Patents by Inventor Hiroaki Yazawa
Hiroaki Yazawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8007091Abstract: An ink supply device includes: an ink cartridge including a port which is provided in a rear surface thereof at a lower portion of the ink chamber and which allows ink to flow in an ink flow direction and an engaged portion which is provided on an upper surface thereof; a cartridge mounting portion into which the ink cartridge is insertable in an insertion direction wherein the cartridge mounting portion is configured to accommodate the ink cartridge movably between a first posture and a second posture; a joint which is provided in the cartridge mounting portion and is connected to the port; a first elastic member which urges the ink cartridge to a removal direction; and a lock member which is engaged with the engaged portion to prevent the ink cartridge from being moved in the removal direction by the urging force of the first elastic member.Type: GrantFiled: December 1, 2008Date of Patent: August 30, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Hirotake Nakamura, Hiroaki Yazawa
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Patent number: 7997701Abstract: The ink tank includes an ink chamber and a cleaning solvent chamber. Ink is stored in the ink chamber. Cleaning solvent is stored in the cleaning solvent chamber. Mounting portions are provided on the bottom surface side of the ink tank. One of the mounting portions is provided corresponding to the ink chamber, and the other mounting portion is provided corresponding to the cleaning solvent chamber. The ink tank is mounted to a scanning carriage by the mounting portions being fitted into a holding unit of the scanning carriage. Deriving ports may be formed on the bottom surfaces of recesses of the mounting portions.Type: GrantFiled: March 28, 2007Date of Patent: August 16, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroaki Yazawa
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Publication number: 20110096127Abstract: A liquid supply apparatus configured to supply a liquid for a liquid-consuming apparatus, includes: a liquid container including a storage chamber which stores the liquid and an engaging portion which is provided on an outer surface of the liquid container; and an attaching section to which the liquid container is attachable, which is formed with an opening, and which includes: a holding member configured to have an attitude which is changable between a first attitude and a second attitude; a cover configured to selectively have an open attitude for opening the opening and a close attitude for closing the opening; and a closing-preventive member on the cover and configured to prevent the cover from having the close attitude when the holding member has an attitude different from the first attitude.Type: ApplicationFiled: September 28, 2010Publication date: April 28, 2011Inventors: Akinari ISHIBE, Hiroaki Yazawa, Hirotake Nakamura
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Publication number: 20100321746Abstract: An image processing apparatus comprises: an image reading portion which has a box-shaped first housing with a reading surface, and a scanning device displaceable along the reading surface in the first housing, and reads a first image on a document by relatively displacing the document and scanning device; and an image recording portion which includes a recording medium supply device accommodating a recording medium, a feeding mechanism feeding the recording medium fed out of the supply device, a recording device recording a second image on the recording medium, and a second housing incorporating at least the feeding mechanism and recording device. The apparatus is placed on a rest surface in a substantially upright position, and the reading portion is changeable in position between an upright position in which the reading surface is opposed to the recording portion, and a horizontal position in which the reading surface faces upward.Type: ApplicationFiled: August 25, 2010Publication date: December 23, 2010Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Hiroaki YAZAWA, Michifumi ISHIGAMI, Sakiko KOBAYASHI, Kazuma AOKI, Masahiko FURUHASHI, Manabu ISSHIKI
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Patent number: 7800788Abstract: An image processing apparatus comprises: an image reading portion which has a box-shaped first housing with a reading surface, and a scanning device displaceable along the reading surface in the first housing, and reads a first image on a document by relatively displacing the document and scanning device; and an image recording portion which includes a recording medium supply device accommodating a recording medium, a feeding mechanism feeding the recording medium fed out of the supply device, a recording device recording a second image on the recording medium, and a second housing incorporating at least the feeding mechanism and recording device. The apparatus is placed on a rest surface in a substantially upright position, and the reading portion is changeable in position between an upright position in which the reading surface is opposed to the recording portion, and a horizontal position in which the reading surface faces upward.Type: GrantFiled: September 21, 2005Date of Patent: September 21, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Hiroaki Yazawa, Michifumi Ishigami, Sakiko Kobayashi, Kazuma Aoki, Masahiko Furuhashi, Manabu Isshiki
