Patents by Inventor Norihiro Yoshida
Norihiro Yoshida 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: 20140058028Abstract: Provided are a metal nanoparticle composite which exhibits excellent stability over time and retention stability and is useful as a raw material for a metal nanoparticle-dispersed film, a method for producing the composite, a metal nanoparticle dispersion liquid, a composition for forming a metal nanoparticle-dispersed film, and a metal nanoparticle-dispersed film. Disclosed is a metal nanoparticle composite comprising (A) a star-shaped polymer having a central core and arms bonded to the central core, the arms comprising a repeating unit represented by the following formula (1) and a repeating unit represented by the following formula (2); and (B) metal nanoparticles supported thereon: wherein in the formula (1), R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and in the formula (2), R2 represents a methyl group or an ethyl group; and k represents an integer from 1 to 10.Type: ApplicationFiled: January 25, 2012Publication date: February 27, 2014Applicant: Maruzen Petrochemical Co., LTD.Inventors: Norihiro Yoshida, Takao Nishiura
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Patent number: 8492483Abstract: To provide a novel ABA-type triblock copolymer of vinyl ether series, comprising polyvinyl ether and an oxystyrene-series unit, and a process of producing the ABA-type copolymer at a series of steps. The invention relates to a novel ABA-type triblock copolymer comprising Segment A comprising an oxystyrene-series repeat unit (a) and Segment B comprising a vinyl ether-series repeat unit (b), in which the Segment A and the Segment B are bonded together with a single bond, and to a simple process of producing the same. The triblock copolymer can be produced at a series of steps in a simple manner, comprising living cationic polymerization of a vinyl ether-series monomer such as ethyl vinyl ether in the presence of a bifunctional initiator and a Lewis acid, and subsequently adding an oxystyrene-series monomer such as p-hydroxystyrene for living cationic polymerization.Type: GrantFiled: June 19, 2008Date of Patent: July 23, 2013Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Norihiro Yoshida, Hijiri Aoki, Takahito Mita, Ami Yamaguchi, Kazuhiko Haba, Goro Sawada
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Patent number: 8462623Abstract: The present invention is comprised for pre-setting bandwidth control information of each user for each of the number of normal physical links which are integrated as a Link Aggregation, recognizing the number of currently normal physical links if a failure, or recovery therefrom, of a physical link which is integrated as the aforementioned Link Aggregation, and carrying out a bandwidth control, for each user traffic, corresponding to the number of the recognized normal physical links by referring to bandwidth control information of each user for each of the number of preset normal physical links, in order to prevent an occurrence of unfairness in usable bandwidth among the users even in the case of a failure occurrence in respective physical links which are logically integrated as a Link Aggregation.Type: GrantFiled: November 7, 2005Date of Patent: June 11, 2013Assignee: Fujitsu LimitedInventors: Tatsuya Abe, Yoshinari Akakura, Yuichi Yamagishi, Norihiro Yoshida, Hirotaka Yamada, Kiyoshi Miyano, Shigemori Ookawa, Norikazu Hikimochi
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Patent number: 8355104Abstract: An MVA mode liquid crystal display device is configured such that a liquid crystal layer including liquid crystal molecules having negative dielectric constant anisotropy is held between a first substrate and a second substrate. The liquid crystal display device includes a structural body which controls an alignment direction of the liquid crystal molecules in a manner to form a multi-domain in each of pixels. The structural body includes a first structural body which is disposed in a manner to overlap a light-blocking wiring line, and a second structural body which is disposed in a direction substantially perpendicular to the first structural body and is formed to be narrower than the first structural body.Type: GrantFiled: December 3, 2008Date of Patent: January 15, 2013Assignee: Japan Display Central Inc.Inventors: Norihiro Yoshida, Yoshitaka Yamada, Jin Hirosawa, Arihiro Takeda
