Patents by Inventor Ken Hashimoto

Ken Hashimoto 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).

  • Patent number: 8308266
    Abstract: A liquid droplet ejecting apparatus includes a liquid ejecting module and a measurement section. The liquid ejecting module includes a pressure chamber that has a piezoelectric element and an ejecting nozzle, and a supply passage that supplies liquid into the pressure chamber, and the liquid ejecting module configured to eject, from the ejecting nozzles, liquid which is supplied to the pressure chamber through the supply passage. The measurement section measures an admittance or a phase difference between a voltage applied to the piezoelectric element and a current through the liquid ejecting module when the voltage is applied.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: November 13, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Manabu Numata, Hiroshi Ikeda, Ken Hashimoto
  • Patent number: 8246158
    Abstract: An image recording composition including water-absorbing resin particles and a curable material that is cured upon application of an external stimulus, a volume average particle diameter of the water-absorbing resin particles being from about 0.5 ?m to about 5.0 ?m, and a content of the water-absorbing resin particles in the image recording composition being from about 5% by weight to about 50% by weight.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: August 21, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Kentaro Ageishi, Yoshiro Yamashita, Ken Hashimoto
  • Patent number: 8197921
    Abstract: A recording apparatus comprises: an intermediate transfer body; a releasing agent supply device that supplies a releasing agent onto the intermediate transfer body; a particle supply device that supplies hydrophilic ink-recipient particles that receive an ink, onto the releasing agent supplied onto the intermediate transfer body; an ink ejection device that ejects the ink onto the ink-recipient particles supplied onto the intermediate transfer body; and a transfer device that transfers the ink-recipient particles that received the ink, onto a recording medium from the intermediate transfer body, the releasing agent comprising at least one selected from the group consisting of a silicone oil, a fluorinated oil and an organic compound having a solubility parameter (SP value) of about 11 or less.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: June 12, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Masaya Ikuno, Ken Hashimoto
  • Patent number: 8152292
    Abstract: Ink absorbing particle to absorb an ink includes a polymer. The ink absorbing particles in a TMA needle penetration have a minimum temperature Ts10b of from about 80° C. to about 150° C. at which a needle enters to a depth of 10 ?m, a minimum temperature Ts100w of about 40° C. or lower at which a needle enters to a depth of 100 ?m when an equivalent amount of water is absorbed, and a minimum temperature Ts400w of about 50° C. or higher at which a needle enters to a depth of 400 ?m when an equivalent amount of water is absorbed.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: April 10, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaya Ikuno, Ken Hashimoto
  • Patent number: 8142006
    Abstract: An image recording composition including a curable material that is cured upon application of an external stimulus, and a cationic resin having a cationic functional group.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: March 27, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Ken Hashimoto, Kentaro Ageishi
  • Patent number: 8119839
    Abstract: The present invention provides a novel compound and antidepressant composition that can be effectively used for improving depressed mood and depressed state, particularly for depressed mood and depressed state in menopausal women. The compound of the present invention is represented by the following formula (1): wherein R1 and R2 are identical or different and represent a hydrogen atom, a hydroxyl group or an acetyloxy group, and n is an integer of 2 to 7, or a pharmaceutically acceptable salt or ester thereof. This compound is used as an active ingredient in the antidepressant composition. Examples of the compound of the invention include (2E)-9,10-dihydroxy-2-decenoic acid, (2Z)-9,10-dihydroxy-2-decenoic acid, (2E)-9-hydroxy-2-decenoic acid, and (2E)-7-acetoxy-2-heptenoic acid.
    Type: Grant
    Filed: July 19, 2008
    Date of Patent: February 21, 2012
    Assignee: Yamada Apiculture Center, Inc.
    Inventors: Hiroyuki Yoshimura, Kiyoshi Okihara, Satoshi Kawatake, Hiroko Tani, Tomoki Tatefuji, Ken Hashimoto, Hiromasa Tanaka, Akinori Inoue, Miyako Yanagihara
  • Patent number: 8110611
    Abstract: A composition for image recording includes a curable material that is curable by an external stimulus, and an oil absorbing material.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: February 7, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Ken Hashimoto
  • Patent number: 8109626
    Abstract: A recording device including: an intermediate transfer member; a particle supply unit that supplies ink receiving particles that receive ink onto the intermediate transfer member; an ink ejecting unit that ejects ink to the ink receiving particles that have been supplied onto the intermediate transfer member; a transfer unit that transfers the ink receiving particles that have received the ink to a recording medium from the intermediate transfer member; a cleaning unit that cleans the ink receiving particles remaining on the intermediate transfer member after the transfer of the ink receiving particles by the transfer unit; and a cleaning aid particle supply unit that supplies cleaning aid particles.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: February 7, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Ken Hashimoto
  • Patent number: 8087770
    Abstract: An image forming apparatus includes a supply unit that supplies liquid recipient particles to receive liquid; a conveyance unit that conveys the liquid recipient particles supplied by the supply unit; a discharge unit that discharges liquid droplets to the liquid recipient particles conveyed by the conveyance unit; a humidity reducing unit that reduces relative humidity inside or around the supply unit; and a humidity increasing unit, on a downstream side of the supply unit, that increases relative humidity around at least one of the liquid recipient particles conveyed by the conveyance unit and the discharge unit.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: January 3, 2012
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masashi Hiratsuka, Ken Hashimoto
  • Patent number: 8083343
    Abstract: According to an aspect of the invention and there is provided a recording material having an ink, ink absorbing particles that absorb the ink, and a curable liquid that cures the substantial surface of the ink absorbing particles.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: December 27, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaya Ikuno, Satoshi Mohri, Hiroshi Ikeda, Ken Hashimoto
  • Patent number: 8066365
