Patents by Inventor Shuhei Yamamoto

Shuhei Yamamoto 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: 20140285804
    Abstract: A laser output measuring apparatus in which an optical separator is disposed in a position that is rotated by a predetermined angle about an optical axis of a laser beam converged by a lens, and further rotated by a predetermined angle about the optical axis of the laser beam and a straight line perpendicular to an incident surface of the laser beam.
    Type: Application
    Filed: December 27, 2011
    Publication date: September 25, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventors: Fumio Shoda, Hidenori Fukahori, Takayuki Yanagisawa, Mitoru Yabe, Tetsuya Nishimura, Shuhei Yamamoto, Yoko Inoue, Tetsuo Funakura
  • Patent number: 8842280
    Abstract: Disclosed is an analytical apparatus wherein a container is automatically transferred and the container is automatically closed with a cap member, said analytical apparatus being provided with a suitable mechanism that reliably closes the container. The analytical apparatus is provided with an optical sensor composed of at least one pair of a light source (4) and a light detector (5), which face each other with the container disposing position therebetween, and which are disposed such that the container disposing position is irradiated with light, and the analytical apparatus detects whether the container (1) is disposed or not or the absence/presence of the cap of the container, corresponding to a transmitted light quantity detected by means of the optical sensor. Thus, cap closing is prevented from being performed if there is no container, and the container is prevented from being transferred without the cap.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: September 23, 2014
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Shuhei Yamamoto, Minoru Sano, Akiyuki Nemoto, Michiru Fujioka
  • Patent number: 8743916
    Abstract: A plane waveguide type laser includes: a plate-shaped laser medium; a semiconductor laser which causes excitation light to enter an end surface of the laser medium; first and second claddings which are bonded to lower and upper surfaces of the laser medium, respectively, to form a waveguide in a vertical direction; a comb heat sink bonded to a lower surface of the first cladding; and a thermal lens producing portion bonded to an upper surface of the second cladding. In this structure, laser oscillation in the vertical direction is performed in a waveguide mode of the laser medium, and the thermal lens producing portion forms a periodic lens effect in the laser medium to perform laser oscillation in a lateral direction in a plurality of resonant modes.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: June 3, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shuhei Yamamoto, Yosuke Akino, Takayuki Yanagisawa, Yoshihito Hirano
  • Patent number: 8705586
    Abstract: To suppress the amplification of spontaneous emission light in a principal plane width direction to thereby suppress a gain in directions other than a beam axis direction and output a high-power laser, in a solid-state laser element of a plane waveguide type that causes a fundamental wave laser beam to oscillate in a beam axis direction in a laser medium of a flat shape and forms a waveguide structure in a thickness direction as a direction perpendicular to a principal plane of the flat shape in the laser medium, inclined sections 12 are provided on both sides of the laser medium, the inclined sections 12 inclining a predetermined angle to reflect spontaneous emission light in the laser medium to a principal plane side of the flat shape, the spontaneous emission light traveling in the beam axis direction and a principal plane width direction as a direction perpendicular to the thickness direction.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: April 22, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shuhei Yamamoto, Takayuki Yanagisawa, Yasuharu Koyata, Yoshihito Hirano
  • Patent number: 8703443
    Abstract: There are provided a microorganism characterized by producing poly-?-L-glutamate with a molecular weight of 1,300,000 or greater and uniform optical purity under liquid culture conditions, a method of screening for the microorganism, a method of producing poly-?-L-glutamate having large molecular weight by using the microorganism, and poly-?-L-glutamate having an average molecular weight of 1,300,000 or greater. In addition, usages of these are provided.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: April 22, 2014
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Shuhei Yamamoto, Masaru Kitagawa, Michiko Suzuki, Atsushi Sogabe, Makoto Ashiuchi
  • Patent number: 8705165
    Abstract: An optical wavelength conversion element includes: a wavelength conversion waveguide that has a periodic polarization reversal structure having alternately and cyclically formed domains of which polarization directions are inverted, that guides light as a fundamental wave corresponding to the periodic polarization reversal structure, and performs a wavelength conversion of the guided fundamental wave; a first clad that is made of a dielectric having a refractive index lower than that of the wavelength conversion waveguide and is provided in contact with the domains; a second clad that is made of a dielectric having a refractive index lower than that of the wavelength conversion waveguide and is provided in contact with the domains such that the second clad is opposed to the first clad film; a first conducting unit that electrically connects the domains in parallel via the first clad; and a second conducting unit that electrically connects the domains in parallel via the second clad.
