Patents by Inventor Masato Otsuka

Masato Otsuka 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: 20100279331
    Abstract: The present invention provides a lipid membrane that contains a polypeptide consisting of the amino acid sequence of SEQ ID NO: 2, 4, 6, 8, or 22. Use of the present invention enables screening for a chemical which regulates excretion of a chemical and/or a waste. Furthermore, use of the present invention enables an arbitrary chemical to be tested for nephrotoxicity and/or hepatotoxicity.
    Type: Application
    Filed: June 17, 2010
    Publication date: November 4, 2010
    Applicant: Genomembrane, Inc.
    Inventors: Yoshinori Moriyama, Hiroshi Omote, Masato Otsuka, Takuya Matsumoto, Miki Hiasa
  • Patent number: 7821908
    Abstract: A single disc is configured to deal with both HD DVD information and DVD information. This invention has the following basic elements (1) a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second recording layer accessed with a second laser beam are arranged in that order in the direction in which a laser beam enters, (2) the areal recoding density of the second recording layer is three times or more that of the first recording layer, (3) information indicating that the second recording layer has been formed is formed in the first recording layer, and (4) information indicating that the first recording layer has been formed is formed in the second recording layer.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: October 26, 2010
    Assignees: Kabushiki Kaisha Toshiba, Memory-Tech Corporation
    Inventors: Toshihiro Sugaya, Hisashi Yamada, Masato Otsuka
  • Patent number: 7748050
    Abstract: An optical disc manufacturing apparatus (46) recording a BCA code constituted by plural marks and including a secret code which is modulated in a range capable of recognizing a position in a radial direction of an optical disc and/or a position in a track direction of the plural marks as the BCA code, a BCA history database (44) storing a history including a correspondence between the BCA code of an optical disc (1a) recording the BCA code and the secret code, and a management center (30) reading the BCA code and the secret code recorded on the optical disc so as to compare both on the basis of input of the correspondence between the BCA code and the secret code stored in the BCA history database (44) are employed, whereby an illegally manufactured optical disc (1z) can be easily found by inspecting the recorded BCA code and secret code.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: June 29, 2010
    Assignees: Memory-Tech Corporation, Hitachi Computer Peripherals Co., Ltd.
    Inventors: Masato Otsuka, Eiji Sahota, Yoshiharu Tami
  • Patent number: 7688702
    Abstract: A single-sided dual-layer optical disc comprising an optically transparent layer; a first recording layer accessed by a first laser beam; an intermediate layer; and a second recording layer accessed by a second laser beam, wherein the optically transparent layer, the first recording layer, the intermediate layer, and the second recording layer are sequentially disposed in a laser beam incidence direction, wherein a thickness of the optically transparent layer, which is a distance from a light incident surface to the first recording layer, is 550 to 575 ?m, wherein a thickness of the intermediate layer, which is a distance between the first and second recording layers, is 29 to 47 ?m, and wherein a surface recording density of the second recording layer is at least 3 times that of the first recording layer.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: March 30, 2010
    Assignees: Memory-Tech Corporation, Kabushiki Kaisha Toshiba
    Inventors: Masato Otsuka, Toshihiro Sugaya
  • Patent number: 7652967
    Abstract: An optical disc is based on the following the distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 ?m. The distance between the first and the third recording layer is a maximum of 72 ?m. The distance between the second and the third recording layer is a minimum of 15 ?m. The distance between the first and the second recording layer is about 31 to 40 ?m. The reflectivities of the first and the second recording layer with respect to the first laser beam are 18% or more, and the ratio between the reflectivities is about 1.15 or less. The areal recording density of the third recording layer is three times or more as high as the areal recording density of the first and the second recording layer.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: January 26, 2010
    Assignees: Kabushiki Kaisha Toshiba, Memory-Tech Corporation
    Inventors: Toshihiro Sugaya, Masato Otsuka
  • Patent number: 7570566
    Abstract: According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 ?m. The distance between the first and the third recording layer is a maximum of 72 ?m. The distance between the second and the third recording layer is a minimum of 15 ?m. The distance between the first and the second recording layer is about 31 to 40 ?m. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: August 4, 2009
    Assignees: Kabushiki Kaisha Toshiba, Memory-Tech Corporation
    Inventors: Toshihiro Sugaya, Masato Otsuka, Naomasa Nakamura, Nobuhisa Yoshida, Hisashi Yamada
  • Publication number: 20090072451
    Abstract: An optical disc manufacturing apparatus (46) recording a BCA code constituted by plural marks and including a secret code which is modulated in a range capable of recognizing a position in a radial direction of an optical disc and/or a position in a track direction of the plural marks as the BCA code, a BCA history database (44) storing a history including a correspondence between the BCA code of an optical disc (1a) recording the BCA code and the secret code, and a management center (30) reading the BCA code and the secret code recorded on the optical disc so as to compare both on the basis of input of the correspondence between the BCA code and the secret code stored in the BCA history database (44) are employed, whereby an illegally manufactured optical disc (1z) can be easily found by inspecting the recorded BCA code and secret code.
