Patents by Inventor Shoji Yamaguchi
Shoji Yamaguchi 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: 7820307Abstract: A recording paper having a magnetic material-containing layer, that includes a magnetic material that generates a large Barkhausen effect and a filler, and is disposed between pulp layers containing a pulp.Type: GrantFiled: February 29, 2008Date of Patent: October 26, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Eizo Kurihara, Tsukasa Matsuda, Mario Fuse, Shoji Yamaguchi, Kunihiro Takahashi
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Patent number: 7816002Abstract: A recording paper contains a pulp fiber and a magnetic fiber having a large Barkhausen effect. The fiber orientation ratio of this recording paper by an ultrasonic propagation velocity method is in a range of more than 1.3 to less than 1.8, and the degree of shrinkage in an MD thereof is 0.25% or less.Type: GrantFiled: November 13, 2007Date of Patent: October 19, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Tsukasa Matsuda, Eizo Kurihara, Mario Fuse, Shoji Yamaguchi, Kunihiro Takahashi, Tomofumi Tokiyoshi
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Patent number: 7805104Abstract: An information reading device for reading identification information from a medium to which at least one magnetic element for generating a signal upon receiving a magnetic field is provided, which includes a plurality of detecting parts that detect a signal generated from the magnetic element according to the magnetic field applied to the medium, and an information reading part that reads information formed by the magnetic element based on a combination of detecting parts which have detected the generated signal.Type: GrantFiled: November 25, 2005Date of Patent: September 28, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Shoji Yamaguchi, Yasunori Koda, Mario Fuse, Kunihiro Takahashi
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Publication number: 20100201355Abstract: An object detecting apparatus that detects an object including a magnetic body including: a detection signal acquiring unit that acquires a detection signal based on a magnetic signal; a disturbance source detection signal storage unit that stores a detection signal of a disturbance source that generates a disturbance component with respect to the detection signal; a determining unit that determines whether the detection signal acquired by the detection signal acquiring unit contains the disturbance component; an amplitude correction unit that corrects an amplitude of the disturbance source detection signal and generates an amplitude-corrected disturbance source detection signal; a disturbance component suppression unit that generates a determination signal by suppressing the disturbance component contained in the detection signal; and an object determination unit that determines whether the object is the object to be detected based on the determination signal.Type: ApplicationFiled: September 11, 2009Publication date: August 12, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Shoji YAMAGUCHI, Mario FUSE, Tsukasa MATSUDA, Kunihiro TAKAHASHI, Hiroyoshi INOUE, Eizo KURIHARA, Seigo MAKIDA
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Patent number: 7726796Abstract: A magnetic wire application apparatus includes: an image forming unit that forms an image on a drum using a solid ink; a magnetic wire application unit that applies a magnetic wire on the image formed on the drum by the image forming unit using the solid ink; and an image transfer unit that transfers the image, which is formed by the image forming unit on the drum by the solid ink and applied with the magnetic wire by the magnetic wire application unit, to a printing paper.Type: GrantFiled: July 7, 2005Date of Patent: June 1, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Kunihiro Takahashi, Mario Fuse, Shoji Yamaguchi, Tetsuya Kimura
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Publication number: 20100116722Abstract: a flat detector includes a first flat member and a second flat member both made of a nonmagnetic nonmetal, a first conductive wiring that generates an alternating magnetic field, the first conductive wing being disposed on a surface of the first flat member facing toward the second flat member, a first layer made of a nonmagnetic metal and disposed at least on a surface of the first flat member, a second conductive wiring that detects a signal generated by magnetization reversal of a magnetic material, the magnetization reversal being caused by the alternating magnetic field generated by the first conductive wiring, the second conductive wiring being disposed on a surface of the second flat member facing toward the first flat member, and a second layer made of a nonmagnetic metal and disposed at least on a surface of the second flat member.Type: ApplicationFiled: May 1, 2009Publication date: May 13, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Eizo KURIHARA, Tsukasa MATSUDA, Kunihiro TAKAHASHI, Hiroyoshi INOUE, Mario FUSE, Shoji YAMAGUCHI
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Publication number: 20100117349Abstract: A label sheet, includes: a label base material; a release liner; an adhesive layer which is formed between the label base material and the release liner; and wires that are disposed between the label base material and the release liner so as to be respectively placed on lines coupling at least one of two pairs of opposed sides of the label base material in a manner that both ends of each of the wires respectively locate at positions away from the corresponding sides coupled by each of the lines by 0.2 mm or more.Type: ApplicationFiled: May 19, 2009Publication date: May 13, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Dmitry IVUTIN, Tsukasa MATSUDA, Eizo KURIHARA, Mario FUSE, Kunihiro TAKAHASHI, Shoji YAMAGUCHI