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: April 22, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yosuke Akino, Yoshihito Hirano, Takayuki Yanagisawa, Shuhei Yamamoto, Tsutomu Nagatsuka, Toshiyuki Ando
  • Publication number: 20140091198
    Abstract: A laser output measurement mechanism includes a light splitter that is disposed in a state rotated by a predetermined angle about an optical axis of laser light incident thereon, and that reflects a part of the laser light according to a Fresnel reflectivity that depends on a polarization direction and an incident angle of the laser light at a reflection surface thereof, and a light detector that measures an intensity of the laser light reflected by the light splitter.
    Type: Application
    Filed: October 11, 2011
    Publication date: April 3, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventors: Fumio Shoda, Hidenori Fukahori, Takayuki Yanagisawa, Mitoru Yabe, Tetsuya Nishimura, Shuhei Yamamoto, Yoko Inoue, Tetsuo Funakura
  • Patent number: 8559477
    Abstract: A planar waveguide laser device forms a waveguide by a plate-like laser medium (1) having birefringence and clad (2a, 2b) attached to at least one of the surfaces of the laser medium (1) perpendicular to its thickness direction, amplifies laser light by a gain produced by excitation light incident on the laser medium (1), and performs laser oscillation. The laser medium (1) is formed of a material having an optic axis on a cross section perpendicular to the light axis, which is the laser travelling direction. The clad (2a, 2b) is formed of a material having a refractive index in a range between refractive indexes of two polarized lights that travel along the light axis in the laser medium (1) and have oscillation surfaces that are orthogonal to each other. The planar waveguide laser device readily oscillates linearly polarized laser light.
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: October 15, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takayuki Yanagisawa, Yoshihito Hirano, Shuhei Yamamoto, Yasuharu Koyata
  • Patent number: 8558108
    Abstract: An electron donating organic material includes a benzothiadiazole compound including (a) a benzothiadiazole skeleton and (b) an oligothiophene skeleton, and having a band gap (Eg) of 1.8 eV or less, and a level of highest occupied molecular orbital (HOMO) of ?4.8 eV or less, wherein said benzothiadiazole compound is formed by covalently combining the benzothiadiazole skeleton and the oligothiophene skeleton alternately, a proportion between the benzothiadiazole skeleton and the oligothiophene skeleton is within a range of 1:1 to 1:2 (however, excluding 1:1), and the number of thiophene rings contained in an oligothiophene skeleton is 3 or more and 12 or less.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: October 15, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Kitazawa, Shuhei Yamamoto, Jun Tsukamoto
  • Patent number: 8553828
    Abstract: A clock data restoration device (1A) includes a sampler portion (11), a phase comparison portion (12), a drive portion (13), a charge pump (14), a capacitive element (15), a potential adjustment portion (16) and a voltage control oscillator (17). The phase comparison portion (12) outputs a signal (UP) that becomes a significant value when the phase of a clock (CKX) delays with respect to an input digital signal, and outputs a signal (DN) that becomes a significant value when the phase advances. The drive portion (13) increases or decreases a value ? to or from a variable ? when the signals (UP) and (DN) become a significant value, and increases or decrease a value N to or from the variable ? when the value of the variable ? is equal to or more than +N or when the value of the variable ? is equal to or less than ?N, and signals (UPFRQ) and (DNFRQ) are output to the charge pump (14).
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: October 8, 2013
    Assignee: Thine Electronics, Inc.
