Patents by Inventor Kazuya Nakamura
Kazuya 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: 20130271819Abstract: An electrophoretic display base includes a base; a partition which is disposed on one surface of the base and in which the opposite side of the one surface is open; an electrophoretic dispersion liquid which contains a dispersion medium and charged particles filled in a cell on the base which is defined by the partition; and a lid which is disposed to block an opening of the partition, and has a porosity capable of passing the electrophoretic dispersion liquid therethrough.Type: ApplicationFiled: March 13, 2013Publication date: October 17, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Daisuke ABE, Hiroki NAKAHARA, Kazuya NAKAMURA
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Patent number: 8431941Abstract: An active matrix substrate includes a substrate; a plurality of data lines provided on the substrate; a plurality of scanning lines provided to cross the data lines on the substrate when seen in a plan view; a thin film transistor that is electrically connected to one of the plurality of data lines and one of the plurality of scanning lines and has an organic semiconductor layer; a pixel electrode electrically connected to the thin film transistor; and a capacitive element electrically connected in parallel with the thin film transistor between the data line and the pixel electrode.Type: GrantFiled: December 29, 2009Date of Patent: April 30, 2013Assignee: Seiko Epson CorporationInventors: Takashi Aoki, Kazuya Nakamura
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Publication number: 20130016542Abstract: To provide an electric power conversion device that converts direct current power supplied from a direct-current power supply into alternating current power, the electric power conversion device includes six switching elements constituted by a voltage-driven transistor that uses a wide bandgap semiconductor and a diode, and a drive circuit that controls a voltage for driving the transistor at a time of turning off the switching elements based on a predetermined voltage profile specifying that the transistor is operated in a non-linear region.Type: ApplicationFiled: March 31, 2010Publication date: January 17, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazuya Nakamura, Kei Terada, Kazutaka Takahashi, Shigeo Jimbo
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Patent number: 8350969Abstract: An electronic apparatus is provided and includes a first IC having an internal configuration section, a nonvolatile memory, and an interface section. The electronic apparatus also includes a second IC having a signal processing section, and a correction-data supplying section.Type: GrantFiled: March 6, 2009Date of Patent: January 8, 2013Assignee: Sony CorporationInventors: Toshihisa Hyakudai, Mitsuru Ikeda, Norihiro Murayama, Kazuya Nakamura, Masatomo Miyashita, Kohei Yamamoto
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Patent number: 8106549Abstract: A motor which can be mounted in an endoscope probe without bending an electric power supply wire in an endoscope probe body, and an endoscope probe using the motor are provided. The motor includes a magnet, a field coil, a housing, an electric power supply wire, and a shaft. A lead wire from the field coil is connected to the electric power supply wire. A cutout is provided in a housing end, and the electric power supply wire is received along the cutout and led out to the outside of the motor in the direction in which a shaft projects. When the motor is mounted in the endoscope probe, the motor is placed in the endoscope probe body so that the shaft projects in the direction opposite to the direction of the front end of the endoscope probe, and the electric power supply wire, which is led out to the outside of the motor, is routed along the longitudinal direction of the endoscope probe.Type: GrantFiled: January 30, 2008Date of Patent: January 31, 2012Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Yukiharu Shimizu, Kazuya Nakamura, Tsuyoshi Takano
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Patent number: 8029717Abstract: There is provided a nanoimprint apparatus. The nanoimprint apparatus transfers a pattern formed on a surface of a mold to a transfer layer which is formed partially or entirely on a side surface of a substantially cylindrical or columnar substrate. The nanoimprint apparatus includes: a first jig which is in contact with the substrate 102; a second jig which rotatably supports the first jig; a press unit which is connected to the second jig to press the substrate on the mold 104 through the first and second jigs; and a movable holding unit which holds the mold and moves the mold 104 in a direction substantially perpendicular to a pressing force.Type: GrantFiled: August 17, 2006Date of Patent: October 4, 2011Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Kazuya Nakamura, Nobuo Imaizumi, Yoshihito Hiyama, Ryutaro Maeda, Hiroshi Goto
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Patent number: 7986063Abstract: A high-precision cylindrical coil having a high-precision fine coil pattern and a high mechanical precision such as fine roundness and no axial runout, and a cylindrical micrometer using the cylindrical coil are provided. In a cylindrical coil, a plurality of layers of coil patterns formed by filling the coil pattern grooves formed on a cylindrical substrate with a conductor and a plurality of insulating layers coating the cylindrical substrate are formed, the layers of coil patterns are electrically interconnected to each other by filling a through-hole formed by performing a hole forming process with a conductor, and the outmost layer is made of an insulating material.Type: GrantFiled: May 26, 2006Date of Patent: July 26, 2011Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Kazuya Nakamura, Yoshihito Hiyama, Nobuo Imaizumi
