Patents by Inventor Satoshi Kaiho
Satoshi Kaiho 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: 7484826Abstract: An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that moves along a moving path orthogonal to a conveying direction of the sheet, ejects an ink to the sheet to print an image on the sheet, and, after the printing is finished, stands by in a first standby position on one end side of the moving path, and a CPU that moves the recording head that is on standby in the first standby position to an arbitrary position of the moving path.Type: GrantFiled: January 4, 2007Date of Patent: February 3, 2009Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Masashi Hiroki, Satoshi Kaiho
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Patent number: 7460819Abstract: A toner cartridge includes a toner container which contains toner, the toner container having at one end portion thereof a discharge port which discharges the toner, and a member which is attached to an outer peripheral surface of the one end portion. The member has a first part which is engaged with the one end portion, and a second part which has, at a position corresponding to the discharge port, a passage hole through which the toner discharged from the discharge port passes.Type: GrantFiled: December 21, 2005Date of Patent: December 2, 2008Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Satoshi Kaiho
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Publication number: 20080181674Abstract: A toner cartridge includes a toner container which contains toner, the toner container having at one end portion thereof a discharge port which discharges the toner, and a member which is attached to an outer peripheral surface of the one end portion. The member has a first part which is engaged with the one end portion, and a second part which has, at a position corresponding to the discharge port, a passage hole through which the toner discharged from the discharge port passes.Type: ApplicationFiled: March 31, 2008Publication date: July 31, 2008Inventor: Satoshi Kaiho
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Publication number: 20080165239Abstract: An image forming apparatus includes an apparatus main body, a transport mechanism that is provided in the apparatus main body and transports a sheet, a recording head e to record an image by discharging ink to the medium transported by the transport mechanism, a sheet guide that is provided to be opposite to the recording head and guides the sheet, a transport roller provided at an upstream side of the sheet guide in a sheet transport direction, an ejection roller provided at a downstream side thereof, and a transport unit that integrates the medium guide, the transport roller and the ejection roller and is provided to freely come in and out of the apparatus main body.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165240Abstract: An image forming apparatus includes an image forming unit and a supporting mechanism that supports this image forming unit. A feed tray for placing sheets thereon is provided in a rear part of the image forming unit. The supporting mechanism includes a base member and a turntable. The turntable can move along a guide section to a first position on a rear side and a second position on a front side with respect to the base member. The supporting mechanism includes a rotation stopping mechanism that prevents the turntable from rotating when the turntable is in the first position and a rotating mechanism that rotates the turntable in a horizontal plane in a state in which the turntable has moved to the second position.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165218Abstract: An image forming apparatus includes a sheet guide that guides a sheet carried by a carrier mechanism in a first casing, a second casing that is mounted rotatably via a support shaft on the first casing and that is opened and closed about the support shaft, and a recording head that is provided in this second casing and that ejects ink to the sheet guided by the sheet guide while moving along a moving path orthogonal to a direction of carrying the sheet and thus records an image thereon, and that, after the end of this recording operation, moves to a standby position on one end side of the moving path and waits there.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165220Abstract: An image forming apparatus includes a carriage on which a recording head of an ink-jet system is mounted, a carriage drive mechanism to drive the carriage, a sheet transport mechanism to transport a sheet in a specified direction, a main power-supply unit, and an auxiliary power-supply unit. The carriage is moved in a direction orthogonal to the transport direction of the sheet by the carriage drive mechanism. The image forming apparatus includes a cap movable in a direction of coming in contact with the recording head and in a direction of separating therefrom, and a cap drive unit to move the cap. The auxiliary power-supply unit supplies electric power to the cap drive unit at a time of interruption of the main power-supply unit.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165242Abstract: An image forming apparatus includes a carriage mounted with a recording head, a carriage driving mechanism including a motor for reciprocatingly moving the carriage, a sheet conveying mechanism that conveys the sheet in a direction orthogonal to a moving direction of the carriage, a sheet guide member that has a guide section arranged below the recording head and opposed to the recording head and in which the sheet passes over the guide section, a sheet stacking unit that stacks and stores the sheet before printing, a first conveying path that conveys the sheet from this sheet stacking unit while causing the sheet to pass below the recording head, a second conveying path that conveys the sheet from this first conveying path to a space between the recording head and the sheet guide member while reversing the sheet, a third conveying path that conveys the sheet from the first conveying path to a temporary storing unit in a state in which a front-to-rear direction of the sheet is maintained, a fourth conveying pType: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165241Abstract: An image forming apparatus includes a carriage on which a recording head is mounted, a carriage drive mechanism including a motor to reciprocate the carriage, a sheet transport mechanism to transport the sheet in a direction orthogonal to a movement direction of the carriage, a sheet guide member arranged below the recording head and having a guide unit which is opposite to the recording head and on which the sheet passes, a paper loading unit arranged below the recording head and containing the stacked sheet before printing, a first transport path to transport the sheet from the paper loading unit to between the recording head and the sheet guide member while inverting the sheet, a second transport path to transport the sheet from the paper loading unit to a temporal containing unit in a state where a front-back direction of the sheet is kept, and a third transport path to transport the sheet from the temporal containing unit to between the recording head and the sheet guide member in a state where the frontType: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165238Abstract: An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that ejects an ink to the medium conveyed by this conveying mechanism and records an image on the medium, and a sheet guide that is spaced apart from and opposed to this recording head, guides the sheet, and is provided to be freely inserted into and taken out from the apparatus body.