Patents by Inventor Hiroyuki Ohkawa

Hiroyuki Ohkawa 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).

  • Patent number: 7553335
    Abstract: A scanning probe microscope probe is produced by depositing a raw-material film on the surface of a cone made of Si, etc. and growing a needle-like crystal by using the raw-material film by irradiating an energy beam to a point on the cone at a predetermined distance along the side surface from the cone tip under such conditions as not to melt the cone. Also, a charge density wave quantum phase microscope is provided which uses a probe made of a charge density wave crystal. Also, a charge density wave quantum interferometer is provided which uses the needle-like crystal formed from the charge density wave crystal. Also, the scanning probe microscope probe is formed from a pressure-induced superconducting substance.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: June 30, 2009
    Assignee: Japan Science and Technology Agency
    Inventors: Satoshi Tanda, Migaku Oda, Katsuhiko Inagaki, Hiroyuki Ohkawa, Takeshi Toshima, Naoki Momono, Munehiro Nishida, Masayuki Ido
  • Publication number: 20090153972
    Abstract: The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 18, 2009
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Nobuhiro NAKAMURA, Kazutaka Hayashi, Kenji Imakita, Hiroyuki Ohkawa, Hidefumi Odaka, Nao Ishibashi
  • Publication number: 20090121998
    Abstract: A liquid crystal display apparatus (1) wherein the shift registers of a source driver (4) are configured by use of asynchronous RS flip-flops in which an active input to a set input terminal has a higher priority than an active input to a reset terminal. In a second mode of operation, first and second clock signals and a start pulse are fixed at high levels, thereby performing discharges from all the pixels (PIX) of a liquid crystal panel (2).
    Type: Application
    Filed: November 30, 2006
    Publication date: May 14, 2009
    Inventors: Hiroyuki Ohkawa, Yuhichiroh Murakami, Sachio Tsujino
  • Publication number: 20080312063
    Abstract: The present invention provides an optical glass including, by mass %: 46 to 70 of B2O3; 3 to 10 of Li2O; 5 to 15 of Y2O3; 0 to 46 of SiO2: 0 to 20 of Al2O3: 0 to 40 of MgO+CaO+SrO+BaO; 0 to 30 of La2O3; and 0 to 10 of ZrO2+TiO2+Gd2O3.
    Type: Application
    Filed: August 21, 2008
    Publication date: December 18, 2008
    Applicant: ASAHI GLASS CO., LTD.
    Inventors: Hiroyuki OHKAWA, Jun Sasai, Naoki Sugimoto
  • Publication number: 20080207427
    Abstract: The object of the present invention is to provide an optical glass which has optical constants such as a refractive index of from 1.45 to 1.65 and an Abbe number of at least 65 and which is yet excellent in chemical durability. A phosphate optical glass comprising, as glass components by mass %, from 73 to 85 of P2O5, from 14 to 26 of Al2O3, from 1 to 12 of K2O+Li2O, from 0 to 12 of SiO2, from 0 to 12 of B2O3, from 0 to 12 of Na2O, from 0 to 12 of Y2O3, from 0 to 12 of La2O3, from 0 to 12 of MgO+CaO+SrO+BaO, from 0 to 10 of ZrO2+TiO2+Gd2O3, from 0 to 10 of Ta2O5+GeO2+Ga2O3+Nb2O5+WO3+TeO2, from 0 to 2 of Sb2O3, and from 0 to 12 of ZnO+PbO.
    Type: Application
    Filed: April 28, 2008
    Publication date: August 28, 2008
    Applicant: Asahi Glass Company, Limited
    Inventors: Hiroyuki Ohkawa, Naoki Sugimoto
  • Publication number: 20070272855
    Abstract: A scanning probe microscope probe is produced by depositing a raw-material film on the surface of a cone made of Si, etc. and growing a needle-like crystal by using the raw-material film by irradiating an energy beam to a point on the cone at a predetermined distance along the side surface from the cone tip under such conditions as not to melt the cone. Also, a charge density wave quantum phase microscope is provided which uses a probe made of a charge density wave crystal. Also, a charge density wave quantum interferometer is provided which uses the needle-like crystal formed from the charge density wave crystal. Also, the scanning probe microscope probe is formed from a pressure-induced superconducting substance.