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Patent number: 7753480Abstract: An image forming apparatus includes: a recording head that forms an image onto a recording medium; a guide shaft disposed to extend in a direction orthogonal to a conveyance direction of the recording medium; a carriage on which the recording head is mounted and includes a support portion formed integrally with the carriage; and a bearing unit attached to an inner surface of the support portion and allows the carriage to be moved along the guide shaft, and includes plate-shaped bearing portions that are disposed to have a contained angle that allows the bearing portions to contact with a circumferential surface of the guide shaft at two points.Type: GrantFiled: April 26, 2004Date of Patent: July 13, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Kiyoshi Ueda, Yukio Shiohara, Hiroaki Yazawa
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Patent number: 7748808Abstract: A droplet ejection apparatus includes a plurality of tanks, a plurality of sub-tanks, a replenishment amount detector, a liquid replenisher and a recording head. Each of the plurality of tanks is capable of storing a different kind of basic liquid. The plurality of sub-tanks includes a first sub-tank that includes a mixed liquid of two or more of the different kinds of the basic liquids from the plurality of tanks. The replenishment amount detector detects amount of each of the different kinds of the basic liquids to be transferred to the first sub-tank. The liquid replenisher transfers the basic liquids stored in the tanks into the sub-tanks until a predetermined amount for each of the basic liquids is detected by the replenishment amount detector. The recording head ejects the liquids supplied from the sub-tanks in a form of droplets.Type: GrantFiled: October 27, 2006Date of Patent: July 6, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai, Hikaru Kaga
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Patent number: 7654656Abstract: A switching unit is provided near a tube for connecting an atmosphere communicating section of an ink cartridge to a charge tank. This switching unit comprises: a base; and a pressing mechanism arranged inside the base and capable of individually pressing tubes, so that the switching unit can apply the pressure from the charge tank and the tube pump selectively onto a plurality of the ink cartridges.Type: GrantFiled: June 7, 2006Date of Patent: February 2, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai, Hikaru Kaga
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Publication number: 20100002049Abstract: At a predetermined position during the lateral movement of a carriage 10, a gap switching mechanism 30 for switching a gap between a recording head 15 and a recording medium is provided. The recording head 15 is mounted facing downward on the carriage 10. A part close to one side on a lower end of the carriage is slidably and pivotably supported by a guide shaft 11 of a round shaft shape. A switching block member 13 provided with several abutment portions 52 and 53 with different heights, which are positioned so as to be opposed to a slide portion 12a at an upper end of a frame 12 extending in a vertical direction along a back of the carriage. The A switching block member 13 is pivotably supported by the carriage. A first pushing portion 56 is located at a left end of the frame so as to abut against the switching block member 13.Type: ApplicationFiled: August 7, 2009Publication date: January 7, 2010Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Kiyoshi UEDA, Yukio SHIOHARA, Hiroaki YAZAWA, Kenji SAMOTO, Shunji MURAI, Masatoshi YAMADA
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Patent number: 7641326Abstract: An ink jet recording apparatus configured as a multi-function device is provided. The multi-function device can have four ink tanks, which store black ink, cyan ink, yellow ink and magenta ink. The multi-function device may have greater than four sub-tanks, which can be held in a scanning carriage and configured to move with a recording head. By moving the scanning carriage, the positions of the ink tanks can be aligned with the positions of the sub-tanks. In this manner, the basic inks can be supplied from the ink tanks into basic ink sub-tanks, and predetermined combinations of basic inks can be supplied into the other sub-tanks to create mixed inks.Type: GrantFiled: March 22, 2006Date of Patent: January 5, 2010Assignee: Brother Kogyo Kabushiki KaishaInventors: Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai, Hikaru Kaga