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165236Abstract: An image forming apparatus includes a carriage mounted with a recording head of an ink-jet system, a carriage driving mechanism, and a sheet conveying mechanism that conveys a sheet in a predetermined direction. The carriage is moved in a direction orthogonal to the conveying direction of the sheet by the carriage driving mechanism. A sheet guide member is arranged in a position below the recording head and opposed to the recording head. A sheet passes over a guide section of this sheet guide member. A heater is provided in the sheet guide member. This heater heats the guide section.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165215Abstract: An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that moves along a moving path orthogonal to a conveying direction of the sheet, ejects an ink to the sheet to print an image on the sheet, and, after the printing is finished, stands by in a first standby position on one end side of the moving path, and a CPU that moves the recording head that is on standby in the first standby position to an arbitrary position of the moving path.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080165231Abstract: An ink-jet recording apparatus includes plural cartridge loading units respectively corresponding to plural ink cartridges and configured in such a manner that the respective ink cartridges are loaded therein in a reloadable manner, ink inflow ports provided to the respective plural cartridge loading units to introduce the inks accommodated in the ink cartridges to be supplied to the plural heads when connected to ink outflow ports provided to the ink cartridges, a detection unit configured to detect whether the ink cartridges are loaded in the cartridge loading units as predetermined before the ink outflow ports come into contact with the ink inflow ports when the ink cartridges are loaded in the cartridge loading units, and a notifying unit configured to notify a detection result of the detection unit in a form of a display or a sound.Type: ApplicationFiled: January 4, 2007Publication date: July 10, 2008Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Masashi Hiroki, Satoshi Kaiho
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Publication number: 20080101812Abstract: A transfer roller drive unit sets an all-separate mode after setting a full-color mode, sets a monochrome mode after setting the all-separate mode, and sets a full-color mode after setting the monochrome mode. Namely, a transfer belt 25 comes into contact with the photosensitive drum 24 first, and then the photosensitive drums 21, 22 and 23. This pattern is repeated. The transfer belt 25 does not come into contact with the photosensitive drums 21, 22, 23 and 24 at a time.Type: ApplicationFiled: January 3, 2008Publication date: May 1, 2008Inventor: Satoshi KAIHO
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Publication number: 20080089711Abstract: An image forming apparatus of the present invention comprises an apparatus body having a document table portion on which a document is placed, a scanning unit provided inside the apparatus body to optically scan an image of the document placed on the document table portion, an image forming unit for forming a developer image on a photosensitive drum in accordance with the image information scanned by the scanning unit, a transfer charger for transferring the developer image formed by the image forming unit on a sheet, a fixing unit for fixing the developer image transferred by the transfer charger on the sheet, an ejecting roller for ejecting the sheet on which the developer image is fixed by the fixing unit to the outside, a sheet receiving unit provided below the scanning unit inside the apparatus body to receive the sheet ejected from the ejecting roller, and a blowing unit for blowing cool air to the sheet receiving unit along a lower surface part of the scanning unit.Type: ApplicationFiled: December 10, 2007Publication date: April 17, 2008Inventor: Satoshi KAIHO
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Patent number: 7333759Abstract: A transfer roller drive unit sets an all-separate mode after setting a full-color mode, sets a monochrome mode after setting the all-separate mode, and sets a full-color mode after setting the monochrome mode. Namely, a transfer belt 25 comes into contact with the photosensitive drum 24 first, and then the photosensitive drums 21, 22 and 23. This pattern is repeated. The transfer belt 25 does not come into contact with the photosensitive drums 21, 22, 23 and 24 at a time.Type: GrantFiled: September 12, 2005Date of Patent: February 19, 2008Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Satoshi Kaiho
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Patent number: 7324774Abstract: An image forming apparatus of the present invention comprises an apparatus body having a document table portion on which a document is placed, a scanning unit provided inside the apparatus body to optically scan an image of the document placed on the document table portion, an image forming unit for forming a developer image on a photosensitive drum in accordance with the image information scanned by the scanning unit, a transfer charger for transferring the developer image formed by the image forming unit on a sheet, a fixing unit for fixing the developer image transferred by the transfer charger on the sheet, an ejecting roller for ejecting the sheet on which the developer image is fixed by the fixing unit to the outside, a sheet receiving unit provided below the scanning unit inside the apparatus body to receive the sheet ejected from the ejecting roller, and a blowing unit for blowing cool air to the sheet receiving unit along a lower surface part of the scanning unit.Type: GrantFiled: December 2, 2005Date of Patent: January 29, 2008Assignees: Kabushiki Tec Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Satoshi Kaiho
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Patent number: 7308225Abstract: An image forming apparatus includes a plurality of image forming units, a transfer belt that receives toner images from the plurality of image forming units, and a plurality of transfer rollers for rotating the transfer belt in an image forming direction. The image forming apparatus also includes a tensioner having a first end and a second end, and a tension roller coupled to the first end. The tension roller is in contact with the surface of the transfer belt. The tensioner is rotatable at a second end positioned away from a surface of the transfer belt.Type: GrantFiled: March 29, 2005Date of Patent: December 11, 2007Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Satoshi Kaiho
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Publication number: 20070231001Abstract: A technique capable of contributing to improvement of operability when a transfer belt unit is mounted in an image forming device is provided.Type: ApplicationFiled: March 30, 2007Publication date: October 4, 2007Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Satoshi Kaiho, Naoki Yamamura
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Publication number: 20070231000Abstract: There is provided a transfer belt unit mounting/dismounting device constituted by a decreased number of component parts capable of using the guide rails not only to guide the insertion of the transfer belt unit, but also to set the transfer belt unit to a transfer position and to return it to a non-transfer section.Type: ApplicationFiled: March 30, 2007Publication date: October 4, 2007Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Yoshihisa Otake, Satoshi Kaiho