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Publication number: 20130003005Abstract: An MVA mode liquid crystal display device has a liquid crystal layer including liquid crystal molecules having negative dielectric constant anisotropy held between a first substrate and a second substrate. It includes a structural body which controls an alignment direction of the liquid crystal molecules to form a multi-domain in each of pixels. The structural body includes a first structural body which overlaps a light-blocking wiring line, and a second structural body which is disposed in a direction substantially perpendicular to the first structural body and is narrower than the first structural body.Type: ApplicationFiled: September 11, 2012Publication date: January 3, 2013Inventors: Norihiro YOSHIDA, Yoshitaka YAMADA, Jin HIROSAWA, Arihiro TAKEDA
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Patent number: 8253842Abstract: An electronic device includes: at least one switch which is arranged at a printed circuit board; at least one operation member which is capable of pressing the at least one switch; a support member which has at least one arm part configured to support the at least one operation member movably; and an exterior member which abuts to the support member and has at least one hole into which the at least one operation member is inserted, wherein the support member further has at least one positioning member which is uncovered by the exterior member.Type: GrantFiled: June 17, 2009Date of Patent: August 28, 2012Assignee: Ricoh Company, Ltd.Inventors: Norihiro Yoshida, Kimiharu Yanagisawa
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Publication number: 20120172535Abstract: Provided is a vinyl ether-based star polymer that has arms containing a copolymer of a vinyl ether-based polymer and a oxystyrene-based polymer, and a process for production of the star polymer that is capable of being carried out continuously in a series of steps.Type: ApplicationFiled: July 1, 2010Publication date: July 5, 2012Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventor: Norihiro Yoshida
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Publication number: 20120022219Abstract: Provided is a vinyl ether-based star polymer which has an arm including a vinyl ether polymer and an arm including an oxystyrene polymer. Also provided is a process for producing the star polymer, which can be continuously carried out in a series of steps. Said vinyl ether-based star polymer and process for producing the same are such that the polymer includes a core and polymer-chain arm portions extending from the core, in which an arm portion including vinyl ether repeating units and an arm portion including oxystyrene repeating units are provided.Type: ApplicationFiled: January 8, 2010Publication date: January 26, 2012Applicant: MARUZEN PETROCHEMICAL CO., LTDInventor: Norihiro Yoshida
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Publication number: 20110216237Abstract: A camera body (1) of the present invention is provided with a concave portion (1A) in which an imaging unit (2) including a rectangular solid shaped case (2a) having an optical system and an imaging device is detachably disposed. When the case (2a) is viewed from a front side in a state where the case (2a) is disposed in the concave portion (1A), the camera body (1) includes a back face portion (1B) having a back face wall (4) located on the back of the case (2a) and facing a back face of the case (2a), a side face portion (1C) having a side face wall (6) facing a side face of the case (2a), and an upper face portion (1D) having an upper face wall (5) facing an upper face of the case (2a). The concave portion (1A) is defined by the back face wall (4), the side face wall (6), and the upper face wall (5), and is open on three sides where the remaining faces of the case (2a) are located at the time of attachment.Type: ApplicationFiled: November 26, 2009Publication date: September 8, 2011Inventors: Junichi Shinohara, Atsushi Sato, Ryota Kaga, Takashi Tada, Shu Kambe, Norihiro Yoshida
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Patent number: 7926230Abstract: A bracket structure for external wall 2 which is excellent in constructability and stability with fixing an external wall, and an external wall construction structure 1 using the bracket for external wall 2. A bracket structure for external wall 2 used for fixing a fiber reinforced cement siding 7, 7? and an outside corner material to a front surface of the wall surface 8 of building via a securing fastening member A, A, A?, A?, furring 6, 6? and a thermal insulating material placed on a front surface of the wall surface 8 of building.Type: GrantFiled: January 8, 2008Date of Patent: April 19, 2011Assignee: Nichiha CorporationInventors: Norihiro Yoshida, Shin Takami
