Patents Assigned to Mitsubishi Kagaku Imaging Corporation
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Publication number: 20120295196Abstract: There is provided in one embodiment a bio-toner having a bio-resin, a second resin, and one or more colorants. The second resin has at least one of a styrene acrylate resin or a polyester resin each having at least one molecular weight peak greater than 90,000 and at least one molecular weight peak less than 15,000. The bio-resin is a polyester polymer having one or more reacted di-acid monomer units and one or more reacted diol monomer units. At least one of the reacted di-acid monomer units or at least one of the reacted diol monomer units is a bio-monomer obtained from a plant or an animal source.Type: ApplicationFiled: May 16, 2012Publication date: November 22, 2012Applicant: Mitsubishi Kagaku Imaging CorporationInventors: David Urban, Takeshi Owada
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Publication number: 20120275816Abstract: Methods and devices for remanufacturing printer cartridges are provided where the printer cartridges comprise a photoconductive drum, the photoconductive drum comprises a drum gear end, and the drum gear end of the photoconductive drum is configured to be attached to a laser printer via a rotational force transmitting assembly. In an embodiment, the method comprises removing the rotational force transmitting assembly from the photoconductive drum, providing a replacement photoconductive drum, and attaching the rotational force transmitting assembly to the replacement photoconductive drum.Type: ApplicationFiled: July 11, 2012Publication date: November 1, 2012Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Publication number: 20120275818Abstract: Methods and devices for remanufacturing printer cartridges are provided where the printer cartridges comprise a photoconductive drum, the photoconductive drum comprises a drum gear end, and the drum gear end of the photoconductive drum is configured to be attached to a laser printer via a rotational force transmitting assembly. In an embodiment, the method comprises removing the rotational force transmitting assembly from the photoconductive drum, providing a replacement photoconductive drum, and attaching the rotational force transmitting assembly to the replacement photoconductive drum.Type: ApplicationFiled: July 11, 2012Publication date: November 1, 2012Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Publication number: 20120275817Abstract: Methods and devices for remanufacturing printer cartridges are provided where the printer cartridges comprise a photoconductive drum, the photoconductive drum comprises a drum gear end, and the drum gear end of the photoconductive drum is configured to be attached to a laser printer via a rotational force transmitting assembly. In an embodiment, the method comprises removing the rotational force transmitting assembly from the photoconductive drum, providing a replacement photoconductive drum, and attaching the rotational force transmitting assembly to the replacement photoconductive drum.Type: ApplicationFiled: July 11, 2012Publication date: November 1, 2012Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Patent number: 8254801Abstract: A flange assembly for a drum of an image forming apparatus. The flange assembly including a flange having a hollow portion that extends from a first end of the flange to a second end of the flange, and a grounding member provided within the hollow portion of the flange. The grounding member is configured to ground the drum by contacting a ground pin of the image forming apparatus when the drum and the flange assembly are mounted to the image forming apparatus. When the grounding member is provided within the hollow portion of the flange, an open space is provided along an entire length from the first end of the flange to the second end of the flange. The driving flange has a generally triangular-shaped drive member at a terminal end thereof, and the drive member is configured to mate with a drum drive assembly of the image forming apparatus.Type: GrantFiled: November 2, 2007Date of Patent: August 28, 2012Assignee: Mitsubishi Kagaku Imaging CorporationInventor: Jon Peter Zogg
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Patent number: 8249483Abstract: Methods and devices for remanufacturing printer cartridges are provided where the printer cartridges comprise a photoconductive drum, the photoconductive drum comprises a drum gear end, and the drum gear end of the photoconductive drum is configured to be attached to a laser printer via a rotational force transmitting assembly. In an embodiment, the method comprises removing the rotational force transmitting assembly from the photoconductive drum, providing a replacement photoconductive drum, and attaching the rotational force transmitting assembly to the replacement photoconductive drum.Type: GrantFiled: December 1, 2009Date of Patent: August 21, 2012Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Patent number: 8190056Abstract: Method of replacing an organic photo conductor (OPC) drum of an image forming apparatus, the image forming apparatus having a support carriage arranged to axially support the OPC drum at a first end and a second end. The method includes removing the OPC drum from the support carriage and procuring a replacement OPC drum having a first axial flange/endpin and a second axial flange/endpin. The first axial flange is inserted into the first end of the support carriage and the second end of the support carriage is elastically deformed. Then, the second axial flange is inserted into the second end of the support carriage, and a force is exerted against the second axial flange until the second end of the support carriage returns to an un-deformed state.Type: GrantFiled: September 17, 2009Date of Patent: May 29, 2012Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Jon Zogg, Will Niederstadt
