Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834943 | Liquid discharge head, a substrate for use of such head and a method of manufacture therefor | Hiroaki Mihara, Masahiko Ogawa, Kazuaki Masuda, Masami Ikeda, Ichiro Saito +6 more | 2004-12-28 |
| 6827411 | Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Muga Mochizuki +3 more | 2004-12-07 |
| 6824237 | Printhead, head cartridge having said printhead, printing apparatus using said printhead and printhead element substrate | Nobuyuki Hirayama, Tatsuo Furukawa | 2004-11-30 |
| 6798535 | Printer head and printer apparatus | Nobuyuki Matsumoto, Ichiro Saito, Hiroyuki Ishinaga, Yoichi Taneya, Muga Mochizuki | 2004-09-28 |
| 6786572 | Liquid discharge head and liquid discharge apparatus | Hiroyuki Ishinaga, Akihiro Yamanaka, Masahiko Kubota, Ryoji Inoue | 2004-09-07 |
| 6773096 | Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head | Muga Mochizuki, Ichiro Saito, Teruo Ozaki, Takaaki Yamaguchi | 2004-08-10 |
| 6769762 | Ink jet head substrate, an ink jet head, an ink jet apparatus, and a method for manufacturing an ink jet recording head | Ichiro Saito, Teruo Ozaki, Toshimori Miyakoshi, Muga Mochizuki, Masahiko Ogawa | 2004-08-03 |
| 6769754 | Ink jet recording apparatus utilizing solid semiconductor element | Ichiro Saito, Hiroyuki Ishinaga, Masahiko Kubota, Muga Mochizuki, Ryoji Inoue +1 more | 2004-08-03 |
| 6742874 | Printhead substrate inputting a data signal and a clock signal, printhead, printhead cartridge, and printer thereof | Nobuyuki Hirayama, Tatsuo Furukawa | 2004-06-01 |
| 6719394 | SEMICONDUCTOR DEVICE, INK TANK PROVIDED WITH SUCH SEMICONDUCTOR DEVICE, INK JET CARTRIDGE, INK JET RECORDING APPARATUS, METHOD FOR MANUFACTURING SUCH SEMICONDUCTOR DEVICE, AND COMMUNICATION SYSTEM, METHOD FOR CONTROLLING PRESSURE, MEMORY ELEMENT, SECURITY SYSTEM OF INK JET RECORDING APPARATUS | Masahiko Kubota, Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Muga Mochizuki +4 more | 2004-04-13 |
| 6712437 | Printhead board, printhead and printing apparatus | Tatsuo Furukawa, Nobuyuki Hirayama | 2004-03-30 |
| 6688729 | Liquid discharge head substrate, liquid discharge head, liquid discharge apparatus having these elements, manufacturing method of liquid discharge head, and driving method of the same | Sadayuki Sugama, Ichiro Saito, Hiroyuki Ishinaga, Akihiro Yamanaka, Masahiko Kubota | 2004-02-10 |
| 6688720 | Ink jet recording head, manufacturing method of same, ink jet recording apparatus and ink jet recording head driving method | Takeshi Okazaki, Teruo Ozaki, Muga Mochizuki | 2004-02-10 |
| 6685296 | Ink tank and ink jet recording apparatus provided with the same | Muga Mochizuki, Ichiro Saito, Hiroyuki Ishinaga, Masahiko Kubota, Ryoji Inoue +1 more | 2004-02-03 |