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Publication number: 20100286351Abstract: To provide a novel ABA-type triblock copolymer of vinyl ether series, comprising polyvinyl ether and an oxystyrene-series unit, and a process of producing the ABA-type copolymer at a series of steps. The invention relates to a novel ABA-type triblock copolymer comprising Segment A comprising an oxystyrene-series repeat unit (a) and Segment B comprising a vinyl ether-series repeat unit (b), in which the Segment A and the Segment B are bonded together with a single bond, and to a simple process of producing the same. The triblock copolymer can be produced at a series of steps in a simple manner, comprising living cationic polymerization of a vinyl ether-series monomer such as ethyl vinyl ether in the presence of a bifunctional initiator and a Lewis acid, and subsequently adding an oxystyrene-series monomer such as p-hydroxystyrene for living cationic polymerization.Type: ApplicationFiled: June 19, 2008Publication date: November 11, 2010Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Norihiro Yoshida, Hijiri Aoki, Takahito Mita, Ami Yamaguchi, Kazuhiko Haba, Goro Sawada
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Patent number: 7679705Abstract: A liquid crystal display device includes an array substrate and a counter-substrate, a liquid crystal layer which is held between the array substrate and counter-substrate and includes a transmissive display part and a reflective display part which neighbor each other via a boundary, an alignment state of liquid crystal molecules in the liquid crystal layer being controlled by an application voltage from the array substrate and counter-substrate in the transmissive display part and the reflective display part, and control means for making an alignment direction of the liquid crystal molecules, which are present near the boundary in the reflective display part, substantially match an alignment direction of the liquid crystal molecules which are present near the boundary in the transmissive display part.Type: GrantFiled: August 22, 2006Date of Patent: March 16, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Takeshi Yamaguchi, Kisako Ninomiya, Yasushi Kawata, Yuuzo Hisatake, Akio Murayama, Norihiro Yoshida, Chigusa Tago
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Patent number: 7663587Abstract: A liquid crystal display device has a gradation display function of at least an n-number of gray levels and has a viewing angle characteristic of Mi/Mj?1.3 in a case where a display luminance range in a normal direction to a display surface in a gradation range of predetermined gray levels i to j is Li to Lj and a display luminance range in an oblique viewing-angle direction of 30° or more is Mi to Mj (where n, i and j are real numbers, and n?i>j?0). The liquid crystal display device has a display mode in which a display image is displayed with a display luminance range of the display image being limited to Li to Lj.Type: GrantFiled: August 30, 2006Date of Patent: February 16, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yoshitaka Yamada, Ryoichi Watanabe, Masaki Kinoshita, Yoshihiro Watanabe, Sadayasu Fujibayashi, Norihiro Yoshida
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Publication number: 20090316039Abstract: An electronic device includes: at least one switch which is arranged at a printed circuit board; at least one operation member which is capable of pressing the at least one switch; a support member which has at least one arm part configured to support the at least one operation member movably; and an exterior member which abuts to the support member and has at least one hole into which the at least one operation member is inserted, wherein the support member further has at least one positioning member which is uncovered by the exterior member.Type: ApplicationFiled: June 17, 2009Publication date: December 24, 2009Inventors: Norihiro Yoshida, Kimiharu Yanagisawa
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Patent number: 7626616Abstract: An automatic gain control circuit generates, based on comparison between an average brightness of brightness data output for each frame from an image sensor and a target brightness, an integration time adjustment signal for adjusting an integration time during which the image sensor is exposed, a gain adjustment signal for adjusting gain of an amplifier that amplifies an output signal of the image sensor, and a frame rate adjustment signal for changing a frame rate. The automatic gain control circuit includes an exposure control circuit for adjusting a blanking time of each frame and generating, as the frame rate adjustment signal, a maximum integration time adjustment signal for switching a maximum integration time of the image sensor.Type: GrantFiled: July 19, 2006Date of Patent: December 1, 2009Assignee: Fujitsu Microelectronics LimitedInventors: Asao Kokubo, Hiroshi Daiku, Yutaka Takeda, Norihiro Yoshida
