Patents by Inventor Masahiro Hasegawa

Masahiro Hasegawa 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: 20130048267
    Abstract: A ventilation and air-conditioning apparatus includes a supply-air passage that leads from a supply-air intake port to a supply-air blowout port, a discharge-air passage that leads from a discharge-air intake port to a discharge-air blowout port, a heat exchanger that performs heat exchange between air currents flowing through a supply-air passage and a discharge-air passage, a supply-air blower that supplies air to a room, a discharge-air blower that discharges air outside a room, a damper that switches whether to pass discharge air through the heat exchanger, a temperature sensor that measures a temperature of air supplied to a room, and a control unit that controls the supply-air blower, the discharge-air blower, and the damper. The control unit controls a throttling degree of the damper based on an output of the temperature sensor so that a temperature of air supplied to a room approaches a predetermined temperature.
    Type: Application
    Filed: June 11, 2010
    Publication date: February 28, 2013
    Applicant: Mitsubishi Electric Corporation
    Inventors: Masayuki Koretomo, Masami Yasuda, Hidemoto Arai, Masahiro Hasegawa, Kenta Okeya
  • Patent number: 8385860
    Abstract: According to one embodiment, a power detector includes a reference voltage generator, a square signal generator, a detection circuit, and an output circuit. The reference voltage generator is configured to receive a bias voltage and generate a reference voltage. The square signal generator is configured to receive a voltage having a high frequency input voltage superimposed on the bias voltage and output a signal including the reference voltage, a voltage of a square of the high frequency input voltage, and a high-frequency signal. The detection circuit has a first lowpass filter, a first operational amplifier configured to amplify error between an output voltage of the first lowpass filter and the reference voltage and output the error as a control voltage, and a feedback transistor configured to feed a feedback current according to the control voltage back to an output terminal of the square signal generator.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: February 26, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takayuki Teraguchi, Masahiro Hasegawa, Noriyoshi Odaki, Shigehiro Hosoi, Takahiro Nakagawa
  • Patent number: 8329414
    Abstract: The purpose of the invention is to provide an antibody which recognizes OPN N-half but does not recognize the full-length OPN, and its use. A monoclonal antibody which is characterized in that it recognizes a protein or polypeptide in which the C-terminal amino acid sequence is YGLR (SEQ ID NO: 1) and it substantially does not recognize a protein or polypeptide which has an amino acid sequence of YGLR outside of the C-terminal, as well as a method for measuring OPN N-half utilizing the said antibody, a method for diagnosing diseases relating to OPN N-half, a method for judging the severity of said disease, and a method for treating said diseases, are provided.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: December 11, 2012
    Assignee: Immuno-Biological Laboratories Co., Ltd.
    Inventors: Hiroko Kobayashi, Masahiro Hasegawa, Tsutomu Seito
  • Publication number: 20120279359
    Abstract: An optical fiber jacket remover draws a glass fiber out from a coating by cutting the coating in a jacket removing portion and moving an optical fiber holding portion away from a jacket remover main unit in a heated state. The jacket removing portion is provided with a heater supporting member on which a heater is mounted. The heater supporting member is accommodated in a recessed receiving portion formed in a case. A heat insulating space is formed between the recessed receiving portion and the heater supporting member. A side surface of the heater supporting member and an inside surface of a lateral wall of the recessed receiving portion are brought into contact with each other via a lateral rib formed on the heater supporting member, and the heat insulating space is thereby blocked.
    Type: Application
    Filed: November 22, 2010
    Publication date: November 8, 2012
    Applicants: SEI OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toshihiko Homma, Masakazu Fukuda, Kiyoshi Nakazawa, Masahiro Hasegawa
  • Patent number: 8283894
    Abstract: There is provided a voltage measuring apparatus for measuring a voltage of an assembled battery in which a plurality of unit cells are connected in series. The voltage measuring apparatus comprises: block voltage detection sections, each section measuring a voltage of each block of a plurality of blocks into which the plurality of unit cells are divided; a reference voltage output section provided in each of the voltage detection sections to output a reference voltage; a difference voltage calculating section which calculates a difference voltage between measured values of the reference voltages measured by two block voltage detection sections; a difference voltage determination section which determines whether each of the difference voltages exceeds a given threshold voltage or not; and an abnormality determination section which determines that abnormality occurs in the voltage measuring apparatus when at least one of the difference voltages is determined as greater than the threshold voltage.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: October 9, 2012
    Assignee: Yazaki Corporation
    Inventors: Kimihiro Matsuura, Satoshi Ishikawa, Masashi Sekizaki, Masahiro Hasegawa
  • Publication number: 20120206665
    Abstract: The present invention is to provide a three-dimensional video recognition system, a video display device, and active shutter glasses (AS) in which, even when the observer's visual point and the inclination of the observer's face are changed, the reduction in the brightness of the screen can be suppressed, and in which a sufficient shutter effect can be obtained.