    Type: Application
    Filed: April 22, 2005
    Publication date: November 29, 2007
    Inventors: Satoshi Tanda, Migaku Oda, Katsuhiko Inagaki, Hiroyuki Ohkawa, Takeshi Toshima, Naoki Momono, Munehiro Nishida, Masayuki Ido
  • Patent number: 7235525
    Abstract: An agent for treatment of metabolic bone disease, which contains EPO as an active ingredient, or a method for treating a patient with metabolic bone disease, which comprises EPO, is provided. Pharmaceutical products containing EPO as the active ingredient are novel prophylactic and therapeutic agents which show an ameliorative action by healing bone and bone marrow lesions in bone disease, especially bone disease based on impaired bone metabolism, aside from the previously reported erythrocyte increasing action of EPO. Pathological states, targeted by these pharmaceutical products, are bone diseases showing metabolic bone disorders, including renal failure-associated osteodystrophy, marble bone disease, diabetic nephropathy, and osteoporosis.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: June 26, 2007
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yoshihiro Motomiya, Yoshiyuki Moriguchi, Hiroyuki Ohkawa
  • Patent number: 7151523
    Abstract: A driving circuit of the present invention includes a signal line switching circuit section that connects each signal line with two adjacent ones of output stages of a shift register circuit, one of the two adjacent ones of output stages following the other, switches over so that the signal lines are, in the switching-over manner and in concert, driven either by the following output stages or by the followed output stages. Thus, it is possible to provide a driving circuit that can be freely placed in any manner, is suitable for many purposes, and is capable of switching shifting directions without needing inversion of a clock signal and without causing shift of pixels, and switching the shifting directions with a simple arrangement even if there are an even number of signal lines for driving effective pixel columns.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: December 19, 2006
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroyuki Ohkawa, Yasuyuki Ogawa, Tamotsu Sakai, Kazuhiro Maeda
  • Publication number: 20050176635
    Abstract: An agent for treatment of metabolic bone disease, which contains EPO as an active ingredient, or a method for treating a patient with metabolic bone disease, which comprises EPO, is provided. Pharmaceutical products containing EPO as the active ingredient are novel prophylactic and therapeutic agents which show an ameliorative action by healing bone and bone marrow lesions in bone disease, especially bone disease based on impaired bone metabolism, aside from the previously reported erythrocyte increasing action of EPO. Pathological states, targeted by these pharmaceutical products, are bone diseases showing metabolic bone disorders, including renal failure-associated osteodystrophy, marble bone disease, diabetic nephropathy, and osteoporosis.
    Type: Application
    Filed: June 6, 2003
    Publication date: August 11, 2005
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yoshihiro Motomiya, Yoshiyuki Moriguchi, Hiroyuki Ohkawa
  • Publication number: 20030193465
    Abstract: A driving circuit of the present invention includes a signal line switching circuit section that connects each signal line with two adjacent ones of output stages of a shift register circuit, one of the two adjacent ones of output stages following the other, switches over so that the signal lines are, in the switching-over manner and in concert, driven either by the following output stages or by the followed output stages. Thus, it is possible to provide a driving circuit that can be freely placed in any manner, is suitable for many purposes, and is capable of switching shifting directions without needing inversion of a clock signal and without causing shift of pixels, and switching the shifting directions with a simple arrangement even if there are an even number of signal lines for driving effective pixel columns.
    Type: Application
    Filed: April 9, 2003
    Publication date: October 16, 2003
    Inventors: Hiroyuki Ohkawa, Yasuyuki Ogawa, Tamotsu Sakai, Kazuhiro Maeda
  • Patent number: 4939602
    Abstract: A cassette holder mechanism includes right and left cassette holders independently supporting opposite side marginal portions of a cassette and having guide rollers inserted in guide holes of right and left chassis side walls. Each cassette holder includes a gap at its side portion which engages guide shafts attached to each chassis side wall.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: July 3, 1990
    Assignee: Clarion Co., Ltd.
    Inventors: Kimichika Yamada, Hitoshi Okada, Hidenori Muramatsu, Katsuya Nozawa, Yoshihiko Goto, Hiroyuki Ohkawa
  • Patent number: 4858042
    Abstract: A cassette insertion detection mechanism includes stoppers provided independently of a cassette holder and configured to hold one end surface of a cassette. The stoppers are movable with respect to the cassette holder and resiliently biased toward a front direction of the cassette holder. The stoppers turn on or off insertion detecting switches provided on side walls of a tape recording apparatus to activate a cassette loading driving motor to proceed a cassette loading operation when both insertion detecting switches are turned on or off by the stoppers.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: August 15, 1989
    Assignee: Clarion Co., Ltd.
    Inventors: Yukio Ito, Kimichika Yamada, Hiroyuki Ohkawa
  • Patent number: 4855848
    Abstract: A tape recorder for a cassette having an inner lid includes a misplate pivotably engaging a connection plate bridging right and left side plates. The misplate is pivotable within a limited angle to overhang a space defined by the side plates and the connection plate in order to reject double cassette insertion and prevent floating motion of the inner lid at a predetermined mode position.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: August 8, 1989
    Assignee: Clarion Co., Ltd.
    Inventors: Kimichika Yamada, Yukio Ito, Hiroyuki Ohkawa
  • Patent number: 4831473
    Abstract: A dust door mechanism in a tape player includes a dust door wider than a cassette insertion aperture, and a cassette holder which includes a major part narrower than the dust door and a front end defining a door accepting portion wider than the dust door.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: May 16, 1989
    Assignee: Clarion Co., Ltd.
    Inventors: Kimichika Yamada, Yukio Ito, Hiroyuki Ohkawa
  • Patent number: 4785362
    Abstract: A driving force branching gear mechanism, which is useful for a tape recorder provided with a rotary head, etc., is disclosed, in which a driving gear consisting of two great diameter cam gears fixed to each other in one body and two small diameter cam gears driven by the two great diameter cam gears, repsectively, are disposed and they are so arranged that each of the small diameter cam gears is driven, only when its gear section is in opposition to each of the great diameter cam gears and that its cut-off portion for fixation is located on the projecting portion of the cam section of each of the great diameter cam gears and fixed there, when the cam section of each of the small diameter cam gears is in opposition to the cut-off portion of the gear of each of the great diameter cam gears.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: November 15, 1988
    Assignee: Clarion Co., Ltd.
    Inventors: Katsuya Nozawa, Hidenori Muramatsu, Kimichika Yamada, Hitoshi Okada, Yoshihiko Goto, Hiroyuki Ohkawa