Patents by Inventor Yoichi Nakamura
Yoichi Nakamura 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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Publication number: 20120003574Abstract: A positive-charging electrophotography photoreceptor includes a laminated structure having a conductive supporting member, a charge transport layer formed of at least a hole transport material and a first binder resin, and a charge generation layer formed of at least a charge generation material, hole transport material, electron transport material, and second binder resin. The charge transport layer is disposed between the conductive supporting member and the charge generation layer. The content of the charge generation material in the charge generation layer is in a range exceeding 0.7 wt % and less than 3.0 wt % of the charge generation layer.Type: ApplicationFiled: February 17, 2009Publication date: January 5, 2012Applicant: FUJI ELECTRIC SYSTEMS CO., LTD.Inventors: Seizo Kitagawa, Yoichi Nakamura, Hiroshi Emori, Yasushi Tanaka, Hiroyuki Ichiyanagi
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Patent number: 8086411Abstract: A system for providing animal test information is disclosed that comprises: test devices; and a central device communicably connected to the test devices, wherein each of the terminal test devices comprises: an input receiving section for receiving input of attribution information of a sample; a measurement section for measuring the sample and acquiring a measurement result; an information transmitting section for transmitting a data set of the attribution information and the measurement result to the central device, wherein the central device comprises: an information receiving section for receiving the data set; a data storage for storing a plurality of the data set; a standard value calculation section for calculating a standard value to be used for determining a treatment of an animal, based on a plurality of the measurement result included in a plurality of the data set which have common attribution information.Type: GrantFiled: December 11, 2008Date of Patent: December 27, 2011Assignee: Sysmex CorporationInventors: Takashi Yoshida, Yoichi Nakamura
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Publication number: 20110244381Abstract: Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g.Type: ApplicationFiled: December 14, 2009Publication date: October 6, 2011Applicant: FUJI ELECTRIC SYSTEMS CO., LTD.Inventors: Shinjirou Suzuki, Yoichi Nakamura, Ikuo Takaki, Seizo Kitagawa, Kazuki Nebashi
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Patent number: 8011422Abstract: To provide an EGR cooler which has a small number of parts and achieves compact design with low cost. A plurality of flat tubes, each having a bottom to close an end thereof, is arranged in parallel. An opening of each of the flat tubes penetrates through a tube plate. Corrugated fins are placed in each of the flat tubes, thus forming a core. A casing encloses the outer circumferential surface of the core. The tube plate closes the opening of a tank body equipped with a partition. The edge of the partition is placed at an intermediate position in the width direction of the opening of the flat tube.Type: GrantFiled: September 19, 2007Date of Patent: September 6, 2011Assignee: T.RAD Co., Ltd.Inventors: Toru Yamazaki, Yoichi Nakamura, Noriyuki Ishii, Toshikatsu Hachiya
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Publication number: 20110200237Abstract: A pattern matching device 1 includes an image obtaining unit 101 that obtains an image of a subject containing plural types of biometric patterns. Further, the pattern matching device 1 includes a separation-and-extraction unit 102 that separates and extracts the plural types of biometric patterns from the image. Yet further, the pattern matching device 1 includes a matching unit 103 that matches the separated and extracted plural types of biometric patterns against pre-registered biological information for matching, thereby to derive plural matching results.Type: ApplicationFiled: October 13, 2009Publication date: August 18, 2011Applicant: NEC CORPORATIONInventors: Yoichi Nakamura, Toshio Kamei
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Publication number: 20110201659Abstract: The present invention relates to a pharmaceutical composition and method for preventing or treating a zoster-associated pain. The inventors found that an N-{2-[(4-substituted phenyl)amino]-2-oxoethyl}tetrahydro-2H-thiopyran-4-carboxamide compound useful as a varicella-zoster virus (VZV) unexpectedly has the effect to prevent an irreversible nerve degeneration accompanied by herpes virus infection, and therefore is also useful as an agent for preventing or treating zoster-associated pain, and thus accomplished the present invention.Type: ApplicationFiled: October 19, 2009Publication date: August 18, 2011Applicant: ASTELLAS PHARMA INC.Inventors: Hiroshi Suzuki, Koji Chono, Takahisa Noto, Kiyomitsu Katsumata, Yoichi Nakamura