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Patent number: 7790300Abstract: An R—Fe—B based thin film magnet including an R—Fe—B based alloy which contains 28 to 45 percent by mass of R element (where R represents at least one type of rare-earth lanthanide elements) and which is physically formed into a film, wherein the R—Fe—B based alloy has a composite texture composed of R2Fe14B crystals having a crystal grain diameter of 0.5 to 30 ?m and R-element-rich grain boundary phases present at boundaries between the crystals. The magnetization characteristics of the thin film magnet are improved. The R—Fe—B based thin film magnet can be prepared by heating to 700° C. to 1,200° C. during physical film formation or/and the following heat treatment, so as to grow crystal grains and form R-element-rich grain boundary phases.Type: GrantFiled: March 23, 2005Date of Patent: September 7, 2010Assignees: Japan Science and Technology Agency, Hitachi Metals, Ltd., Namiki Precision Jewel Co., Ltd.Inventors: Shunji Suzuki, Kenichi Machida, Eiji Sakaguchi, Kazuya Nakamura
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Patent number: 7781760Abstract: A thin film transistor includes a source electrode and a drain electrode which are disposed to face each other, an organic semiconductor layer provided at least between the source electrode and the drain electrode, a plurality of gate lines extending over the source electrode, the organic semiconductor layer, and the drain electrode, and a gate insulating layer interposed between the source electrode, the drain electrode, and the organic semiconductor layer and the plurality of gate lines.Type: GrantFiled: September 18, 2007Date of Patent: August 24, 2010Assignee: Seiko Epson CorporationInventors: Kiyoshi Nakamura, Hirofumi Hokari, Kazuya Nakamura
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Publication number: 20100171129Abstract: An active matrix substrate includes a substrate; a plurality of data lines provided on the substrate; a plurality of scanning lines provided to cross the data lines on the substrate when seen in a plan view; a thin film transistor that is electrically connected to one of the plurality of data lines and one of the plurality of scanning lines and has an organic semiconductor layer; a pixel electrode electrically connected to the thin film transistor; and a capacitive element electrically connected in parallel with the thin film transistor between the data line and the pixel electrode.Type: ApplicationFiled: December 29, 2009Publication date: July 8, 2010Applicant: Seiko Epson CorporationInventors: Takashi Aoki, Kazuya Nakamura
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Publication number: 20100105980Abstract: A motor which can be mounted in an endoscope probe without bending an electric power supply wire in an endoscope probe body, and an endoscope probe using the motor are provided. The motor includes a magnet, a field coil, a housing, an electric power supply wire, and a shaft. A lead wire from the field coil is connected to the electric power supply wire. A cutout is provided in a housing end, and the electric power supply wire is received along the cutout and led out to the outside of the motor in the direction in which a shaft projects. When the motor is mounted in the endoscope probe, the motor is placed in the endoscope probe body so that the shaft projects in the direction opposite to the direction of the front end of the endoscope probe, and the electric power supply wire, which is led out to the outside of the motor, is routed along the longitudinal direction of the endoscope probe.Type: ApplicationFiled: January 30, 2008Publication date: April 29, 2010Applicant: NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHAInventors: Yukiharu Shimizu, Kazuya Nakamura, Tsuyoshi Takano
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Publication number: 20100065986Abstract: There is provided a nanoimprint apparatus. The nanoimprint apparatus transfers a pattern formed on a surface of a mold to a transfer layer which is formed partially or entirely on a side surface of a substantially cylindrical or columnar substrate. The nanoimprint apparatus includes: a first jig which is in contact with the substrate 102; a second jig which rotatably supports the first jig; a press unit which is connected to the second jig to press the substrate on the mold 104 through the first and second jigs; and a movable holding unit which holds the mold and moves the mold 104 in a direction substantially perpendicular to a pressing force.Type: ApplicationFiled: August 17, 2006Publication date: March 18, 2010Applicant: NAMIKI SEIMITSU HOUSEKI KABUSHIKIKAISHAInventors: Kazuya Nakamura, Nobuo Imaizumi, Yoshihito Hiyama, Ryutaro Maeda, Hiroshi Goto
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Publication number: 20090251617Abstract: An electronic apparatus is provided and includes a first IC having an internal configuration section, a nonvolatile memory, and an interface section. The electronic apparatus also includes a second IC having a signal processing section, and a correction-data supplying section.Type: ApplicationFiled: March 6, 2009Publication date: October 8, 2009Applicant: SONY CORPORATIONInventors: Toshihisa HYAKUDAI, Mitsuru IKEDA, Norihiro MURAYAMA, Kazuya NAKAMURA, Masatomo MIYASHITA, Kohei YAMAMOTO
