Issued Patents 2002
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494563 | Ink jet element substrate and ink jet head that employs the substrate, and ink jet apparatus on which the head is mounted | Hiroyuki Ishinaga | 2002-12-17 |
| 6491382 | Liquid discharge head and apparatus having restricted movement of a movable member | Hiroyuki Ishinaga, Yoshinori Misumi, Hiroyuki Sugiyama | 2002-12-10 |
| 6491380 | Liquid discharging head with common ink chamber positioned over a movable member | Masahiko Ogawa, Masami Ikeda, Ichiro Saito, Hiroyuki Ishinaga, Toshio Kashino +7 more | 2002-12-10 |
| 6478416 | Sealing method for ink cartridge | Hiroyuki Ishinaga, Kazuaki Masuda, Hajime Kaneko, Masahiko Higuma, Yuji Kamiyama | 2002-11-12 |
| 6474792 | Liquid discharge head, method for manufacturing liquid discharge head, head cartridge on which liquid discharge head is mounted, and liquid discharge apparatus | Hiroyuki Sugiyama, Masami Kasamoto, Hiroyuki Ishinaga, Teruo Ozaki, Yoshinori Misumi +2 more | 2002-11-05 |
| 6474769 | Liquid discharge head, liquid discharge apparatus and method for manufacturing liquid discharge head | Yoshiyuki Imanaka, Akihiro Yamanaka, Teruo Ozaki, Masahiko Kubota, Shinji Watanabe +1 more | 2002-11-05 |
| 6454379 | Liquid discharge head and liquid discharge apparatus that uses the liquid discharge head, and discharge volume correction method for the liquid discharge head | Akihiro Yamanaka, Yoshiyuki Imanaka, Masahiko Kubota | 2002-09-24 |
| 6450776 | Liquid discharging head and liquid discharging method | Hiroyuki Ishinaga, Hiroyuki Sugiyama, Sadayuki Sugama, Satoshi Shimazu | 2002-09-17 |
| 6447093 | Liquid discharge head having a plurality of liquid flow channels with check valves | Yoshie Asakawa, Hiroyuki Ishinaga, Toshio Kashino, Akira Nagashima, Aya Yoshihira +1 more | 2002-09-10 |
| 6439701 | Liquid discharge head, head cartridge and liquid discharge apparatus | Sadayuki Sugama, Hiroyuki Ishinaga, Masao Mori | 2002-08-27 |
| 6439680 | Recording head, substrate for use of recording head, and recording apparatus | Muga Mochizuki, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Nobuyuki Matsumoto | 2002-08-27 |
| 6439700 | Liquid discharge head, liquid discharge method, head cartridge and liquid discharge device | Hiroyuki Ishinaga, Masahiko Ogawa, Masami Ikeda, Ichiro Saito, Tomoyuki Hiroki +4 more | 2002-08-27 |
| 6409319 | Liquid discharge head, liquid discharge apparatus and liquid discharging method | Hiroyuki Ishinaga, Yoshinori Misumi, Hiroyuki Sugiyama | 2002-06-25 |
| 6409317 | Liquid discharge head, liquid discharge method and liquid discharge apparatus | Satoshi Shimazu, Sadayuki Sugama, Hiroyuki Ishinaga, Hiroyuki Sugiyama | 2002-06-25 |
| 6409296 | Liquid discharge method, liquid discharge head and liquid discharge apparatus | Yoshinori Misumi, Hiroyuki Ishinaga, Hiroyuki Sugiyama, Satoshi Shimazu | 2002-06-25 |
| 6390604 | Liquid discharge method and apparatus employing a movable inelastic separation film | Toshio Kashino, Hiroyuki Ishinaga, Aya Yoshihira, Kiyomitsu Kudo, Yoshie Asakawa +2 more | 2002-05-21 |
| 6386832 | Liquid discharge head, liquid discharge method, and liquid discharge apparatus | Sadayuki Sugama, Hiroyuki Ishinaga, Hiroyuki Sugiyama, Satoshi Shimazu | 2002-05-14 |
| 6382785 | Replaceable ink cartridge and seal structure thereof | Genji Inada, Masami Ikeda, Tsutomu Abe, Hiroyuki Ishinaga, Masahiko Higuma | 2002-05-07 |
| 6375309 | Liquid discharge apparatus and method for sequentially driving multiple electrothermal converting members | Hiroyuki Ishinaga, Hiroshi Tajika, Noribumi Koitabashi, Hiroyuki Sugiyama | 2002-04-23 |
| 6350027 | Ink tank structure | Masaru Iketani, Masaaki Okada | 2002-02-26 |