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Publication number: 20110194776Abstract: Provided are a collating device, a processing method and a collation program, in which a reference line is extracted from an image and each partial image is moved in a manner that the reference line becomes a predetermined one thereby to correct the image, and in which the corrected image is collated so that an authentication result can be obtained for a short time period without any rotating operation. At first, a reference line extracting unit extracts the center line or the contour line of the image as the reference line. Next, an image correcting unit moves each partial image in parallel thereby to correct the image so that the reference line obtained by the reference line extracting unit becomes a predetermined one. Moreover, an image collating unit collates the image corrected by the image correcting unit and a predetermined image to acquire an authentication result.Type: ApplicationFiled: October 9, 2009Publication date: August 11, 2011Applicant: NEC CORPORATIONInventors: Yoichi Nakamura, Toshio Kamei
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Publication number: 20110189603Abstract: Electrophotographic photoconductor including a conductive substrate; and a photosensitive layer provided on the conductive substrate and including at least a charge generation material; a charge transport material; and a resin binder including a copolymer polyarylate resin represented by general formula (I) below: and manufacturing method therefore. Good images with less cracking occurrence are obtained during recycling of a photosensitive drum and peripheral members thereof that includes the electrophotographic photoconductor, and also when a liquid development process is employed.Type: ApplicationFiled: April 2, 2009Publication date: August 4, 2011Applicant: FUJI ELECTRIC SYSTEMS CO., LTD.Inventors: Ikuo Takaki, Yoichi Nakamura, Seizo Kitagawa, Kazuki Nebashi, Fengqiang Zhu
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Publication number: 20110183246Abstract: An ethylene compound having general formula (I) below: wherein R1, R2 and R3 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 6 carbons or an alkoxyl group of 1 to 6 carbons; R4 is an alkyl group of 1 to 3 carbons, phenyl or tolyl; and Ar is an aryl group of 7 to 20 carbons or a heterocyclic group, functions as a charge transport material in an electrophotographic photoreceptor. This compound suppresses photodeterioration, causes little light-induced fatigue, can prevent a rise in the residual potential associated with such light-induced fatigue, has stable properties as an electrophotographic photoreceptor even when used for an extended period of time, and is able to stably provide a satisfactory image.Type: ApplicationFiled: July 9, 2009Publication date: July 28, 2011Applicant: FUJI ELECTRIC SYSTEMS CO., LTDInventors: Fengqiang Zhu, Yoichi Nakamura, Ikuo Takaki, Seizo Kitagawa, Shinjirou Suzuki
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Patent number: 7931862Abstract: A sample rack transport apparatus for transporting a sample rack holding a container containing a sample is provided with a rack transport mechanism for transporting sample racks, and a control unit for controlling the operation of the transport mechanism. The transport mechanism has actuators, and the samples rack is transported by the operation of these actuators. The control unit is accommodated in a control box. The transport mechanism and control box are supported in a case. The control box is provided below the transport mechanism, and is configured so as to be slidably transferred into and from the case.Type: GrantFiled: January 31, 2006Date of Patent: April 26, 2011Assignee: Sysmex CorporationInventors: Akio Toyoda, Hiroki Koike, Yoichi Nakamura
