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Shigeyoshi Hirashima Patents
Inventor:
Hirashima; Shigeyoshi
Address:
Tokyo, JP
No. of patents:
20
Patents:




Patent Number Title Of Patent Date Issued
D510594 Head cartridge October 11, 2005
7427127 Head cartridge and liquid-ejecting apparatus September 23, 2008
A negative pressure generated inside a liquid-ejecting head can circulate liquid between the liquid-ejecting head and a liquid tank, prevent the liquid from leaking out of nozzles while the liquid is circulating, and remove bubbles contained in the liquid. A head cartridge includes a
7416296 Platen plate and liquid discharging device August 26, 2008
A platen plate for supporting an ejection object for liquid droplets ejected from each nozzle on the bottom surface of a liquid ejection head can secure the flatness of the ejection object so as to appropriately eject ink as well as can prevent the contamination of the bottom surface
7373305 Accounting apparatus, accounting method, and computer-readable program storage medium for storin May 13, 2008
A printer performs a printing operation by driving a cartridge to discharge ink. The ink in the printer is billed according to the amount of actual use of ink. In a service center, the head ID is first input. Then, the head ID is verified against the user ID. The amount of the use of
7334885 Distribution container and distribution method for liquid-discharging head February 26, 2008
A distribution container containing storage liquid is mounted in a cartridge holding section of a line head to substitute for an ink cartridge during transportation and storage of the line head. The storage liquid prevents air from flowing into the line head through nozzles, and ther
7334865 Head cartridge and liquid ejection apparatus February 26, 2008
A head cartridge and a liquid ejection apparatus are provided in which cleaning performance of cleaning means is improved using a liquid absorbing force of a wiping member produced along with restoration of temporarily increased elastic displacement of the wiping member. An elastic d
7334863 Nozzle cap, head cap unit, and liquid ejection head February 26, 2008
A liquid ejection head including a reusable nozzle cap and head cap unit that prevents ink from leaking during transport and storage. When the liquid ejection head is in use, the nozzle cap can be readily detached from the liquid ejection head without damaging an ejection surface of a
7324227 Connection apparatus for connecting a source over a network to a predetermined destination, conn January 29, 2008
A connection apparatus is disclosed which includes a connection source and a connection destination. The connection source includes information about a predetermined connection destination; and a connecting element for making a connection request to the predetermined connection desti
7216111 Accounting apparatus, accounting method, and computer-readable program storage medium for storin May 8, 2007
A printer performs a printing operation by driving a cartridge to discharge ink. The ink in the printer is billed according to the amount of actual use of ink. In a service center, the head ID is first input. Then, the head ID is verified against the user ID. The amount of the use of
7156486 Liquid ejection head, liquid ejection apparatus, and manufacturing method of the liquid ejection January 2, 2007
A line head includes a nozzle plate, a frame-shaped outer frame, a plurality of head chips, and a head support member arranged within the outer frame. The linear expansion coefficients of the nozzle plate and the head support member are larger than that of the outer frame. The nozzle
7150514 Print head, manufacturing method therefor, and printer December 19, 2006
A print head is provided with at least ink-pressurizing cells, heating elements, and ink-ejection nozzles. In addition, the print head includes substrate members which form side surfaces and one end surface of the ink-pressurizing cells, and which are provided with the heating elements;
6871941 Print head, manufacturing method therefor, and printer March 29, 2005
A print head is provided with at least ink-pressurizing cells, heating elements, and ink-ejection nozzles. In addition, the print head includes substrate members which form side surfaces and one end surface of the ink-pressurizing cells, and which are provided with the heating elements;
6817699 Printer November 16, 2004
Disclosed herein is a printer having a printer body and a consumable related to printing means, such as an ink cartridge and an ink ribbon, wherein the consumable can be very easily replaced and the electrical connection between the consumable and the printer body can be easily effec
6663223 Print head, manufacturing method therefor and printer December 16, 2003
A print head is provided with at least ink-pressurizing cells, heating elements, and ink-ejection nozzles. In addition, the print head includes substrate members which form side surfaces and one end surface of the ink-pressurizing cells, and which are provided with the heating elements;
6637856 Inkjet head and inkjet printer October 28, 2003
An inkjet head includes a head cap for protecting an ink discharge surface of a print head and a cleaning roller for cleaning the ink discharge surface of the print head. The head cap moves relative to and is removably mounted to the print head including the ink discharge surface with an
6609461 Printer diagnosis device, printer diagnosis method, and computer-readable program storage medium August 26, 2003
A self-diagnosis device includes a diagnosing unit for diagnosing the condition of a printer which prints on record sheets and a displaying unit for displaying a diagnosis result based on the condition of the printer.
5463949 Gravure press with improved printing drum arrangement November 7, 1995
Prevention of damages on the printing surface of plastic gravure plate is the object. Radius of the plate cylinder 14, impression cylinder 11, and transfer drum 2 located between units are identical. The plate cylinders 14, 24 and the impression cylinders 11, 21 are arranged so that the
5381733 Gravure printer with doctor blade grinding abrasive edged sheet January 17, 1995
A Gravure printer comprises a mounting cylinder, an engraved printing sheet wound on the mounting cylinder, an ink supplier for supplying a surface of the printing sheet with ink, a doctor blade having a leading edge which scrapes the surface of the printing sheet to remove excess ink, a
5247883 Apparatus for making a printing plate and a printing plate thereof September 28, 1993
An apparatus for making a printing plate in which a printing plate made of a thermoplastic resin sheet is wrapped around a plate cylinder and a laser beam from a laser source is irradiated on the printing plate to form holes in accordance with image information is comprised of an angle a
5213034 Gravure printing plate with angled and offset hole pattern and smear preventing slots adjacent t May 25, 1993
A printing plate formed of a thermoplastic resin sheet for gravure printing has the holes corresponding to pixels of image information arranged in rows and columns, with the rows being at an angle to the bottom edge of the sheet. The holes in the rows are aligned in columns and adjacent


 
 
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