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Patent number: 7714085Abstract: An anionic polymerizable monomer is added to a reaction system in which an anion species which is incapable of initiating polymerization but may react with polymerization inhibiting substances to convert them into compounds that do not inhibit polymerization is present, and then an anion species capable of initiating polymerization is added thereto. It becomes possible to produce high molecular weight polymers and to precisely control the molecular weight thereof even if polymerization inhibiting substances are present in the system or when polymerization inhibiting substances enter from outside.Type: GrantFiled: June 8, 2005Date of Patent: May 11, 2010Assignee: Nippon Soda Co., Ltd.Inventors: Eiji Takahashi, Shoji Yamaguchi
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Patent number: 7686230Abstract: A medium comprises a magnetic body which generates a signal when a magnetic field is applied thereto, wherein the magnetic body has two or more easy magnetization directions and the magnetic body forms information that identifies the medium based on the signal generated when the magnetic field is applied to the magnetic body.Type: GrantFiled: February 28, 2005Date of Patent: March 30, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Shoji Yamaguchi, Mario Fuse, Kunihiro Takahashi
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Patent number: 7638209Abstract: An aspect of the present invention provides a recording medium including a matrix material and a magnetic material, wherein the contrast density of the surface is about 0.05 or less.Type: GrantFiled: March 29, 2006Date of Patent: December 29, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Yasunori Koda, Mario Fuse, Kunihiro Takahashi, Shoji Yamaguchi
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Publication number: 20090266902Abstract: A medium comprises a magnetic body which generates a signal when a magnetic field is applied thereto, wherein the magnetic body has two or more easy magnetization directions and the magnetic body forms information that identifies the medium based on the signal generated when the magnetic field is applied to the magnetic body.Type: ApplicationFiled: July 6, 2009Publication date: October 29, 2009Applicant: Fuji Xerox Co., Ltd.Inventors: Shoji Yamaguchi, Mario Fuse, Kunihiro Takahashi
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Patent number: 7604179Abstract: A scanned medium including: a sheet substrate; and a line-shaped magnetic body formed inside the sheet substrate, wherein the magnetic properties of the magnetic body are detected inside a magnetic field formed by a scanning apparatus, and the magnetic body has at least a portion thereof formed so as to have the same directional component as that of the magnetic field, regardless of the direction in which the sheet substrate is positioned.Type: GrantFiled: March 28, 2006Date of Patent: October 20, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Yasunori Koda, Shoji Yamaguchi, Kunihiro Takahashi, Mario Fuse
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Publication number: 20090253867Abstract: It is to provide a block copolymer that can form a microphase separation structure even with a small molecular size, and that can form a microphase separation structure with a small domain size. It is a block copolymer represented by the formula A-C-B (wherein A represents a segment which is a homopolymer or random or block copolymer consisting of at least 1 kind or repeat units represented by formula (II); B represents a segment which is a homopolymer, or random or block copolymer consisting of at least 1 kind of repeat units represented by formula (III); C represents A, B or A-B; however, at least 1 segment of each A has a water-repellent group, or at least 1 segment of each B has a polar group); which block copolymer has a mass average molecular weight of 50,000 or less, and that can form a microphase separation structure.Type: ApplicationFiled: May 16, 2007Publication date: October 8, 2009Applicant: NIPPON SODA CO., LTD.Inventors: Eiji Takahashi, Shoji Yamaguchi
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Publication number: 20090135443Abstract: An image forming apparatus includes an image reading unit that reads an image formed on a recording medium; a copy-prohibited medium detecting unit that detects whether a recording medium is a copy-prohibited medium; and a controller that controls to disable or inhibit copying of an image formed on a recording medium, when it is detected by the copy-prohibited medium detecting unit that the recording medium is the copy-prohibited medium, before the image on the recording medium is read by the image reading unit.Type: ApplicationFiled: November 24, 2008Publication date: May 28, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Kunihiro TAKAHASHI, Mario FUSE, Tsukasa MATSUDA, Eizo KURIHARA, Shoji YAMAGUCHI, Hiroyoshi INOUE, Yasunori KODA, Ivutin DMITRY