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Publication number: 20110091799Abstract: In an electrophotographic photoreceptor having a photosensitive layer on an electroconductive substrate, the photosensitive layer is a positive-charging laminate comprising at least a charge transport layer and a charge generating layer laminated in that order, with the charge generating layer containing at least a resin binder, a charge generating agent, a space filler and an electron transport agent, while the charge transport layer contains at least, as a resin binder, polystyrene and a hole transport agent, and mineral oil of the charge transport layer is in an amount of 1% by mass or less of an amount of polystyrene. Thus, a highly durable and economic positive-charging multilayer electrophotographic photoreceptor and a manufacturing method therefor may be achieved.Type: ApplicationFiled: May 28, 2009Publication date: April 21, 2011Inventors: Yoichi Nakamura, Seizo Kitagawa, Hiroshi Emori, Yasushi Tanaka, Hiroyuki Ichiyanagi
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Publication number: 20110014095Abstract: A reagent container set is disclosed which comprises: a first reagent container for accommodating a first reagent to be used in a sample analyzer, the top part of the first reagent container having a first aspiration opening for inserting a first reagent aspirating tube to aspirate the first reagent; a waste fluid container for accommodating the first reagent used in the sample analyzer as a waste fluid, the top of the waste fluid container having a discharge opening for inserting a waste fluid discharging tube to discharge the waste fluid into the waste fluid container; a box for accommodating the first reagent container and the waste fluid container; and a container holding member for holding the first reagent container and the waste fluid container so that the first aspiration opening and the discharge opening are disposed at predetermined positions, the container holding member being maintained at a predetermined position within the box.Type: ApplicationFiled: July 16, 2010Publication date: January 20, 2011Inventors: Sachiko UEDA, Yusuke Mori, Hiroyuki Ohashi, Yuji Itose, Kinya Uchihashi, Yoichi Nakamura, Kohei Sugitani
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Publication number: 20110014687Abstract: A connection device for connecting to a plurality of fluid containers that have openings, and a sample analyzer body for analyzing samples using reagent, is disclosed, which comprises: a plurality of tubular members for passing liquid, the plurality of tubular members being inserted in the fluid containers through the openings of the plurality of fluid containers; a holding member to hold the plurality of tubular members; and a plurality of cover members to be fitted to the opening of the fluid container, wherein the plurality of cover members are arranged in a predetermined positional relationship on the holding member side of the plurality of tubular members; configured with a continuously decreasing cross sectional area toward the fluid container side; and the shape of the cross section of the cover member is substantially the same as the shape of the corresponding opening of the fluid container.Type: ApplicationFiled: July 16, 2010Publication date: January 20, 2011Inventors: Yoichi Nakamura, Kohei Sugitani, Takaaki Nagai
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Patent number: 7862968Abstract: An electrophotographic photoreceptor includes an electroconductive substrate; and at least a photosensitive layer provided on the electroconductive substrate, wherein the electrophotographic photoreceptor has an outermost layer which contains microcapsules having a lubricating oil encompassed therein. The microcapsules may be composed of an inorganic porous particle or an organic polymer material, and the lubricating oil may be a silicone oil or a fluoro oil. Such a photoreceptor has a surface with excellent lubricity and is less susceptible to surface damage and filming from toner or the like while exhibiting good reuseability of toner.Type: GrantFiled: August 26, 2005Date of Patent: January 4, 2011Assignee: Fuji Electric Systems Co., Ltd.Inventors: Tsutomu Nishina, Yoichi Nakamura
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Patent number: 7857039Abstract: In a heat exchanger used for an EGR cooler or the like, in order to provide a heat exchanger that has a small number of parts, is assembled easily, can flow cooling water evenly at each part, and does not cause partial boiling, a strip-shaped metal plate is turned up and bent in a fanfold manner, flat first flow channels 3 and second flow channels 4 are formed alternately, both the ends of the first flow channels 3 are closed with slit blocks 6, projecting stripes 3a are bent and formed at the positions of ports 11 for the cooling water 10 in proximity to the slit blocks 6, and gaps 3c are formed between respective paired projecting stripes 3a.Type: GrantFiled: December 8, 2005Date of Patent: December 28, 2010Assignee: T. Rad Co., Ltd.Inventor: Yoichi Nakamura