    Type: Application
    Filed: July 6, 2010
    Publication date: August 16, 2012
    Inventors: Akira Sakai, Kazuyoshi Sakuragi, Masahiro Hasegawa
  • Publication number: 20120200811
    Abstract: The present invention provides a liquid-crystal display device that can achieve high contrast ratios in a wide range of viewing angles and reduce coloration during black display.
    Type: Application
    Filed: May 20, 2010
    Publication date: August 9, 2012
    Inventors: Akira Sakai, Kazuyoshi Sakuragi, Masahiro Hasegawa
  • Patent number: 8237899
    Abstract: The present invention provides a liquid crystal display device having a high contrast ratio and no coloring during black display, over a wide viewing angle range. The liquid crystal display device of the present invention includes a reverse wavelength dispersion-type biaxial retardation film having R0(B)/R0(G) and Rth(B)/Rth(G) not greater than 0.965 and R0(R)/R0(G) and Rth(R)/Rth(G) not smaller than 1.015; and a vertical alignment liquid crystal cell that has a blue, a green, and a red color filter layer and that satisfies Rth_LC(B)/Rth_LC(G)?1.000 and Rth_LC(R)/Rth_LC(G)?1.000. R0(B), R0(G) and R0(R) denote the in-plane retardations of the retardation film at wavelengths 450 nm, 550 nm and 650 nm. Rth(B), Rth(G) and Rth(R), and Rth_LC(B), Rth_LC(G) and Rth_LC(R) respectively denote the thickness-direction retardations of the retardation film and the liquid crystal cell at wavelengths 450 nm, 550 nm and 650 nm.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: August 7, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akira Sakai, Masahiro Hasegawa, Ikuo Ninomiya
  • Publication number: 20120170899
    Abstract: There are provided a method for reinforcing a splice part and a reinforcing structure, which enable reinforcement of a splice part of optical fiber cores with sufficient strength.
    Type: Application
    Filed: March 10, 2010
    Publication date: July 5, 2012
    Applicants: NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION, SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toshihiko Homma, Kensuke Ito, Masahiro Hasegawa, Masayoshi Kagami, Sayuri Kagami, Naoto Tanaka
  • Publication number: 20120008669
    Abstract: According to one embodiment, a power detector includes a reference voltage generator, a square signal generator, a detection circuit, and an output circuit. The reference voltage generator is configured to receive a bias voltage and generate a reference voltage. The square signal generator is configured to receive a voltage having a high frequency input voltage superimposed on the bias voltage and output a signal including the reference voltage, a voltage of a square of the high frequency input voltage, and a high-frequency signal. The detection circuit has a first lowpass filter, a first operational amplifier configured to amplify error between an output voltage of the first lowpass filter and the reference voltage and output the error as a control voltage, and a feedback transistor configured to feed a feedback current according to the control voltage back to an output terminal of the square signal generator.
    Type: Application
    Filed: March 22, 2011
    Publication date: January 12, 2012
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takayuki Teraguchi, Masahiro Hasegawa, Noriyoshi Odaki, Shigehiro Hosoi, Takahiro Nakagawa
  • Publication number: 20110312000
    Abstract: The purpose of the invention is to provide an antibody which recognizes OPN N-half but does not recognize the full-length OPN, and its use. A monoclonal antibody which is characterized in that it recognizes a protein or polypeptide in which the C-terminal amino acid sequence is YGLR (SEQ ID NO: 1) and it substantially does not recognize a protein or polypeptide which has an amino acid sequence of YGLR outside of the C-terminal, as well as a method for measuring OPN N-half utilizing the said antibody, a method for diagnosing diseases relating to OPN N-half, a method for judging the severity of said disease, and a method for treating said diseases, are provided.
    Type: Application
    Filed: May 11, 2011
    Publication date: December 22, 2011
    Applicant: IMMUNO-BIOLOGICAL LABORATORIES CO., LTD.
