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Inventor: Fujita; Seiichi
Address: Suwa, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6863375 |
Ejection device and inkjet head with silicon nozzle plate |
March 8, 2005 |
| A silicon nozzle plate includes nozzles each with a first nozzle portion having a circular cross-section and a second nozzle portion having a circular cross-section wherein the circular cross-section of the first nozzle portion is smaller than the circular cross-section of the second |
| 6375858 |
Method of forming nozzle for injection device and method of manufacturing inkjet head |
April 23, 2002 |
| When a nozzle 21 with a stepwise cross-section, which is provided with a small cross-sectional nozzle portion 21a formed on the front side thereof and with a large cross-sectional nozzle portion 21b formed on the rear side thereof in a discharge direction, respectively, is formed by appl |
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