    Abstract: An image forming apparatus that includes: an intermediate transfer member; an ink absorbing particle supplying unit for supplying ink absorbing particles on a surface of the intermediate transfer member; an ink ejecting unit for ejecting ink to the ink absorbing particles; a transfer unit for transferring the ink absorbing particles to a recording medium; a fixing unit for fixing the transferred ink absorbing particles onto the recording medium; a particle collecting unit for collecting remaining ink absorbing particles on the intermediate transfer member; a humidity reducing unit for reducing humidity around the collected ink absorbing particles; and a particle supplying unit for supplying the ink absorbing particles with humidity reduced by the humidity reducing unit.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: November 29, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiko Sekimoto, Ken Hashimoto, Hiroshi Ikeda
  • Patent number: 8029123
    Abstract: A material set for recording includes: ink receiving particles that include a resin having an acid value of from about 50 mg KOH/g to about 750 mg KOH/g, and have a neutralization degree of from more than 0 to less than 1; and an ink that includes at least a colorant, a water-soluble solvent, and water, a value obtained by multiplying an electrical conductivity ? (S/m) of the ink by a viscosity ? (mPa·s) of the ink being from about 0.02 to about 5.0.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: October 4, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaya Ikuno, Takatsugu Doi, Ken Hashimoto
  • Patent number: 7992990
    Abstract: The invention provides a recording apparatus comprising: an intermediate transfer body; a supplying unit supplying a curable solution containing a resin that is curable by external stimulation on the intermediate transfer body; an ejecting unit containing a recording material onto a layer to be cured formed by the curable solution supplied on the intermediate transfer body; a transferring unit transferring the layer to be cured on which the ink has been ejected to a recording medium from the intermediate transfer body; and a stimulation supplying unit supplying stimulation that cures the layer to be cured that has been transferred onto the recording medium.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: August 9, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Ken Hashimoto
  • Patent number: 7919156
    Abstract: Disclosed is a material set for recording, including: an ink including a recording material, an organic solvent, and water; and ink receiving particles including an organic resin including hydrophilic monomer components and one or more hydrophobic monomer components, the hydrophilic monomer components including a monomer component having a hydroxyl group and a monomer component having a dissociable group, an absolute value of a difference between a solubility parameter (SP value) of the organic solvent included in the ink and a solubility parameter (SP value) of monomer components included in the organic resin, other than the monomer component having a dissociable group, being less than 5.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: April 5, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Ken Hashimoto
  • Patent number: 7909452
    Abstract: A recording apparatus includes an intermediate transfer member, a supply unit that supplies onto the intermediate transfer member a curable solution containing a cationic curable material that is cured by a cationic curing reaction upon application of an external stimulus, a discharge unit that discharges an ink containing a recording substance to a layer to be cured that has been formed by the curable solution supplied onto the intermediate transfer member, a transfer unit that transfers, from the intermediate transfer member to a recording medium, the layer to be cured to which the ink is discharged, and a stimulus supply unit that supplies a stimulus that cures the layer to be cured.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: March 22, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Ken Hashimoto
  • Patent number: 7887177
    Abstract: A recording apparatus comprises: an intermediate transfer body; a releasing agent supply device that supplies a releasing agent onto the intermediate transfer body; a particle supply device that supplies hydrophilic ink-recipient particles that receive an ink, onto the releasing agent supplied onto the intermediate transfer body; an ink ejection device that ejects the ink onto the ink-recipient particles supplied onto the intermediate transfer body; and a transfer device that transfers the ink-recipient particles that received the ink, onto a recording medium from the intermediate transfer body, the releasing agent comprising at least one selected from the group consisting of a silicone oil, a fluorinated oil and an organic compound having a solubility parameter (SP value) of about 11 or less.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: February 15, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Masaya Ikuno, Ken Hashimoto
  • Publication number: 20110032315
    Abstract: Ink absorbing particle to absorb an ink includes a polymer. The ink absorbing particles in a TMA needle penetration have a minimum temperature Ts10b of from about 80° C. to about 150° C. at which a needle enters to a depth of 10 ?m, a minimum temperature Ts100w of about 40° C. or lower at which a needle enters to a depth of 100 ?m when an equivalent amount of water is absorbed, and a minimum temperature Ts400w of about 50° C. or higher at which a needle enters to a depth of 400 ?m when an equivalent amount of water is absorbed.
    Type: Application
    Filed: October 21, 2010
    Publication date: February 10, 2011
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Masaya Ikuno, Ken Hashimoto
  • Patent number: 7879416
    Abstract: The present invention provides ink receptive particles, for receiving an ink containing a recording material, the ink receptive particles comprising trap structures for trapping at least a liquid component of the ink, and a liquid absorbing resin. Using the ink receptive particles, the invention also provides a marking materials system, an ink receiving method, a recording method, a recording apparatus, and an ink receptive particle storage cartridge.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: February 1, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Ken Hashimoto, Takatsugu Doi, Takeshi Mikami
  • Patent number: 7875689
    Abstract: An ink receptive particle comprising an organic resin that is formed by a hydrophilic monomer component and a hydrophobic monomer component, wherein hydrophilic groups in the organic resin include a hydrophilic group having a salt structure and a hydrophilic group not having a salt structure.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: January 25, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaya Ikuno, Takatsugu Doi, Ken Hashimoto
  • Patent number: 7868064
    Abstract: Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: January 11, 2011
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takatsugu Doi, Masaya Ikuno, Ken Hashimoto