    Inventors: Hiroko Kobayashi, Masahiro Hasegawa, Tsutomu Seito
  • Patent number: 8058737
    Abstract: An electronic element wafer module is provided, in which a transparent support substrate is disposed facing a plurality of electronic elements formed on a wafer and a plurality of wafer-shaped optical elements are disposed on the transparent support substrate, where a groove is formed along a dicing line between the adjacent electronic elements, penetrating from the optical elements through the transparent support substrate, with a depth reaching a surface of the wafer or with a depth short of the surface of the wafer; and a light shielding material is applied on side surfaces and a bottom surface of the groove or is filled in the groove, and the light shielding material is applied or formed on a peripheral portion of a surface of the optical element, except for on a light opening in a center of the surface.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: November 15, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masahiro Hasegawa, Aiji Suetake
  • Patent number: 8013954
    Abstract: The present invention provides a liquid crystal display that can have both sufficient front contrast ratio and front white brightness. The present invention is a liquid crystal display including: a front polarizing plate; a liquid crystal cell; a back polarizing plate; and an optical element providing a polarizing effect, the components being arranged in the stated order, wherein the back polarizing plate has a higher transmittance than the front polarizing plate, the back polarizing plate has a lower contrast than the front polarizing plate, and the optical element providing a polarizing effect has a principal transmittance k1 of 80 to 86%, and a principal transmittance k2 of 2 to 8%.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: September 6, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masahiro Hasegawa, Akira Sakai, Ikuo Ninomiya
  • Publication number: 20110199561
    Abstract: The present invention provides a liquid crystal display device which can ensure visibility and decrease coloring regardless of the direction of the screen, even if the screen is viewed through an optical member having a polarization function, such as polarized sunglasses. In at least one embodiment, a liquid crystal display device includes: a liquid crystal cell; and a first polarizing element disposed at an observation surface side of the liquid crystal cell, and the liquid crystal display device further includes a second polarizing element disposed at the observation surface side of the first polarizing element. It is preferable that the liquid crystal display device further includes a protective plate disposed between the first polarizing element and the second polarizing element.
    Type: Application
    Filed: October 21, 2010
    Publication date: August 18, 2011
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai
  • Patent number: 7999893
    Abstract: The present invention provides a complex birefringent medium, which has the so-called inverse wavelength dispersibility, that is, a wavelength dispersibility capable of giving an optimum phase difference to a light of a wide visible wavelength range, has a wide viewing angle, can be produced by a convenient method and is excellent in a degree of adjusting freedom of inverse wavelength dispersibility and in mass productivity, a polarizing plate and a liquid crystal display device.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: August 16, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akira Sakai, Takayuki Natsume, Masahiro Hasegawa, Kazuhiko Tsuda, Nobuaki Yamada
  • Publication number: 20110173803
    Abstract: A self-piercing rivet setting machine comprises a C-shaped arm and a receiver section disposed at one end of the C-shaped arm to receive a self-piercing rivet fed from a feeder. The receiver section has a rivet-reach detection sensor to detect the presence or absence of a self-piercing rivet in a driving chamber therein. If the rivet-reach detection sensor detects the absence of any self-piercing rivet in the driving chamber, the sensor outputs a signal to prevent a punch from being driven.
    Type: Application
    Filed: February 4, 2011
    Publication date: July 21, 2011
    Applicant: NEWFREY LLC
    Inventors: Nobuharu NAITO, Masahiro HASEGAWA, Itsuo ENDO, Misao TSUTSUMI, Takashige SEKIMOTO
  • Patent number: 7981672
    Abstract: The purpose of the invention is to provide an antibody which recognizes OPN N-half but does not recognize the full-length OPN, and its use. A monoclonal antibody which is characterized in that it recognizes a protein or polypeptide in which the C-terminal amino acid sequence is YGLR (SEQ ID NO: 1) and it substantially does not recognize a protein or polypeptide which has an amino acid sequence of YGLR outside of the C-terminal, as well as a method for measuring OPN N-half utilizing the said antibody, a method for diagnosing diseases relating to OPN N-half, a method for judging the severity of said disease, and a method for treating said diseases, are provided.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: July 19, 2011
    Assignee: Immuno-Biological Laboratories Co., Ltd.
    Inventors: Hiroko Kobayashi, Masahiro Hasegawa, Tsutomu Seito
  • Publication number: 20110109850
    Abstract: The present invention provides a liquid crystal display that can have both sufficient front contrast ratio and front white brightness. The present invention is a liquid crystal display including: a front polarizing plate; a liquid crystal cell; a back polarizing plate; and an optical element providing a polarizing effect, the components being arranged in the stated order, wherein the back polarizing plate has a higher transmittance than the front polarizing plate, the back polarizing plate has a lower contrast than the front polarizing plate, and the optical element providing a polarizing effect has a principal transmittance k1 of 80 to 86%, and a principal transmittance k2 of 2 to 8%.
    Type: Application
    Filed: October 8, 2009
    Publication date: May 12, 2011
    Inventors: Masahiro Hasegawa, Akira Sakai, Ikuo Ninomiya
  • Patent number: D641600
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: July 19, 2011
    Assignees: Sumitomo Electric Industries, Ltd., Sei Optifrontier Co., Ltd.
    Inventors: Masakazu Fukuda, Masahiro Hasegawa, Kiyoshi Nakazawa, Toshihiko Honma
  • Patent number: D657953
    Type: Grant
    Filed: December 27, 2010
    Date of Patent: April 24, 2012
    Assignees: Sumitomo Electric Industries, Ltd., SEI Optifrontier Co., Ltd.
    Inventors: Masahiro Hasegawa, Kiyoshi Nakazawa, Toshihiko Homma