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Patent number: 7585123Abstract: At a predetermined position during the lateral movement of a carriage 10, a gap switching mechanism 30 for switching a gap between a recording head 15 and a recording medium is provided. The recording head 15 is mounted facing downward on the carriage 10. A part close to one side on a lower end of the carriage is slidably and pivotably supported by a guide shaft 11 of a round shaft shape. A switching block member 13 provided with several abutment portions 52 and 53 with different heights, which are positioned so as to be opposed to a slide portion 12a at an upper end of a frame 12 extending in a vertical direction along a back of the carriage. The A switching block member 13 is pivotably supported by the carriage. A first pushing portion 56 is located at a left end of the frame so as to abut against the switching block member 13.Type: GrantFiled: April 26, 2004Date of Patent: September 8, 2009Assignee: Brother Kogyo Kabushiki KaishaInventors: Kiyoshi Ueda, Yukio Shiohara, Hiroaki Yazawa, Kenji Samoto, Shunji Murai, Masatoshi Yamada
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Patent number: 7556340Abstract: Three nozzle caps for sealing the surface of a recording head are provided in correspondence to an ink tank group of Y, C, and M, an ink tank group of R, G, and B, and an ink tank group of photo-K and K. Then, ink is sucked for each of the three nozzle caps by a suction pump.Type: GrantFiled: May 31, 2006Date of Patent: July 7, 2009Assignee: Brother Kogyo Kabushiki KaishaInventors: Takaichiro Umeda, Hiroaki Yazawa, Hikaru Kaga, Hisaki Sakurai
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Publication number: 20090141100Abstract: An ink supply device includes: an ink cartridge including a port which is provided in a rear surface thereof at a lower portion of the ink chamber and which allows ink to flow in an ink flow direction and an engaged portion which is provided on an upper surface thereof; a cartridge mounting portion into which the ink cartridge is insertable in an insertion direction wherein the cartridge mounting portion is configured to accommodate the ink cartridge movably between a first posture and a second posture; a joint which is provided in the cartridge mounting portion and is connected to the port; a first elastic member which urges the ink cartridge to a removal direction; and a lock member which is engaged with the engaged portion to prevent the ink cartridge from being moved in the removal direction by the urging force of the first elastic member.Type: ApplicationFiled: December 1, 2008Publication date: June 4, 2009Inventors: Hirotake Nakamura, Hiroaki Yazawa
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Publication number: 20090141056Abstract: An image recording apparatus and an information output method are provided. The image recording apparatus includes a mounting portion configured to mount thereon an ink cartridge, a first detecting unit which detects an amount of ink in the ink cartridge mounted on the mounting portion, a storage unit which stores a detection result by the first detecting unit in a storage medium, a comparing unit which compares a first detection result stored in the storage medium before the image recording apparatus is restarted, with a second detection result obtained by the first detecting unit after the image recording apparatus is restarted, and a first output unit which outputs instruction information to re-mount the ink cartridge if the comparing unit determines that the first detection result is not same as the second detection result.Type: ApplicationFiled: December 1, 2008Publication date: June 4, 2009Inventors: Hirotake Nakamura, Hiroaki Yazawa
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Publication number: 20080174618Abstract: When a DNA ink printing mode is selected, a serial number and a pattern data of DNA is read from an IC tag of a DNA ink cartridge and a fingerprint of a printing person is read by a fingerprint authenticating unit. The pattern of the fingerprint and DNA which have been read are verified with the pattern data of fingerprints and DNA in a memory and personal authentication is carried out. Thereafter, a DNA ink is jetted on to a recording paper, and printing of an image by an image forming ink is carried out. By carrying out printing by such a method, it is possible to specify the printing person who has created the printed matter.Type: ApplicationFiled: December 28, 2007Publication date: July 24, 2008Inventors: Hiroto Sugahara, Hiroaki Yazawa, Masahiro Nishizaki, Motohiro Momozaki
