Patents by Inventor Hirofumi Yamashita

Hirofumi Yamashita 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: 20110009518
    Abstract: There are provided a photosetting type bio-based coating composition and its coated article, wherein the coating composition has a sufficient hydrolysis resistance and a sufficient crosslinking density so as to be excellent in such as long-term stability, and is inexpensive, and is applicable also to an aqueous solvent. The photosetting type bio-based coating composition according to the present invention is characterized by comprising: a bio-based photopolymerizable compound as a film-forming ingredient which compound has at least one lactic acid unit and at least one photopolymerizable group together in a molecule; and a photopolymerization initiator. The coated article according to the present invention is characterized by being obtained by being coated with the aforementioned coating composition.
    Type: Application
    Filed: May 26, 2010
    Publication date: January 13, 2011
    Applicants: NIPPON BEE CHEMICAL CO., LTD., National University Corporation Kyoto Institute of Technology, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoya Yabuuchi, Koji Morita, Hirofumi Yamashita, Hitomi Ohara, Shiro Kobayashi, Masahiko Ishii
  • Patent number: 7855406
    Abstract: An n/p?/p+ substrate where a p?-type epitaxial layer and an n-type epitaxial layer have been deposited on a p+-type substrate is provided. In the surface region of the n-type epitaxial layer, the n-type region of a photoelectric conversion part has been formed. Furthermore, a barrier layer composed of a p-type semiconductor region has been formed so as to enclose the n-type region of the photoelectric conversion part in a plane and reach the p?-type epitaxial layer from the substrate surface. A p-type semiconductor region has also been formed at a chip cutting part for dividing the substrate into individual devices so as to reach the p?-type epitaxial layer from the substrate surface.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: December 21, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tetsuya Yamaguchi, Hiroshige Goto, Hirofumi Yamashita, Ikuko Inoue, Nagataka Tanaka, Hisanori Ihara
  • Patent number: 7839069
    Abstract: The orientation of fluorescent lamps is detected in a manufacturing method for a direct backlight unit that alternates orientations of adjacent fluorescent lamps. In a preparation step of the manufacturing method for the backlight unit of the present invention, a plurality of fluorescent lamps are prepared. In each of the fluorescent lamps, a length (a1) from a first sealed portion of a glass bulb (26) to a non-phosphor layer (32) area is shorter than a length (a2) from a second sealed portion to a non-phosphor layer (32) area (a1<a2). In a detection step, the difference between the lengths is detected with use of a sensor. In an installation step, the fluorescent lamps are arranged with use of the detection results so that the first and second ends alternate on a same side of a housing.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: November 23, 2010
    Assignee: Panasonic Corporation
    Inventors: Akiko Nakanishi, Taizou Ono, Hirofumi Yamashita, Kazuhiro Kumada, Haruo Yamazaki, Shinji Kihara, Akio Kitada, Masanobu Murakami, Tomokazu Matsuura, Hiroshi Sakurai, Makoto Yokozeki, Takashi Maniwa, Shigeru Ido
  • Publication number: 20100249315
    Abstract: There are provided: a bio-based coating composition which is a bio-based ingredient coating composition in consideration of environment and does not need any expensive ingredient and is also excellent in hydrolysis resistance; and an article coated with the coating composition. The bio-based coating composition is characterized by comprising the following film-forming ingredients: a lactic acid polymer (A) which contains a polyfunctional compound having a hydroxyl group and/or a carboxyl group in a functionality of not less than 3 and lactic acid as essential monomer ingredients and has a specific SP value; and a resin (B) which contains a hydroxyl group and/or a carboxyl group and has a specific SP value; wherein the difference (?SP) between the SP values of the lactic acid polymer (A) and the resin (B) is in the range of 0.2 to 4.0. The coated article is characterized by being obtained by being coated with the aforementioned coating composition.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 30, 2010
    Applicants: NIPPON BEE CHEMICAL CO., LTD., NATIONAL UNIVERSITY CORPORATION KYOTO INSTITUTE OF TECHNOLOGY, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji MORITA, Hirofumi YAMASHITA, Hitomi OHARA, Shiro KOBAYASHI, Masahiko ISHII
  • Publication number: 20100220462
    Abstract: The orientation of fluorescent lamps is detected in a manufacturing method for a direct backlight unit that alternates orientations of adjacent fluorescent lamps. In a preparation step of the manufacturing method for the backlight unit of the present invention, a plurality of fluorescent lamps are prepared. In each of the fluorescent lamps, a length (a1) from a first sealed portion of a glass bulb (26) to a non-phosphor layer (32) area is shorter than a length (a2) from a second sealed portion to a non-phosphor layer (32) area (a1<a2). In a detection step, the difference between the lengths is detected with use of a sensor. In an installation step, the fluorescent lamps are arranged with use of the detection results so that the first and second ends alternate on a same side of a housing.
