Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Yoshiyuki Imanaka +3 more | 2004-12-07 |
| 6798535 | Printer head and printer apparatus | Nobuyuki Matsumoto, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Yoichi Taneya | 2004-09-28 |
| 6773096 | Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head | Ichiro Saito, Yoshiyuki Imanaka, 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, Yoshiyuki Imanaka, Teruo Ozaki, Toshimori Miyakoshi, Masahiko Ogawa | 2004-08-03 |
| 6769754 | Ink jet recording apparatus utilizing solid semiconductor element | Yoshiyuki Imanaka, Ichiro Saito, Hiroyuki Ishinaga, Masahiko Kubota, Ryoji Inoue +1 more | 2004-08-03 |
| 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, Yoshiyuki Imanaka +4 more | 2004-04-13 |
| 6688720 | Ink jet recording head, manufacturing method of same, ink jet recording apparatus and ink jet recording head driving method | Yoshiyuki Imanaka, Takeshi Okazaki, Teruo Ozaki | 2004-02-10 |
| 6685296 | Ink tank and ink jet recording apparatus provided with the same | Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Masahiko Kubota, Ryoji Inoue +1 more | 2004-02-03 |