Patents by Inventor Yoshiaki Kaneko
Yoshiaki Kaneko 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: 8995857Abstract: An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet.Type: GrantFiled: November 19, 2013Date of Patent: March 31, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
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Patent number: 8979233Abstract: An image forming apparatus includes: a first image forming unit configured to form an image with erasable first ink; a second image forming unit configured to share a conveying path with the first image forming unit and form an image with not erasable second ink; a recording unit configured to record a level of use of a recording medium on the recording medium; a detecting unit configured to detect the level of use; and a control unit configured to control the first image forming unit or the second image forming unit according to a detection result of the detecting unit.Type: GrantFiled: April 29, 2013Date of Patent: March 17, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Minoru Yoshida, Takeshi Watanabe, Takeshi Kado
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Patent number: 8960831Abstract: According to one embodiment, the inkjet head of an application example includes a pressure chamber for charging the ink, an actuator for changing the volume of the pressure chamber, a nozzle for discharging the ink inside the pressure chamber when the volume of the pressure chamber is changed, and a controller that, in the formation of one pixel by discharging ink drops from the nozzle, when the elapsed interval from discharging ink drops last time by the nozzle is less than the specified interval, outputs the discharging waveform corresponding to the ink drop number determined for the formation of the pixel, and when the elapsed interval is more than the specified interval, increases the number of ink drop discharge cycles above the number determined for the formation of the pixel.Type: GrantFiled: January 2, 2013Date of Patent: February 24, 2015Assignee: Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Takashi Kado, Masashi Hiroki, Atsushi Kubota, Takao Izumi, Takaya Kitawaki
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Patent number: 8953965Abstract: An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material that is not thermally decolorizable; a second image forming unit which forms a second image on a second recording medium with a second material that is thermally decolorizable; a fixing device which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a controller which controls the fixing device so that a temperature of the fixing device is lower than a decolorizing temperature of the second material when the second recording medium reaches the fixing device.Type: GrantFiled: September 26, 2012Date of Patent: February 10, 2015Assignees: Kabushiki Kaisha Toshiba, Toshiba TEC Kabushiki KaishaInventors: Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi
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Publication number: 20140241762Abstract: An endless belt for an image forming device includes a base member that is shaped in a loop and is to be rotated around a center of the loop, and a reinforcement tape that is attached to a side of the base member, has two ends that are overlapped with each other, and has a bonding portion between the two ends in the overlapped portion. The bonding portion has an outer portion, an inner portion and a center portion between the inner and outer portions. A length of the center portion in a rotating direction of the base member is greater than a length of the inner portion and a length of the outer portion.Type: ApplicationFiled: February 21, 2014Publication date: August 28, 2014Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki KANEKO, Kimiaki FURUKAWA
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Patent number: 8781338Abstract: There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information image reading unit that reads an identification information image formed on the sheet, the identification information image corresponding to identification information that identifies the sheet on which the image is formed; an image forming unit that forms a first image based on the image data acquired by the image data acquiring unit on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner.Type: GrantFiled: March 12, 2013Date of Patent: July 15, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Minoru Yoshida, Yoshiaki Kaneko, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi, Hiroshi Hashidume, Makoto Tani, Takahisa Hirano
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Patent number: 8713961Abstract: In an outdoor unit having a housing containing a heat exchange chamber and a machine chamber vertically partitioned by a partition plate, an electrical component box includes a main body portion disposed in the machine chamber and having a first electrical component unit, and a protrusion portion protruding from the machine chamber into the heat exchange chamber and having a second electrical component unit. The main body portion and the protrusion portion are joined to form an air flowing path for sucking cooling air from the back surface side of the machine chamber, branching the cooling air into first cooling air directly flowing to the sink tank and second cooling air passing over electrical parts of the first electrical component unit and then converging with the first cooling air at the entrance of the sink tank.Type: GrantFiled: May 17, 2010Date of Patent: May 6, 2014Assignee: Sanyo Electric Co., Ltd.Inventors: Kazuhiro Shimaoka, Kenichi Nakajima, Jun Yamauchi, Shintaro Sugimoto, Yoshimi Kusama, Yoshiaki Kaneko
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Publication number: 20140112693Abstract: An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet.Type: ApplicationFiled: November 19, 2013Publication date: April 24, 2014Applicants: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha ToshibaInventors: KEN IGUCHI, Hiroyuki TAGUCHI, Minoru YOSHIDA, Osamu TAKAGI, Takahito KABAI, Yoshiaki KANEKO
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Patent number: 8615177Abstract: An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet.Type: GrantFiled: June 5, 2013Date of Patent: December 24, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
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Publication number: 20130287416Abstract: An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet.Type: ApplicationFiled: June 5, 2013Publication date: October 31, 2013Inventors: KEN IGUCHI, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
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Publication number: 20130258379Abstract: There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information image reading unit that reads an identification information image formed on the sheet, the identification information image corresponding to identification information that identifies the sheet on which the image is formed; an image forming unit that forms a first image based on the image data acquired by the image data acquiring unit on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner.Type: ApplicationFiled: March 12, 2013Publication date: October 3, 2013Applicant: Toshiba Tec Kabushiki KaishaInventors: Minoru YOSHIDA, Yoshiaki KANEKO, Osamu TAKAGI, Takahito KABAI, Hiroyuki TAGUCHI, Ken IGUCHI, Hiroshi HASHIDUME, Makoto TANI, Takahisa HIRANO