    Type: Application
    Filed: February 21, 2007
    Publication date: September 2, 2010
    Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Akiko Nakanishi, Taizou Ono, Hirofumi Yamashita, Kazuhiro Kumada, Haruo Yamazaki, Shinji Kihara, Akio Kitada, Masanobu Murakami, Tomokazu Matsuura, Hiroshi Sakurai, Makoto Yokozeki, Shigeru Ido
  • Patent number: 7709870
    Abstract: A solid-state image pickup device includes a semiconductor substrate including a substrate main body having P-type impurities and a first N-type semiconductor layer provided on the substrate main body, an image pickup area including a plurality of photoelectric converters in which the plurality of photoelectric converters include second N-type semiconductor layers, the second N-type semiconductor layers being provided on a surface portion of the first N-type semiconductor layer independently of one another, and a first peripheral circuit area including a first P-type semiconductor layer formed on the first N-type semiconductor layer. The solid-state image pickup device further includes a second peripheral circuit area including a second P-type semiconductor layer formed on the first N-type semiconductor layer and connected to the substrate main body.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: May 4, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Ikuko Inoue, Hiroshige Goto, Hirofumi Yamashita, Hisanori Ihara, Nagataka Tanaka, Tetsuya Yamaguchi
  • Patent number: 7700676
    Abstract: It is an object of the present invention to provide a water-based one-pack-type coating composition which can form a coating film having a satisfactory feel of achieving a soft feel and coating film performance simultaneously and further maintains common performance of paint such as excellent design (a matt appearance, etc.), an adhesion property, coating film strength, abrasion resistance, water resistance, oil and grease-contamination resistance. A water-based one-pack-type coating composition of the present invention comprises: an ionomer resin emulsion (A), a polyolefin resin emulsion (B), resin particles (C), and a urethane dispersion (D), wherein a solid content mass ratio (mass ratio as converted into a solid content) of (C)/{(A)+(B)+(D)} is 40/100 to 100/100, a solid content mass ratio of (A)/(B) is 1/3 to 3/1, and a solid content mass ratio of {(A)+(B)}/(D) is 40/60 to 70/30.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: April 20, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kenji Kawazu, Kentaro Komabayashi, Naoya Yabuuchi, Shinnosuke Kawano, Hirofumi Yamashita
  • Publication number: 20100085457
    Abstract: A plurality of image pickup areas is disposed in a semiconductor substrate so as to be separate from one another. Disposed in each of the image pickup areas are rows and columns of unit pixels, each of which includes a photoelectric conversion part and signal scanning circuit parts. Formed on the image pickup areas of the semiconductor substrate and opposite a interconnect layer formed on the semiconductor substrate are optical image formation lenses used for forming object images. Further, between the image pickup areas on the semiconductor substrate is a driving circuit area in which driving circuits are formed for driving the signal scanning circuit parts.
    Type: Application
    Filed: September 18, 2009
    Publication date: April 8, 2010
    Inventor: Hirofumi YAMASHITA
  • Patent number: 7683550
    Abstract: A low-pressure discharge lamp (1) is provided that includes a glass tube (2) having an inner diameter in a range of 1 to 5 mm and a pair of electrodes (3) disposed at end portions in the glass tube (2). The pair of electrodes (3) contain at least one transition metal selected from transition metals of Groups IV to VI. Mercury and a rare gas containing argon and neon are sealed in an inner portion of the glass tube (2). A relationship between a cathode glow discharge density J and a composition index ? of the sealed rare gas of the low-pressure discharge lamp (1) satisfies the following expression ??J=I/(S·P2)?1.5? (where S represents an effective discharge surface area (mm2) of an electrode, I represents a RMS lamp current (mA), P represents a pressure (kPa) of a sealed rare gas, and ? represents a composition index of a sealed rare gas that is a constant expressed by ?=(90.5A+3.4N)×10?3 when a total of a composition ratio A of argon and a composition ratio N of neon is expressed by A+N=1).
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: March 23, 2010
    Assignees: Panasonic Corporation, Panasonic Photo & Lighting Co., Ltd.
