink container, ink-jet recording head, and ink-jet recording apparatus | Suguru Taniguchi | 2007-08-28 |
| 6748657 | Method of manufacturing an ink jet recording head | Takeshi Okazaki, Shunichi Watanabe, Tsutomu Abe, Hirotaka Miyazaki, Ryo Shimamura | 2004-06-15 |
| 6499823 | Ink jet recording head having substrate and ceiling plate base pressed together by base plate and ink supply member | Takeshi Okazaki, Shunichi Watanabe, Hirotaka Miyazaki, Ryo Shimamura | 2002-12-31 |