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Patent number: 7396116Abstract: An ink jet printer is provided with an ink jet head, a first support device, and a connecting device. The ink jet head is connected with an ink cartridge that stores ink, and the ink jet head discharges the ink supplied from the ink cartridge. The first support device is capable of supporting a plurality of spare ink cartridges that are aligned in a direction in which the ink is discharged. The connecting device disconnects the ink cartridge from the ink jet head, and connects one of the spare ink cartridges to the ink jet head. In the ink jet printer, the first support device is offset from the ink jet head within a plane that is perpendicular to the direction of ink discharge.Type: GrantFiled: August 31, 2005Date of Patent: July 8, 2008Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroaki Yazawa
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Patent number: 7367659Abstract: An ink jet printer is provided with a carriage, a pair of ink cartridges, an ink jet head, an ink tank, and an ink replenishment device. The pair of ink cartridges stores ink of same color. The carriage alternately supports each the ink cartridge. The ink jet head is supported by the carriage. The ink jet head discharges ink supplied from the ink cartridge currently being supported by the carriage. The ink tank stores the ink of the predetermined color. The ink replenishment device replenishes the ink cartridge currently not being supported by the carriage with the ink from the ink tank.Type: GrantFiled: August 26, 2005Date of Patent: May 6, 2008Assignee: Brother Kogyo Kabushiki KaishaInventor: Hiroaki Yazawa
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Publication number: 20070242112Abstract: The ink tank includes an ink chamber and a cleaning solvent chamber. Ink is stored in the ink chamber. Cleaning solvent is stored in the cleaning solvent chamber. Mounting portions are provided on the bottom surface side of the ink tank. One of the mounting portions is provided corresponding to the ink chamber, and the other mounting portion is provided corresponding to the cleaning solvent chamber. The ink tank is mounted to a scanning carriage by the mounting portions being fitted into a holding unit of the scanning carriage. Deriving ports may be formed on the bottom surfaces of recesses of the mounting portions.Type: ApplicationFiled: March 28, 2007Publication date: October 18, 2007Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Hiroaki YAZAWA
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Publication number: 20070097189Abstract: A droplet ejection apparatus includes a plurality of tanks, a plurality of sub-tanks, a replenishment amount detector, a liquid replenisher and a recording head. Each of the plurality of tanks is capable of storing a different kind of basic liquid. The plurality of sub-tanks includes a first sub-tank that includes a mixed liquid of two or more of the different kinds of the basic liquids from the plurality of tanks. The replenishment amount detector detects amount of each of the different kinds of the basic liquids to be transferred to the first sub-tank. The liquid replenisher transfers the basic liquids stored in the tanks into the sub-tanks until a predetermined amount for each of the basic liquids is detected by the replenishment amount detector. The recording head ejects the liquids supplied from the sub-tanks in a form of droplets.Type: ApplicationFiled: October 27, 2006Publication date: May 3, 2007Inventors: Takaichiro Umeda, Hiroaki Yazawa, Hisaki Sakurai, Hikaru Kaga
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Patent number: RE41064Abstract: The invention provides an ink ribbon cartridge which ensures proper, reliable mounting of an ink ribbon. The ink ribbon cartridge of the invention includes a pair of spools, an ink ribbon including a band-like sheet wound around the pair of spools and provided with a layer of ink formed on one surface thereof, four spindles which have disk-shaped sections at one end and can be placed, for a specific length in both ends of the pair of spools, and a cover covering the pair of spools around which the sheet is wound and having four round holes in which the disk-shaped sections of each of the spindles are loosely fitted. In one of the four ends of the pair of spools, only the other end of a specific one of the four spindles can be inserted for a specific length, and one of the four round holes formed in the cover is formed such that only the disk-shaped section on one side of the specific spindle can be loosely fitted.Type: GrantFiled: January 30, 2006Date of Patent: December 29, 2009Assignee: Brother Kogyo Kabushiki KaishaInventors: Yoshikatsu Kameyama, Hiroaki Yazawa