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Publication number: 20110274460Abstract: There is provided a device and method for remanufacturing a printer cartridge. The printer cartridge has an organic photoconductor (OPC) drum having a drum axle and a hub assembly attached to the drum axle, and the hub assembly is in a locked position in the printer cartridge. The device has a first portion having an end configured to engage the hub assembly and unlock and lock the hub assembly. The device further has a second portion connected to the first portion, the second portion having an end configured to extract the hub assembly from the printer cartridge when the hub assembly is in an unlocked position.Type: ApplicationFiled: May 4, 2011Publication date: November 10, 2011Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Gary Silva, Tigran Ohanyan, Denny Holmes
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Publication number: 20110268470Abstract: In one embodiment there is provided a toner cartridge retaining clip. The retaining clip has a first end configured to engage a portion of a contact end cap of a toner cartridge, a second end configured to engage a portion of a toner hopper of the toner cartridge, and a body portion connecting the first end to the second end. The body portion has an abutting surface configured to abut a toner sensor contact on the toner cartridge. When the first end is securely engaged to the portion of the contact end cap, and the second end is securely engaged to the portion of the toner hopper, the first end and the second end exert opposing pressures on the toner cartridge to secure the contact end cap to the toner hopper.Type: ApplicationFiled: April 28, 2011Publication date: November 3, 2011Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Craig S. Rummler
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Patent number: 8005396Abstract: A device for supporting printer cartridge re-manufacturing work, the device comprising at least one printer cartridge mount, the mount comprising an abutting portion configured to abut to a portion of a printer cartridge cylinder positioned on the mount, the device further comprising a drill hole template connected to the printer cartridge mount, the drill hole template defining a drill hole configured to accommodate a cutting device and to create a printer cartridge cutting pattern for the cutting device.Type: GrantFiled: August 17, 2007Date of Patent: August 23, 2011Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Tigran Ohanyan, Denny Holmes
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Patent number: 7986900Abstract: A method of sealing a toner opening port of a printer cartridge is provided for inserting a seal through a toner exit port leading to the toner opening port which is configured to be covered by a toner exit port plug. The seal has a seal frame and a first pull tab attached to the seal frame with a first adhesive, and a second pull tab attached to the seal frame with a second adhesive, the second adhesive being different from the first adhesive. The method further provides for detaching the second pull tab from the seal frame, allowing the first pull tab to cover the toner opening port, and applying pressure with a seal clamp to the seal thereby allowing the seal to attach to the printer cartridge.Type: GrantFiled: October 1, 2010Date of Patent: July 26, 2011Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Publication number: 20110044721Abstract: There is provided a universal magnet roller press apparatus, assembly, and method for removing and installing a magnet and a hub of a magnet roller of a toner printer cartridge. The apparatus has a mounting base, a screw drive assembly, an alignment cradle, a front support assembly, a back support assembly, and a first rod stop and a second rod stop. The assembly has the universal magnet roller press apparatus and a plurality of magnet roller adaptors for attached to the magnet roller during removal and installation of the magnet and the hub.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Publication number: 20110044720Abstract: There is provided a retaining clip apparatus and method for securing a toner feeder gear housing to a toner hopper of a toner printer cartridge. The apparatus comprises a first end configured to engage a protruding edge of the toner hopper. The apparatus further comprises a second end having a first surface configured to engage a portion of the toner feeder gear housing and having a second surface configured to engage a portion of the top cover housing, such that the second end is positioned within a space between the top cover housing and the toner feeder gear housing. The apparatus further comprises an elongated body portion connecting the first end to the second end.Type: ApplicationFiled: August 17, 2010Publication date: February 24, 2011Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Craig S. Rummler
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Patent number: 7894767Abstract: A method for evaluating print quality comprising providing a first paper; providing a second paper; providing a reference print sample; providing a test print sample; obtaining pre-rub densities of the first paper and the second paper or the reference print sample and the test print sample; providing a mechanical rub tester; rubbing the reference print sample with a first paper using the mechanical rub tester; obtaining post-rub density of the rubbed first paper or the rubbed reference print sample; rubbing the test print sample with a second paper using the mechanical rub tester; obtaining post-rub density of the rubbed second paper or the rubbed test print sample; and comparing the pre-rub and post-rub densities of the first and second papers or the rubbed reference print sample and the rubbed test print sample.Type: GrantFiled: August 17, 2007Date of Patent: February 22, 2011Assignee: Mitsubishi Kagaku Imaging CorporationInventor: Gary Silva