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Patent number: 7854255Abstract: In a heat exchanger in which the number of parts is small, assembling is easy, bonded portions between each part are fewer and reliability of brazing is improved, a core body is constituted by turning up and bending a strip-shaped metal plate in a fanfold manner, and first flow passages and second flow passages are formed alternately in the thickness direction. Both ends of each of the first flow passages are blocked by each comb tooth of a pair of comb-state members, and a fin is set within the second flow passages so as to constitute a core. And a cylindrical casing is fitted with the outer periphery of the core body, and the casing is constituted by a channel-state material covering three faces of the outer periphery of the core body and a lid material blocking an opening of the channel-state material.Type: GrantFiled: September 27, 2005Date of Patent: December 21, 2010Assignee: T. Rad Co., Ltd.Inventor: Yoichi Nakamura
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Patent number: 7819435Abstract: A rehabilitating pipe for repairing an existing pipe has pipe units that are mutually coupled in a longitudinal direction of the existing pipe. Each of the pipe units has segments that are mutually coupled in a circumferential direction of the existing pipe. Each of the segments has an inner-surface plate and an outer-wall plate extending vertically from and around an entire perimeter of the inner-surface plate. The outer-wall plate has lateral plates extending along a longitudinal direction of the inner-surface plate and end plates connected between the respective lateral plates. Connecting members couple the segments together in the circumferential direction to assemble the pipe unit. A restraining member is attached to and encircles an outer circumference of the assembled pipe unit to restrain the pipe unit.Type: GrantFiled: August 17, 2005Date of Patent: October 26, 2010Assignee: Shonan Gosei-Jushi Seisakusho K.K.Inventors: Takao Kamiyama, Koji Kaneta, Kenji Fujii, Makoto Ishida, Yoichi Nakamura
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Patent number: 7806170Abstract: In a heat exchanger having a casing in which a joint of the casing and between a core and the casing are brazed and fixed without a gap, the section of a portion in contact with the casing body is formed at a right angle at both ends of an upper edge portion of a header plate, and an upper lid is fitted so that it is brought into contact with the upper edge of the header plate over the entire length.Type: GrantFiled: July 20, 2005Date of Patent: October 5, 2010Assignee: T. Rad Co., Ltd.Inventor: Yoichi Nakamura
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Publication number: 20100248349Abstract: An animal blood cell measuring apparatus comprising: a specimen preparation section for preparing a measurement specimen from blood of an animal; a characteristic information obtaining section for obtaining characteristic information indicating a characteristic of the measurement specimen, from the measurement specimen prepared by the specimen preparation section; and a controller configured for performing operations comprising: (a) classifying aggregate reticulocytes contained in the blood from other blood cells, based on the characteristic information obtained by the characteristic information obtaining section; and (b) outputting information regarding a number of the classified aggregate reticulocytes.Type: ApplicationFiled: March 19, 2010Publication date: September 30, 2010Inventors: Yoichi Nakamura, Hideki Hirayama, Hideaki Matsumoto, Keiko Moriyama
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Patent number: 7723000Abstract: An electrophotographic photoconductor includes an undercoat layer and a photosensitive layer sequentially provided on a conductive substrate. The undercoat layer is mainly composed of a resin and contains a metal oxide. The resin is provided by mixing and polymerizing raw materials of aromatic dicarboxylic acid in a range of 0.1 to 10 mol %, two or more types of dicarboxylic acid other than the aromatic dicarboxylic acid, two or more types of diamine, and at least one type of cyclic amide compound. The resin exhibits an acid value and a base value each of at most 6.0 KOH mg/g. Advantageously, generation of secondary aggregates in the undercoat layer, which result in image defects such as black spots and fogging on a white field, is suppressed.Type: GrantFiled: December 20, 2006Date of Patent: May 25, 2010Assignee: Fuji Electric Device Technology Co., Ltd.Inventors: Shinjirou Suzuki, Yoichi Nakamura, Ikuo Takaki, Kazuki Nebashi