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).

  • Publication number: 20070146396
    Abstract: A controller for a liquid drop ejecting device including a first head with plural first liquid drop ejectors, and a second head with plural second liquid drop ejectors, is provided. The controller includes: a scanning controlling section scanning at least the first head plural times a same region of a recording medium; and an ejection controlling section controlling the first and second head such that a proportion of an applied amount, per unit surface area, of the second liquid drops with respect to an applied amount, per unit surface area, of the first liquid drops in a first scan, is within a range of 0 to a first value, and the proportion in scans from a second scan on is within a range of a second value to 1, and the proportion in the first scan is smaller than the proportion in the scans from the second scan on.
    Type: Application
    Filed: June 5, 2006
    Publication date: June 28, 2007
    Inventors: Kunichi Yamashita, Ken Hashimoto
  • Patent number: 7235126
    Abstract: An ink jet recording ink is provided containing water, a pigment that is self-dispersible in water, a water-soluble organic solvent, and a nonionic polymer of which the amount is preferably in a range of about 5% by mass to about 200% by mass relative to the total mass of the pigments. The nonionic polymer is preferably selected from a group consisting of polyvinyl alcohol, polyvinyl pyrrolidone, polyacrylamide, poly N-vinyl acetamide, and the like. The absolute value of zeta potential of the ink is preferably in the range of about 5 mV to about 30 mV.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: June 26, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Mihoko Tani, Toshitake Yui, Ken Hashimoto
  • Patent number: 7185354
    Abstract: The system of the present invention analyzes the content of digital broadcasting, generates an operational procedure for selecting selection items that can be controlled by a remote control, etc., in a prescribed order and instructs a browser to do perform selection operations at specific intervals according to the operational procedure. The browser automatically displays each page of the content at specific intervals according to the instruction, and a user confirms the displayed information.
    Type: Grant
    Filed: January 24, 2001
    Date of Patent: February 27, 2007
    Assignee: Fujitsu Limited
    Inventor: Ken Hashimoto
  • Patent number: 7172275
    Abstract: The present invention provides an ink set for ink jet recording comprising: an ink which contains: water; a colorant; a water-soluble organic solvent; polyvalent metal ions; and compound (A) which is intrinsically capable of substantially inactivating the polyvalent metal ions, and a liquid composition is of a pH in which the polyvalent metal ions in the ink can be substantially activated. The pH of the ink is within a range in which compound (A) keeps the polyvalent metal ions substantially in an inactive state. The invention also provides an ink jet recording method which uses such an ink set.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: February 6, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Eisuke Hiraoka, Toshitake Yui, Ken Hashimoto
  • Publication number: 20060293410
    Abstract: An ink set for an inkjet of the present invention comprises an ink and a processing liquid, wherein at least one of the ink and the processing liquid contains a water-soluble non-linear polymer. The non-linear polymer has at least one selected from the group consisting of a branched structure, a cross linking structure and a mesh structure in a molecule.
    Type: Application
    Filed: November 7, 2005
    Publication date: December 28, 2006
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshimi Tokita, Ken Hashimoto
  • Publication number: 20060284951
    Abstract: The invention presents a pattern forming apparatus including: an intermediate transfer body; a particle supply unit, for forming a liquid receptive particle layer of a specified layer thickness by supplying liquid receptive particles, capable of receiving a recording liquid containing recording material and also capable of trapping the recording material at the surface thereof, onto the intermediate transfer body; a liquid droplet ejection unit for ejecting liquid droplets of the recording liquid on the liquid receptive particle layer on the basis of specified data, and forming a pattern of the recording material near the surface of the liquid receptive particle layer; and a transferring unit, for transferring the liquid receptive particle layer containing the recording liquid onto a transfer object, so that the pattern is placed between the transfer object (recording medium) and the liquid receptive particle layer.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 21, 2006
    Inventors: Hiroshi Ikeda, Ken Hashimoto, Masahiko Fujii, Jun Isozaki, Koichi Saitoh, Naosuke Ino
  • Publication number: 20060286315
    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: Application
    Filed: May 26, 2006
    Publication date: December 21, 2006
    Inventors: Ken Hashimoto, Takatsugu Doi, Takeshi Mikami
  • Publication number: 20060283798
    Abstract: A method of purifying a pigment dispersion including: bringing an unpurified pigment dispersion containing a pigment and impurities into liquid-liquid interfacial contact with an extracting liquid in a microspace, and extracting and removing the impurities in the unpurified pigment dispersion into the extracting liquid to obtain a purified pigment dispersion. Further, an apparatus for purifying a pigment dispersion, a pigment dispersion and an ink set using the same, and a droplet-ejecting apparatus and an inkjet-recording ink tank using ink prepared by employing the pigment dispersion are provided.