    Inventors: Seiichi Ozawa, Shuhei Yamamoto
  • Patent number: 8517542
    Abstract: A laser illumination device for providing a light intensity distribution of a high-intensity and uniform illumination light flux is obtained. The device includes a plurality of light source modules (20) each including: a plurality of light source units (8), in each of which a semiconductor laser (1), and a laser medium (5) and a nonlinear material (7) which are flat-shaped and have a waveguide structure are arranged on the same plane, for performing continuous oscillation in a waveguide mode of the laser medium (5); and a first optical system (12) for coupling laser oscillation beams from the plurality of light source units (8).
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: August 27, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takao Endo, Shuhei Yamamoto, Yoshihito Hirano, Yasuhisa Tamagawa
  • Patent number: 8513990
    Abstract: In a PLL frequency synthesizer, a loop is constituted by a phase comparison unit, a gate unit, a charge pump, a capacitive element, a potential adjustment unit, a voltage-controlled oscillator, and a feedback division unit. In this loop, the gate unit and the charge pump are provided in parallel with the potential adjustment unit. A charging/discharging current is input from the charge pump to the capacitive element and the potential of a first end of the capacitive element is adjusted by the potential adjustment unit, so that a phase difference between a reference oscillation signal and a feedback oscillation signal input to the phase comparison unit is small.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: August 20, 2013
    Assignee: Thine Electronics, Inc.
    Inventors: Seeichi Ozawa, Shuhei Yamamoto
  • Publication number: 20130208223
    Abstract: In a conventional bistable liquid crystal device, switching characteristics fluctuate among panels and there is a problem in mass productivity. As an intermediate layer, an uneven film is inserted between a low anchoring layer and ITO. The uneven film has an average surface roughness of 2 nm or less, which is measured by an atomic force microscope. In this manner, the low anchoring layer is not affected by the surface shape of the ITO film which differs among panels, and the switching characteristics are stabilized.
    Type: Application
    Filed: July 7, 2011
    Publication date: August 15, 2013
    Applicant: SEIKO INSTRUMENTS INC.
    Inventors: Shigeru Senbonmatsu, Shuhei Yamamoto
  • Patent number: 8501901
    Abstract: A photovoltaic device has a high photoelectric conversion efficiency with a material for a photovoltaic device including an electron donating organic material having a structure represented by Formula (1):
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: August 6, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Daisuke Kitazawa, Shuhei Yamamoto, Nobuhiro Watanabe, Jun Tsukamoto
  • Publication number: 20130121882
    Abstract: A dispensing device that achieves both of preventing cross-contamination between reagents and attaching a lid to a reagent container is provided. The dispensing device of the present invention includes a dispensing nozzle 10 that aspirates and discharges liquid, a lid opening and closing part 26 that projects downward to be lower than the dispensing nozzle 10, and a drive unit that makes the dispensing nozzle 10 and the lid opening and closing part 26 drive in the vertical direction, in which the dispensing nozzle 10 drives in the vertical direction independently of the lid opening and closing part 26. The dispensing device that achieves both of preventing cross-contamination between the reagents and attaching the lid to the reagent container can be provided.
    Type: Application
    Filed: July 6, 2011
    Publication date: May 16, 2013
    Inventors: Ryusuke Kimura, Yoshiyuki Shoji, Shuhei Yamamoto
  • Publication number: 20130121355
    Abstract: In a laser device, a control range of focal distance of a generated thermal lens is broadened and reliability is improved. A mode control waveguide-type laser device includes: a planar laser medium having a waveguide structure in a thickness direction of a cross section perpendicular to an optical axis, for generating gain with respect to laser light; a cladding bonded onto the laser medium; and a heat sink bonded onto the laser medium. The laser medium generates a lens effect, and the laser light oscillates in a waveguide mode in the thickness direction, and oscillates in a spatial mode due to the lens effect in a direction perpendicular to the optical axis and the thickness direction. The refractive index distribution within the laser medium is created by generating a temperature distribution in the laser medium depending on a junction area of the cladding and the heat sink.
