Issued Patents 2004
Showing 1–6 of 6 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, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Muga Mochizuki +3 more | 2004-12-07 |
| 6796645 | Surface reformed fiber body, liquid container using fiber absorber, and method of producing fiber absorber for use in liquid ejection | Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Mikio Sanada +2 more | 2004-09-28 |
| 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, Ichiro Saito, Hiroyuki Ishinaga, Yoshiyuki Imanaka, Muga Mochizuki +4 more | 2004-04-13 |
| 6709092 | Recording liquid feed path, recording liquid container, and recording liquid feed device having same, as well as surface modifying method for the recording liquid feed device | Hiroki Hayashi, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Mikio Sanada +2 more | 2004-03-23 |
| 6692115 | Liquid container, liquid supply system and liquid discharge recording apparatus | Mikio Sanada, Hiroki Hayashi | 2004-02-17 |
| 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, Ichiro Saito, Hiroyuki Ishinaga, Akihiro Yamanaka, Masahiko Kubota | 2004-02-10 |