    Inventors: Hirofumi Yamashita, Haruo Yamazaki, Toshihiro Terada, Shinji Kihara
  • Publication number: 20100045837
    Abstract: A solid-state imaging device includes a pixel region and a driving circuit region which are disposed on a semiconductor substrate, the pixel region being configured such that a photoelectric conversion unit and a signal scanning circuit unit are included and a matrix of unit pixels is disposed, and the driving circuit region being configured such that a driving circuit for driving the signal scanning circuit unit is disposed, a first pad which is provided on a peripheral region on the semiconductor substrate on a side of a light receiving surface, the light receiving surface being formed on a substrate surface which is opposite to a substrate surface where the signal scanning circuit unit is formed, and a second pad which is provided on a side where the signal scanning circuit unit is formed, and which is disposed only at a position overlapping the pixel region.
    Type: Application
    Filed: August 14, 2009
    Publication date: February 25, 2010
    Inventor: Hirofumi YAMASHITA
  • Publication number: 20100012993
    Abstract: A solid-state imaging device includes a photodiode array having a plurality of photodiodes, read transistors each having one terminal and the other terminal of a current path, one terminal of the current path being connected to each of four photodiodes corresponding to two photodiodes adjacent in a row direction and two photodiodes adjacent in a column direction, the other terminal of the current path being connected in common to a first node, the first node provided as a set of four photodiodes being in a floating-state, read control lines to connect the gate of the read transistor corresponding to each set of the read transistors in common, and independently supplied with a read signal, and vertical signal lines supplied with a signal converted by two photodiodes adjacent in a row direction of the photodiodes for an independent period within one horizontal blanking period of image scanning.
    Type: Application
    Filed: July 16, 2009
    Publication date: January 21, 2010
    Inventors: Hirofumi YAMASHITA, Junji Naruse
  • Patent number: 7630090
    Abstract: An oven width measuring instrument capable of measuring the oven width continuously while being subject to no restrictions of measurement area or measuring time has: a sensor unit SU composed of an integrated combination of laser displacement sensors 16 and 17 each containing a beam emitting element and a beam receiving element in an outer package, a plurality of plate-like Peltier elements 20a-20d surrounding the outer package and arranged so as to direct their heat absorbing faces toward the outer package, an aluminum inner frame 18 for embedding gaps between the outer package and the heat absorbing faces of the Peltier elements, and cooling fin groups 21a-21d arranged on the heat radiating faces of the Peltier elements; and a housing 13 having an introduction part for introducing cooling air, a discharging part for discharging the cooling air used for cooling, and measurement windows 26 and 28 through which laser beams are passed. The sensor unit SU is accommodated in the housing.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: December 8, 2009
    Assignee: Kansai Coke and Chemicals Co., Ltd.
    Inventors: Hironobu Inamasu, Nobuki Takayama, Manabu Sato, Hirofumi Yamashita
  • Patent number: 7595583
    Abstract: A cold-cathode fluorescent lamp including a glass bulb and a pair of electrodes which are cylindrical and respectively inserted in two ends of the glass bulb. Two end portions of the glass bulb are substantially circular in transverse cross section, the two end portions respectively corresponding to the inserted pair of electrodes in length. At least part of a middle portion of the glass bulb is flat in transverse cross section, the middle portion corresponding to a space in the glass bulb between the pair of electrodes.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: September 29, 2009
    Assignee: Panasonic Corporation
    Inventors: Hirofumi Yamashita, Toshihiro Terada, Yusuke Mori, Haruo Yamazaki, Takashi Maniwa, Koji Takasaki
  • Publication number: 20090238450
    Abstract: A method includes a pixel-value correction step that causes an average and variance of pixel values in a second subregion inclusive of a first subregion inclusive of being formed of only one pixel in a comparison image resolved into pixels to match with an average and variance of pixel values in a subregion corresponding to the second subregion on a reference image similarly resolved into pixels, thereby to execute calculation that corrects the pixel value of each pixel in the first subregion in the comparison image by recognizing each of subregions to be the first subregion, the subregions being obtained when the comparison image is divided into the subregions respectively inclusive of being formed of only one pixel; and a change determination step that determines the presence/absence of a change in the object by comparing the reference image with a post-correction comparison image acquired through the pixel value correction step.
    Type: Application
    Filed: November 22, 2006
    Publication date: September 24, 2009
    Inventors: Ryoji Ohba, Hirofumi Yamashita, Isao Hayashi
  • Publication number: 20090200943
    Abstract: The present invention aims to provide an external-electrode discharge lamp able to suppress luminance variation, a manufacturing method for the lamp, and a backlight unit. A lamp (10) of the present invention includes a glass tube (11) sealed at both ends, and electrodes (18) and (19) provided around outer circumferential peripheries of the ends in the axial direction of the glass tube (11). During operation of the lamp (10), the electrodes (18) and (19) and the glass tube (11) between the electrodes (18) and (19) and a discharge space (14) equivalently function as first and second capacitors, whose capacitances are substantially the same.