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Patent number: 7579731Abstract: Disclosed herein is a reliable inner rotor type miniature brushless motor structure wherein, while a field coil is fixedly disposed onto the inner wall of a housing, an end flange is fixedly disposed into one end of the housing from where tap wires of the field coil are drawn out, so that the tap wires exposed from the end-flange side end of the housing can be connected to wiring substrates fixedly disposed onto the outer periphery of the end flange without the need to bend the wiring substrates, and further so that power feed lands can be large enough to reduce the likelihood of wiring breakage and other problems.Type: GrantFiled: November 8, 2005Date of Patent: August 25, 2009Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Eri Fukushima, Yukiharu Shimizu, Kazuya Nakamura
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Publication number: 20090079277Abstract: A high-precision cylindrical coil having a high-precision fine coil pattern and a high mechanical precision such as fine roundness and no axial runout, and a cylindrical micrometer using the cylindrical coil are provided. In a cylindrical coil, a plurality of layers of coil patterns formed by filling the coil pattern grooves formed on a cylindrical substrate with a conductor and a plurality of insulating layers coating the cylindrical substrate are formed, the layers of coil patterns are electrically interconnected to each other by filling a through-hole formed by performing a hole forming process with a conductor, and the outmost layer is made of an insulating material.Type: ApplicationFiled: May 26, 2006Publication date: March 26, 2009Applicant: NAMIKI SEIMITSU HOUSEKI KABUSHIKI KAISHAInventors: Kazuya Nakamura, Yoshihito Hiyama, Nobuo Imaizumi
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Publication number: 20090025968Abstract: A wired circuit board includes an insulating layer, a conductive pattern made of copper formed on the insulating layer and a covering layer made of an alloy of copper and tin to cover the conductive pattern. An existing ratio of tin in the covering layer increases in accordance with a distance from an inner surface adjacent to the conductive pattern toward an outer surface being not adjacent to the conductive pattern. An atomic ratio of copper to tin in the outer surface of the covering layer is more than 3.Type: ApplicationFiled: July 23, 2008Publication date: January 29, 2009Applicant: Nitto Denko CorporationInventors: Yasunari Ooyabu, Visit Thaveeprungsriporn, Hayato Abe, Kazuya Nakamura, Katsutoshi Kamei, Toshiki Naito
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Publication number: 20090020324Abstract: A wired circuit board comprises a metal supporting board, a metal foil formed on the metal supporting board, a first protecting layer formed on the surface of the metal foil, the first protecting layer is made of tin or a tin alloy, a first insulating layer formed on the metal supporting board to cover the first protecting layer, a conductive pattern formed on the insulating layer, and a second protecting layer formed on the surface of the conductive pattern, the second protecting layer is made of tin or a tin alloy.Type: ApplicationFiled: July 17, 2008Publication date: January 22, 2009Applicant: Nitto Denko CorporationInventors: Katsutoshi Kamei, Visit Thaveeprungsriporn, Kazuya Nakamura
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Publication number: 20080190652Abstract: A wired circuit board includes: a first insulating layer; a conductive pattern formed on the first insulating layer and having a terminal portion; and a second insulating layer formed on the first insulating layer to cover the conductive pattern. A surface of the terminal portion is formed to be exposed from the first insulating layer and the second insulating layer. A tin alloy layer is formed at least on a top surface and both side surfaces of the terminal portion.Type: ApplicationFiled: February 8, 2008Publication date: August 14, 2008Applicant: Nitto Denko CorporationInventors: Katsutoshi Kamei, Kazuya Nakamura, Visit Thaveeprungsriporn
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Publication number: 20080169462Abstract: A thin film transistor includes a source electrode and a drain electrode which are disposed to face each other, an organic semiconductor layer provided at least between the source electrode and the drain electrode, a plurality of gate lines extending over the source electrode, the organic semiconductor layer, and the drain electrode, and a gate insulating layer interposed between the source electrode, the drain electrode, and the organic semiconductor layer and the plurality of gate lines.Type: ApplicationFiled: September 18, 2007Publication date: July 17, 2008Applicant: Seiko Epson CorporationInventors: Kiyoshi Nakamura, Hirofumi Hokari, Kazuya Nakamura
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Publication number: 20070267934Abstract: Disclosed herein is a reliable inner rotor type miniature brushless motor structure wherein, while a field coil is fixedly disposed onto the inner wall of a housing, an end flange is fixedly disposed into one end of the housing from where tap wires of the field coil are drawn out, so that the tap wires exposed from the end-flange side end of the housing can be connected to wiring substrates fixedly disposed onto the outer periphery of the end flange without the need to bend the wiring substrates, and further so that power feed lands can be large enough to reduce the likelihood of wiring breakage and other problems.Type: ApplicationFiled: November 8, 2005Publication date: November 22, 2007Inventors: Eri Fukushima, Yukiharu Shimizu, Kazuya Nakamura