    Type: Application
    Filed: February 8, 2006
    Publication date: December 21, 2006
    Inventors: Hiroyuki Ueki, Ken Hashimoto
  • Publication number: 20060259240
    Abstract: A position information management system in which a portable remote terminal includes a plurality of kinds of positioning means for positioning based on a GPS, positioning based on a portable-telephone or PHS base station, positioning based on a radio marker, and independent positioning based on a direction detector, so that the holder of the portable remote terminal can be navigated anywhere. The holder of the portable remote terminal can know the position of a third party similarly holding such a portable remote terminal, by inquiring of a central system, and he/she can supervise, for example, the action of an old person, a child, or a skier in a skiing area. Further, only the map data of a district which is often used by the holder is stored in the portable remote terminal. In this regard, when the holder is in a district not contained within the retained map data, he/she downloads corresponding map data from the central system and uses the downloaded map data.
    Type: Application
    Filed: June 30, 2006
    Publication date: November 16, 2006
    Applicant: Fujitsu Limited
    Inventor: Ken Hashimoto
  • Publication number: 20060110548
    Abstract: The invention provides a liquid crystal display device in which incorporation of an organic compound into liquid crystal due to a display defect can be reduced to a great extent. In the liquid crystal display device, a film containing a hydrocarbon represented by the formula CnH2n+2, in which n is from 5 to 30, is formed on a face, which comes in contact with the liquid crystal, of each of a pair of substrates which are arranged in a manner of facing each other via the liquid crystal.
    Type: Application
    Filed: November 22, 2005
    Publication date: May 25, 2006
    Inventors: Noboru Ooki, Ken Hashimoto, Miyuki Kunimatsu, Noriyuki Okabe
  • Publication number: 20060066661
    Abstract: The present invention provides an ink jet recording method and an ink jet recording apparatus for recording an image on a recording medium by using an ink containing a coloring agent and a liquid composition containing a component for coagulating and/or thickening the ink. The method is characterized in that the ink and the liquid composition are ejected onto the recording medium such that they are not in contact with each other on the recording medium immediately after the ejection and come into contact when a certain period of time has lapsed since the application.
    Type: Application
    Filed: February 9, 2005
    Publication date: March 30, 2006
    Inventors: Kunichi Yamashita, Ken Hashimoto
  • Patent number: 7018452
    Abstract: An ink set for ink jet recording including plural color inks including a black ink, the ink set including water, a water-soluble organic solvent and colorants. At least one of the color inks having a hue other than black is a specified color ink containing a compound for coagulating a colorant contained in the black ink, at least one of other color inks has a function for improving coagulability between the colorant contained in the black ink and the compound contained in the specified color ink, and the drying time of the black ink on a plain paper sheet is less than 5 seconds.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: March 28, 2006
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshiro Yamashita, Kyoko Horii, Nobuyuki Ichizawa, Atsushi Suzuki, Ken Hashimoto
  • Publication number: 20060061620
    Abstract: An ink jet recording apparatus is provided with a recording head that ejects ink droplets, an ink tank that supplies ink to the recording head, a waste ink recovering mechanism that recovers ink droplets ejected from the recording head as waste ink, a waste-ink tank, which is connected to the waste-ink recovering mechanism and stores the waste ink, a diluent tank which is communicated with the waste-ink tank and accommodates a diluent that dilutes the waste ink, and at least one of diluent supplier, that is, one of a first diluent supplier which supplies the diluent in the diluent tank to the waste-ink tank to make the conductivity of the waste ink in the waste-ink tank substantially the same as the conductivity of the ink stored in the ink tank and a second diluent supplier which supplies the diluent in the diluent tank to the waste-ink tank to make the specific gravity of the waste ink in the waste-ink tank substantially the same as the specific gravity of the ink stored in the ink tank.
    Type: Application
    Filed: February 23, 2005
    Publication date: March 23, 2006
    Inventors: Mihoko Tani, Takatsugu Doi, Eisuke Hiraoka, Ken Hashimoto
  • Publication number: 20060061641
    Abstract: The present invention relates to an inkjet printing method comprising forming an image by ejecting an ink comprising at least a colorant and a solvent to a surface of a recording body, and dispersing a resin powder to the surface of the recording body, wherein the resin powder has a particle size of approximately not less than 0.1 ?m to not more than 10 ?m and a weight average molecular weight of approximately not less than 8,000 to not more than 300,000 and comprises a monomer comprising a polar group having a salt structure, and to an image forming apparatus using the method.
    Type: Application
    Filed: February 11, 2005
    Publication date: March 23, 2006
    Inventors: Hiroyuki Ueki, Ken Hashimoto
  • Publication number: 20060055757
    Abstract: An ink jet recording apparatus which includes a recording head, and forms an image by ejecting printing liquid including a volatile organic compound (VOC) from the recording head onto a recording medium, wherein the ink jet recording apparatus includes a volatile organic compound decomposer for decomposing the volatile organic compound.
