Issued Patents 2004
Showing 1–10 of 10 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, Hiroyuki Ishinaga +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, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Muga Mochizuki +3 more | 2004-12-07 |
| 6798535 | Printer head and printer apparatus | Nobuyuki Matsumoto, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Yoichi Taneya, Muga Mochizuki | 2004-09-28 |
| 6773096 | Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head | Muga Mochizuki, 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 | Yoshiyuki Imanaka, Teruo Ozaki, Toshimori Miyakoshi, Muga Mochizuki, Masahiko Ogawa | 2004-08-03 |
| 6769754 | Ink jet recording apparatus utilizing solid semiconductor element | Yoshiyuki Imanaka, Hiroyuki Ishinaga, Masahiko Kubota, Muga Mochizuki, Ryoji Inoue +1 more | 2004-08-03 |
| 6737792 | Field emission cathode, electron emission device and electron emission device manufacturing method | Kouji Inoue, Shinichi Tachizono, Takeshi Yamagishi | 2004-05-18 |
| 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, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Muga Mochizuki +4 more | 2004-04-13 |
| 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 | Yoshiyuki Imanaka, Sadayuki Sugama, Hiroyuki Ishinaga, Akihiro Yamanaka, Masahiko Kubota | 2004-02-10 |
| 6685296 | Ink tank and ink jet recording apparatus provided with the same | Muga Mochizuki, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Masahiko Kubota, Ryoji Inoue +1 more | 2004-02-03 |