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Publication number: 20130250025Abstract: An image forming apparatus includes: a first image forming unit configured to form an image with erasable first ink; a second image forming unit configured to share a conveying path with the first image forming unit and form an image with not erasable second ink; a recording unit configured to record a level of use of a recording medium on the recording medium; a detecting unit configured to detect the level of use; and a control unit configured to control the first image forming unit or the second image forming unit according to a detection result of the detecting unit.Type: ApplicationFiled: April 29, 2013Publication date: September 26, 2013Applicant: Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Minoru Yoshida, Takeshi Watanabe, Takeshi Kado
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Publication number: 20130215172Abstract: According to one embodiment, an inkjet head has a pressure chamber for storing an ink, an actuator for changing the volume of the pressure chamber, and a nozzle through which the ink stored in the pressure chamber is ejected when the volume of the pressure chamber is changed. Additionally, the inkjet head has a temperature sensor for detecting the temperature of the ink and a controller for controlling the actuator by outputting an ejecting waveform. The ejecting waveform sequentially includes an expansion pulse, a first contraction pulse, and a second contraction pulse. The controller changes the pulse width or voltage value of the second contraction pulse when the temperature detected by the temperature sensor changes.Type: ApplicationFiled: December 21, 2012Publication date: August 22, 2013Inventors: Yoshiaki KANEKO, Takashi KADO
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Patent number: 8478151Abstract: An image forming apparatus includes: a first image forming unit configured to form an image on a sheet using a first colorant to be heat-fixed on the sheet; a second image forming unit configured to form an image on the sheet using a second colorant that is erasable by heating; and a fixing device arranged further on a downstream side in a sheet conveying direction than the first image forming unit and further on an upstream side in the sheet conveying direction than the second image forming unit and capable of executing fixing processing for heat-fixing the image, which is formed on the sheet by the first image forming unit, on the sheet and executing erasing processing for heating the sheet, on which the image is formed with the second colorant, to erasing temperature to thereby erase the second colorant on the sheet.Type: GrantFiled: February 3, 2010Date of Patent: July 2, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
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Patent number: 8449062Abstract: An image forming apparatus includes: a first image forming unit configured to form an image with erasable first ink; a second image forming unit configured to share a conveying path with the first image forming unit and form an image with not erasable second ink; a recording unit configured to record a level of use of a recording medium on the recording medium; a detecting unit configured to detect the level of use; and a control unit configured to control the first image forming unit or the second image forming unit according to a detection result of the detecting unit.Type: GrantFiled: April 23, 2010Date of Patent: May 28, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Minoru Yoshida, Takeshi Watanabe, Takashi Kado
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Patent number: 8422892Abstract: There is provided an image forming apparatus including: an image data acquiring unit that acquires image data of an image formed on a sheet; an identification information acquiring unit that acquires identification information that identifies the sheet on which the image is formed; an image forming unit that forms an image based on the image data on the sheet with a decolorable colorant which becomes colorless by a predetermined chemical reaction and that forms an identification information image based on the identification information on the sheet with a non-decolorable colorant which does not become colorless by the chemical reaction; and a storage control unit that stores the identification information and the image data of the image to be formed on the sheet, on which the identification information image corresponding to the identification information is formed, in a predetermined storage region in a correlated manner.Type: GrantFiled: April 26, 2010Date of Patent: April 16, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Minoru Yoshida, Yoshiaki Kaneko, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi, Hiroshi Hashidume, Makoto Tani, Takahisa Hirano
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Patent number: 8328309Abstract: According to one embodiment, an ink jet head includes pressure chambers filled with liquid, nozzles discharging the liquid that is in the pressure chambers, actuators changing the capacity of the pressure chambers, and a processor. The processor repeatedly outputs a waveform voltage including an expansion pulse, a ground potential, a contraction pulse, and a ground potential in this order, as a driving voltage with respect to the actuators.Type: GrantFiled: May 31, 2011Date of Patent: December 11, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Takao Izumi, Takashi Kado, Yoshiaki Kaneko, Masashi Hiroki
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Patent number: 8290386Abstract: An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a second material which is thermally decolorized; a fixing unit which is on a common carrying path shared by the first recording medium and the second recording medium and fixes the first image to the first recording medium; and a control unit which controls the fixing unit so that the temperature of the second recording medium passing through the fixing unit becomes lower than a decolorizing temperature of the second material.Type: GrantFiled: May 2, 2011Date of Patent: October 16, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi
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Patent number: 8237758Abstract: An image erasing apparatus includes: a scanner which detects a side of a sheet on which an image is formed using a thermally decolorable coloring agent; a heat roller which provides heat for the sheet having the image formed thereon; and a controller which causes a quantity of heat provided for the sheet from the heat roller when an image forming side detected by the scanner does not face the heat roller to be greater than a quantity of heat provided for the sheet from the heat roller when the image forming side faces the heat roller.Type: GrantFiled: February 5, 2010Date of Patent: August 7, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventors: Hiroyuki Taguchi, Ken Iguchi, Minoru Yoshida, Osamu Takagi, Takahito Kabai, Yoshiaki Kaneko
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Publication number: 20120098912Abstract: According to one embodiment, an image forming apparatus includes, an endless device which has a circumferential surface, a laminated cover which is arranged onto the circumferential surface of the endless device in an overlapping manner, a rotation mechanism which rotates the endless device, a supply mechanism which supplies a recording medium to the endless device, a recording head unit, and a discharge mechanism. The laminated cover include a metal layer which has the inner surface which comes into contact with the circumferential surface of the endless device, and a dielectric layer which comes into contact with the metal layer. The laminated cover includes a hem portion which is formed to be folded back at least at a part of a circumferential edge region of the laminated cover, with the dielectric layer as the outside of the bending.Type: ApplicationFiled: October 17, 2011Publication date: April 26, 2012Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Yoshiaki Kaneko, Kazuhiro Hara