    Type: Application
    Filed: January 20, 2005
    Publication date: August 13, 2009
    Inventors: Hirofumi Yamashita, Masanobu Murakami, Masao Izumi, Masaru Saitoh
  • Patent number: 7564189
    Abstract: A fluorescent lamp including a glass bulb that is in a shape of a tube. External electrodes are formed as conductive layers each of which covers an outer surface of the glass bulb at an end thereof. Metal members in a shape of a cap are respectively connected to the external electrodes by covering at least part of the external electrodes. The metal members are formed such that rims of the metal members recede from a center of the glass bulb in the tube axis direction a distance L than rims of the external electrodes.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: July 21, 2009
    Assignee: Panasonic Corporation
    Inventors: Masanobu Murakami, Taizou Ono, Toshihiro Terada, Hideki Wada, Hirofumi Yamashita
  • Patent number: 7553442
    Abstract: An exhaust gas purifying filter is made of a ceramic material in a honeycomb structure having introduction passages for introducing exhaust gas that includes particulate matter emitted from an internal combustion engine, porous walls that collect the particulate matter and exhaust passages for exhausting the exhaust gas after the particulate matter has been removed therefrom, with the porous walls supporting a catalyst for oxidizing and removing the particulate matter. The porosity of the porous wall is in a range from 55 to 80%, the mean pore size is in-a range from 30 to 50 ?m, and the total volume X of the pores included in the exhaust gas purifying filter and the volume Y of the pores that are not smaller than 100 ?m satisfy the relation of inequality Y/X?0.05.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: June 30, 2009
    Assignee: Denso Corporation
    Inventors: Mamoru Nishimura, Mikio Ishihara, Hirofumi Yamashita, Hiromi Sano
  • Patent number: 7554141
    Abstract: A solid-state image pickup device comprising a semiconductor substrate which comprises a substrate body containing P-type impurities and a first N-type semiconductor layer containing N-type impurities, the first N-type semiconductor layer being provided on the substrate body, and including a first P-type semiconductor layer which contains p-type impurities, and which is located on the substrate body, a plurality of optical/electrical conversion portions formed of second N-type semiconductor layers which are provided independently of each other in respective positions in a surface portion of the first N-type semiconductor layer, and a plurality of second P-type semiconductor layers which are formed to surround the optical/electrical conversion portions, which are provided along element isolation regions provided in respective positions in the surface portion of the first N-type semiconductor layer, and which continuously extend from the surface portion of the first N-type semiconductor layer to a surface porti
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: June 30, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tetsuya Yamaguchi, Hiroshige Goto, Hirofumi Yamashita, Hisanori Ihara, Ikuko Inoue, Nagataka Tanaka
  • Patent number: 7550911
    Abstract: A backlight unit has an external electrode fluorescent lamp in an housing. The external electrode fluorescent lamp includes a glass bulb having a discharge space inside, and electrodes around both ends of the glass bulb. A protective layer and a phosphor layer are formed on an internal surface of the glass bulb in this order. The glass bulb is made of soda glass, and sodium oxide precipitated from this soda glass appears on part of the internal surface of the glass bulb where the protective layer is not formed, so as to be exposed to the discharge space.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: June 23, 2009
    Assignee: Panasonic Corporation
    Inventors: Toshihiro Terada, Masanobu Murakami, Kazuhiro Matsuo, Taizou Ono, Hideki Wada, Shingo Tsutsumi, Mitsuharu Kawasaki, Hiroyuki Arata, Yuko Habuta, Tomokazu Matsuura, Hirofumi Yamashita
  • Patent number: 7547377
    Abstract: A coke-oven repairing apparatus comprising: a traveling carriage 3 which travels in the direction of coke oven battery with the carriage straddled on the rails placed on the top of a coke oven; a traversing carriage 4 provided on said traveling carriage 3, which moves in the direction orthogonal to the direction of coke oven battery; and a working device 5 for making repairs on the oven walls within the coke oven which is mounted on said traversing carriage 4, wherein the working device 5 includes: a guide post 31 which stands on the traversing carriage 4, and is also coupled, at its lower end portion, to a supporting portion provided on the traversing carriage through a pivot shaft 42; a lance 32 which ascends or descends along the guide post 31; and a derricking device 45 which tilts the guide post 31 between a forward-tilted posture and a backward-tilted posture using the pivot shaft 42 as the fulcrum to oscillate the lance 32 inserted in a coke-oven carbonizing chamber through a charging-hole, within
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: June 16, 2009
    Assignee: Kansai Coke and Chemicals Co., Ltd., The
    Inventors: Hironobu Inamasu, Nobuki Takayama, Shunji Horinouchi, Hirofumi Yamashita