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Patent number: 7612810Abstract: A solid-state imaging device includes an image sensor configured to output image data generated by image sensing elements together with a timing signal, and an image processing unit configured to output the image data supplied from the image sensor having undergone predetermined signal processing a predetermined delay time after a timing indicated by the timing signal, the image sensor further configured to make the timing signal indicate a first timing that is at least the processing delay time earlier than a second timing indicative of a start of a valid period of the image data, and to output dummy data from the first timing to the start of the valid period of the image data.Type: GrantFiled: October 20, 2004Date of Patent: November 3, 2009Assignee: Fujitsu Microelectronics LimitedInventors: Asao Kokubo, Hiroshi Daiku, Jun Funakoshi, Yutaka Takeda, Norihiro Yoshida
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Publication number: 20090238083Abstract: A line monitoring apparatus includes a state change detection number counter configured to count a state change detection number that is a number of a state change in a line being detected by a first type detecting process; and a state change frequency determiner configured to determine whether or not the state change detection number counted per a predetermined unit time exceeds a predetermined threshold value, wherein when the state change detection number counted per the unit time exceeds the threshold value, the detecting process of detecting a state change in the line is changed from the first type detecting process to a second type detecting process.Type: ApplicationFiled: March 17, 2009Publication date: September 24, 2009Applicant: Fujitsu LimitedInventor: Norihiro YOSHIDA
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Publication number: 20090147201Abstract: An MVA mode liquid crystal display device is configured such that a liquid crystal layer including liquid crystal molecules having negative dielectric constant anisotropy is held between a first substrate and a second substrate. The liquid crystal display device includes a structural body which controls an alignment direction of the liquid crystal molecules in a manner to form a multi-domain in each of pixels. The structural body includes a first structural body which is disposed in a manner to overlap a light-blocking wiring line, and a second structural body which is disposed in a direction substantially perpendicular to the first structural body and is formed to be narrower than the first structural body.Type: ApplicationFiled: December 3, 2008Publication date: June 11, 2009Inventors: Norihiro Yoshida, Yoshitaka Yamada, Jin Hirosawa, Arihiro Takeda
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Patent number: 7508475Abstract: A liquid crystal display device comprises a first substrate including a first insulation substrate, and rectangular pixel electrodes provided in a matrix on the first insulation substrate and elongated in a first direction, a second substrate opposing the first substrate, and including a second insulation substrate, a counter electrode on the second insulation substrate, and projections on the counter electrode, elongated in a second direction intersecting the first direction, and a liquid crystal layer held between the first and second substrates. The projections extend through pixel regions defined by the pixel electrodes and counter electrode, and are formed asymmetrical with respect to a first imaginary line passing through centers of opposite short sides of each pixel electrode and extending in the first direction, and with respect to a second imaginary line passing through centers of opposite long sides of each pixel electrode and extending in the second direction.Type: GrantFiled: January 9, 2007Date of Patent: March 24, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yasushi Kawata, Akio Murayama, Masaki Obi, Kisako Ninomiya, Norihiro Yoshida
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Patent number: 7499134Abstract: A liquid crystal display apparatus comprising a liquid crystal display panel and an optical unit. The liquid crystal display panel includes a first substrate, a second substrate, a plurality of pixel electrodes, and a plurality of projections. Each of the pixel electrodes has a major axis that is 160 ?m or less long. A value obtained by dividing a height of the projections by a gap d between the first and second substrates is 0.14 to 0.6. The projections are 15 ?m or less wide as measured in the first direction. The apparatus satisfied the relation of MIN (la, lb)/d<10.Type: GrantFiled: July 13, 2006Date of Patent: March 3, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Yoshitaka Yamada, Arihiro Takeda, Norihiro Yoshida, Takashi Mitsumoto, Hirokazu Morimoto