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Publication number: 20110026965Abstract: A method of sealing a toner opening port of a printer cartridge comprises inserting a seal through a toner exit port leading to the toner opening port which is configured to be covered by a toner exit port plug. The seal comprises a seal frame and a first pull tab attached to the seal frame with a first adhesive, and a second pull tab attached to the seal frame with a second adhesive, the second adhesive being different from the first adhesive. The method further comprises allowing the first pull tab to cover the toner opening port, detaching the second pull tab from the seal frame, and applying pressure to the seal frame thereby allowing the second adhesive to attach the seal frame to the printer cartridge, wherein the first pull tab is configured to be detached from the seal frame without substantially adhering to the toner exit port plug.Type: ApplicationFiled: October 1, 2010Publication date: February 3, 2011Applicant: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Tigran Ohanyan
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Patent number: 7840158Abstract: A device for detaching a drum from a cartridge, the device having a fixture for supporting the printer cartridge; a clamp for preventing printer cartridge movement while the drum is being detached from the printer cartridge; and a cutting device having at least one adjustable cutting edge, wherein the adjustable cutting edge may be adjusted from an unexposed position to an exposed position and vice versa. A method of removing a drum from a printer cartridge, the drum being attached to the printer cartridge by at least one drum gear assembly, the drum gear assembly having a cylinder with a hollow interior, the method having the steps of supporting the printer cartridge on a fixture; substantially securing the printer cartridge; and cutting the drum gear assembly from the hollow interior.Type: GrantFiled: November 13, 2007Date of Patent: November 23, 2010Assignee: Mitsubishi Kagaku Imaging CorporationInventor: Tigran Ohanyan
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Patent number: 7835664Abstract: A method of sealing a toner opening port of a printer cartridge, the method comprising inserting a seal through a toner exit port, the toner exit port leading to the toner opening port, the toner exit port being configured to be covered by a toner exit port plug, the seal comprising a seal frame and a first pull tab attached to the seal frame with a first adhesive, the seal further comprising a second pull tab attached to the seal frame with a second adhesive, the second adhesive being a different type of adhesive from the first adhesive; allowing the first pull tab to cover the toner opening port; detaching the second pull tab from the seal frame; and applying pressure to the seal frame thereby allowing the second adhesive to attach the seal frame to the printer cartridge, wherein the first pull tab is configured to be detached from the seal frame without substantially adhering to the toner exit port plug.Type: GrantFiled: August 21, 2007Date of Patent: November 16, 2010Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Tigran Ohanyan, Denny Holmes
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Patent number: 7831172Abstract: The present invention also includes a method of remanufacturing a printer cartridge, the printer cartridge comprising printer cartridge components fastened together by a pin, the method comprising the steps of providing a device, the device comprising a shaft configured to apply pressure to the pin; a drive means for driving the shaft against the pin; and applying pressure to the pin using the device.Type: GrantFiled: June 19, 2009Date of Patent: November 9, 2010Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Gary Silva, Valeriy Kiselev, Gerardo Martinez, Tigran Ohanyan, Denny Holmes
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Patent number: 7831171Abstract: A printer cartridge fastener comprising a curved portion adapted to grasp a printer cartridge overhang; a main body connected to the curved portion, the main body comprising a first side connected to the curved section; and a second side positioned opposite the first side; and an elongate portion connected to the second side of the main body, the elongate portion configured to abut to a printer cartridge portion positioned substantially perpendicular to the overhang.Type: GrantFiled: March 27, 2008Date of Patent: November 9, 2010Assignee: Mitsubishi Kagaku Imaging CorporationInventors: Denny Holmes, Craig Rummler
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Publication number: 20100239969Abstract: A bio-toner for use in electrophotographic image forming that contains a bio-resin component that is at least partially derived from a renewable resource is provided. A method of making the bio-toner that contains a bio-resin component for use in electrophotographic image forming is also provided. A method for electrophotographic image formation using the bio-toner that contains a bio-resin is also provided.Type: ApplicationFiled: March 19, 2010Publication date: September 23, 2010Applicant: MITSUBISHI KAGAKU IMAGING CORPORATIONInventors: Takeshi OWADA, David Urban