    Type: Application
    Filed: December 21, 2010
    Publication date: May 16, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Noriyuki Miyamoto, Shuhei Yamamoto, Takayuki Yanagisawa, Yoshihito Hirano
  • Publication number: 20130017595
    Abstract: Disclosed is an analytical apparatus wherein a container is automatically transferred and the container is automatically closed with a cap member, said analytical apparatus being provided with a suitable mechanism that reliably closes the container. The analytical apparatus is provided with an optical sensor composed of at least one pair of a light source (4) and a light detector (5), which face each other with the container disposing position therebetween, and which are disposed such that the container disposing position is irradiated with light, and the analytical apparatus detects whether the container (1) is disposed or not or the absence/presence of the cap of the container, corresponding to a transmitted light quantity detected by means of the optical sensor. Thus, cap closing is prevented from being performed if there is no container, and the container is prevented from being transferred without the cap.
    Type: Application
    Filed: December 22, 2010
    Publication date: January 17, 2013
    Applicant: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Shuhei Yamamoto, Minoru Sano, Akiyuki Nemoto, Michiru Fujioka
  • Publication number: 20120329143
    Abstract: A chilled reagent container comprises a reagent vessel containing part for containing therein a plurality of reagent vessels, a container lid including a container lid hole through which the reagent vessels contained by the reagent vessel containing part are accessible, and a cooling block for cooling the reagent vessels contained by the reagent vessel containing part, wherein the container lid slides to be changeable between an opened situation wherein the reagent is accessible from an outside and a closed situation wherein the reagent is prevented from being accessed from the outside, wherein the chilled reagent container further comprises a reagent container packing including another hole through which the reagent vessels are accessible and arranged between the container lid and the reagent vessel containing part to be pressed against the container lid.
    Type: Application
    Filed: June 25, 2012
    Publication date: December 27, 2012
    Applicant: Hitachi High-Technologies Corporation
    Inventors: Motohiro Yamazaki, Ryoji Inaba, Shuhei Yamamoto, Takuya Matsui, Kohshi Maeda, Yuichiro Ota, Hiroyuki Higashino
  • Publication number: 20120263200
    Abstract: A laser module includes: a heat sink that releases heat from a member in contact with the heat sink; a sub-mount substrate that is disposed on the heat sink and made of an insulating material; a feeding layer that is disposed on the sub-mount substrate; and a laser diode array that has plural light-emitting portions disposed on the feeding layer in a parallel arrangement. A linear expansion coefficient of the sub-mount substrate is made smaller than a linear expansion coefficient of the laser diode array, and the linear expansion coefficient of the sub-mount substrate in a state connected to the heat sink having a larger linear expansion coefficient than the laser diode array is set to fall within a predetermined range including the linear expansion coefficient of the laser diode array.
    Type: Application
    Filed: December 16, 2010
    Publication date: October 18, 2012
    Applicant: Mitsubishi Electric Corporation
    Inventors: Motoaki Tamaya, Chise Nanba, Takayuki Yanagisawa, Shinichi Oe, Shuhei Yamamoto, Akira Yokoyama
  • Publication number: 20120187990
    Abstract: A clock data restoration device (1A) includes a sampler portion (11), a phase comparison portion (12), a drive portion (13), a charge pump (14), a capacitive element (15), a potential adjustment portion (16) and a voltage control oscillator (17). The phase comparison portion (12) outputs a signal (UP) that becomes a significant value when the phase of a clock (CKX) delays with respect to an input digital signal, and outputs a signal (DN) that becomes a significant value when the phase advances. The drive portion (13) increases or decreases a value ? to or from a variable ? when the signals (UP) and (DN) become a significant value, and increases or decrease a value N to or from the variable ? when the value of the variable ? is equal to or more than +N or when the value of the variable ? is equal to or less than ?N, and signals (UPFRQ) and (DNFRQ) are output to the charge pump (14).
    Type: Application
    Filed: July 14, 2010
    Publication date: July 26, 2012
    Applicant: THINE ELECTRONICS, INC.
    Inventors: Seiichi Ozawa, Shuhei Yamamoto