    Type: Application
    Filed: February 4, 2005
    Publication date: March 16, 2006
    Inventors: Yoshiro Yamashita, Ken Hashimoto
  • Patent number: 6999779
    Abstract: A position information management system in which a portable remote terminal includes a plurality of kinds of positioning means for positioning based on a GPS, positioning based on a portable-telephone or PHS base station, positioning based on a radio marker, and independent positioning based on a direction detector, so that the holder of the portable remote terminal can be navigated anywhere. The holder of the portable remote terminal can know the position of a third party similarly holding such a portable remote terminal, by inquiring of a central system, and he/she can supervise, for example, the action of an old person, a child, or a skier in a skiing area. Further, only the map data of a district which is often used by the holder is stored in the portable remote terminal. In this regard, when the holder is in a district not contained within the retained map data, he/she downloads corresponding map data from the central system and uses the downloaded map data.
    Type: Grant
    Filed: July 29, 1997
    Date of Patent: February 14, 2006
    Assignee: Fujitsu Limited
    Inventor: Ken Hashimoto
  • Publication number: 20060030334
    Abstract: A position information management system in which a portable remote terminal includes a plurality of kinds of positioning means for positioning based on a GPS, positioning based on a portable-telephone or PHS base station, positioning based on a radio marker, and independent positioning based on a direction detector, so that the holder of the portable remote terminal can be navigated anywhere. The holder of the portable remote terminal can know the position of a third party similarly holding such a portable remote terminal, by inquiring of a central system, and he/she can supervise, for example, the action of an old person, a child, or a skier in a skiing area. Further, only the map data of a district which is often used by the holder is stored in the portable remote terminal. In this regard, when the holder is in a district not contained within the retained map data, he/she downloads corresponding map data from the central system and uses the downloaded map data.
    Type: Application
    Filed: October 6, 2005
    Publication date: February 9, 2006
    Applicant: Fujitsu Limited
    Inventor: Ken Hashimoto
  • Publication number: 20050212884
    Abstract: An ink jet recording device including a recording head for depositing ink on a recording medium and a liquid absorbing device for absorbing excess liquid of the ink remaining on the recording medium after the depositing of the ink on the recording medium using the recording head, wherein the liquid absorbing device includes an absorber including a hydrophilic surface which contacts the excess liquid, and the hydrophilic surface has a residual fine particle ratio of not less than about 90%, the residual fine particle ratio being a ratio of fine particles remaining on the hydrophilic surface when fine particles having an average particle size of 5 ?m are filtered by the hydrophilic surface.
    Type: Application
    Filed: October 4, 2004
    Publication date: September 29, 2005
    Inventors: Hiroyuki Ueki, Ken Hashimoto
  • Publication number: 20050206702
    Abstract: An ink jet recording method utilizing an ink set for ink jet recording which includes at least two types of liquids including an ink that contains at least a colorant, and a liquid composition that contains at least a component for aggregating and/or thickening the ink. The relation represented by the following formula (1) is satisfied: b2/a2<b1/a1 ??Formula (1) wherein a1 and b1 represent the respective amounts of the ink and the liquid composition applied per unit area, when the ink is applied to the recording material before the liquid composition is applied; a2 and b2 represent the respective amounts of the ink and the liquid composition applied per unit area, when the liquid composition is applied to the recording material before the ink is applied; and a1 and b1 satisfy the relation a1>b1 and a2 and b2 satisfy the relation a2>b2.
    Type: Application
    Filed: September 17, 2004
    Publication date: September 22, 2005
    Inventors: Kunichi Yamashita, Ken Hashimoto
  • Patent number: 6915045
    Abstract: The present invention relates to an optical waveguide type grating element and others in structure for decreasing absolute values of chromatic dispersion occurring in selective reflection of each of signal channels in a reflection band. The optical waveguide type grating element is provided with an optical waveguide in which signal light containing a plurality of signal channels spaced at a channel spacing ?i propagates, and a grating which is an index modulation formed over a predetermined range of the optical waveguide. Particularly, the optical waveguide type grating element has a transmittance of ?20 dB or less for each of the signal channels in the reflection band, and has a reflectance of ?20 dB or less for each of signal channels outside the reflection band. Furthermore, a deviation of a group delay time of each of the signal channels in the reflection band, which is caused by reflection in the grating, is 10 ps or less in a wavelength range of (?CH??i×0.375/2) or more but (?CH+?i×0.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: July 5, 2005
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Ken Hashimoto, Manabu Shiozaki, Toshikazu Shibata, Akira Inoue