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Publication number: 20090072979Abstract: A baggage management gate includes a first reading device and a second reading device, a detecting device, a determining unit, a first opening and closing device and a second opening and closing device. The baggage management gate manages baggage that is restricted to be carried in or out from a predetermined region. And in order away from the region in which the baggage is managed, the first reading device, the second opening and closing device, the detecting device for both the first person and the second person, the first opening and closing device, and the second reading device are arranged in an entrance direction from the passage to the management region in which the baggage is managed.Type: ApplicationFiled: March 17, 2008Publication date: March 19, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Shoji Yamaguchi, Mario Fuse, Yasunori Koda, Kunihiro Takahashi, Hiroyoshi Inoue, Tsukasa Matsuda
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Publication number: 20090072969Abstract: A baggage management gate including an exciting coil, a detecting coil and signal processing unit. The exciting coil forms an alternating magnetic field in a passage to an area from which manages objects to be carried in or carried out. The detecting coil detects a variation in the alternating magnetic field when magnetization of a magnetic material showing a large Barkhausen effect is reversed in the alternating magnetic field. The signal processing unit determines as to whether the magnetization reversal occurs in the alternating magnetic field due to the large Barkhausen effect or not, based on a signal detected by the detecting coil. The signal processing unit includes amplifier that amplifies the signal detected by the detecting coil with plural different amplification factors and output the amplified signals with each of the plural different amplification factors.Type: ApplicationFiled: March 10, 2008Publication date: March 19, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Shoji Yamaguchi, Yasunori Koda, Kunihiro Takahashi, Mario Fuse, Hiroyoshi Inoue, Tsukasa Matsuda
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Publication number: 20090072821Abstract: A control gate includes an exciting coil and a detecting coil. The exciting coil forms an alternating magnetic field in a passageway at an entrance to or an exit from an area where taking out or bringing in of an object is controlled. The detecting coil detects a change of the magnetic field when magnetic substance contained in the object generating a large Barkhausen effect causes magnetic inversion in the alternating magnetic field. The exciting coil is provided above the passageway and has a winding wire wound along a horizontal plane. The detecting coil is provided in a side part of the passageway and has a winding wire wound along a vertical plane which is parallel to a passing direction of the passageway.Type: ApplicationFiled: August 15, 2008Publication date: March 19, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Kunihiro TAKAHASHI, Mario FUSE, Tsukasa MATSUDA, Shoji YAMAGUCHI, Yasunori KODA, Hiroyoshi INOUE
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Patent number: 7504946Abstract: A magnetic material sensing device which senses a magnetic material by detecting a signal which the magnetic material emits when an alternating magnetic field is applied, the magnetic material sensing device includes: an exciting coil which applies the alternating magnetic field; a receiving coil which receives a first signal which is generated due to the alternating magnetic field; a noise signal removing part that removes, from the first signal, a noise signal of an object which reflects the alternating magnetic field; and a detecting part that detects, from the noise signal-removed signal, the signal emitted from the magnetic material.Type: GrantFiled: December 7, 2005Date of Patent: March 17, 2009Assignee: Fuji Xerox Co., Ltd.Inventors: Kunihiro Takahashi, Mario Fuse, Shoji Yamaguchi
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Publication number: 20090026261Abstract: A control gate includes a first exciting coil, a first detection coil, a second exciting coil, a second detection coil, a signal determination unit and an amplification factor setting unit. The first exciting coil forms a first alternating magnetic field in a passage. The first detection coil detects a variation in the first alternating magnetic field. The second exciting coil forms a second alternating magnetic field in the passage. The second detection coil that detects a variation in the second magnetic field. The signal determination unit includes a first amplifier which (i) amplifies a first detection signal of the first detection coil and (ii) determines a passage of the magnetic material based on the amplified first detection signal. The amplification factor setting unit sets a first amplification factor for the first amplifier based on a second detection signal of the second detection coil.Type: ApplicationFiled: July 24, 2008Publication date: January 29, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Hiroyoshi INOUE, Shoji YAMAGUCHI, Yasunori KODA, Kunihiro TAKAHASHI, Mario FUSE, Tsukasa MATSUDA
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Publication number: 20090017334Abstract: A recording paper having a magnetic material-containing layer, that includes a magnetic material that generates a large Barkhausen effect and a filler, and is disposed between pulp layers containing a pulp.Type: ApplicationFiled: February 29, 2008Publication date: January 15, 2009Applicant: FUJI XEROX CO., LTD.Inventors: Eizo KURIHARA, Tsukasa MATSUDA, Mario FUSE, Shoji YAMAGUCHI, Kunihiro TAKAHASHI