    Type: Application
    Filed: October 30, 2008
    Publication date: March 19, 2009
    Applicants: MEMORY-TECH CORPORATION, HITACHI COMPUTER PERIPHERALS,CO., LTD.
    Inventors: Masato Otsuka, Eiji Sahota, Yoshiharu Tami
  • Publication number: 20090042219
    Abstract: The present invention provides a lipid membrane that contains a polypeptide consisting of the amino acid sequence of SEQ ID NO: 2, 4, 6, 8, or 22. Use of the present invention enables screening for a chemical which regulates excretion of a chemical and/or a waste. Furthermore, use of the present invention enables an arbitrary chemical to be tested for nephrotoxicity and/or hepatotoxicity.
    Type: Application
    Filed: October 12, 2006
    Publication date: February 12, 2009
    Applicant: GENOMEMBRANE, INC.
    Inventors: Yoshinori Moriyama, Hiroshi Omote, Masato Otsuka, Takuya Matsumoto, Miki Hiasa
  • Patent number: 7477592
    Abstract: An optical disc of this invention is configured to be capable of dealing with both information in HD DVD and information in DVD.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: January 13, 2009
    Assignees: Kabushiki Kaisha Toshiba, Memory-Tech Corporation
    Inventors: Toshihiro Sugaya, Naomasa Nakamura, Nobuhisa Yoshida, Masato Otsuka
  • Publication number: 20080313584
    Abstract: A logic verification method is disclosed to a computer to conduct a logic verification process by using a state machine based on a verification property, including the steps of (a) displaying at lease one waveform generated based on a logic verification result of the logic verification process, (b) displaying the verification property, and controlling the step (a) and the step (b) in response to an operation input. The step (c) controls the step (b) to display a first respective portion of a description of the verification property corresponding to a first desired portion of the at least one waveform selected by the operation input by correlating to the first desired portion, by a different display method from other portions in response to the operation input onto the at least one waveform being displayed in the step (a).
    Type: Application
    Filed: March 19, 2008
    Publication date: December 18, 2008
    Applicant: FUJITSU LIMITED
    Inventor: Masato Otsuka
  • Publication number: 20070198794
    Abstract: An optical disc manufacturing apparatus (46) recording a BCA code constituted by plural marks and including a secret code which is modulated in a range capable of recognizing a position in a radial direction of an optical disc and/or a position in a track direction of the plural marks as the BCA code, a BCA history database (44) storing a history including a correspondence between the BCA code of an optical disc (1a) recording the BCA code and the secret code, and a management center (30) reading the BCA code and the secret code recorded on the optical disc so as to compare both on the basis of input of the correspondence between the BCA code and the secret code stored in the BCA history database (44) are employed, whereby an illegally manufactured optical disc (1z) can be easily found by inspecting the recorded BCA code and secret code.
    Type: Application
    Filed: February 16, 2005
    Publication date: August 23, 2007
    Inventors: Masato Otsuka, Eiji Sahota, Yoshiharu Tami
  • Publication number: 20070076544
    Abstract: One embodiment of the present invention is based on the following (1) An optical disc has a triple layer structure in which there are a light transmission layer, a first recording layer which is accessed with a first laser beam, and a second recording layer and a third recording layer which are accessed with a second laser beam. (2) The distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 ?m. (3) The distance between the first recording layer and the third recording layer is a maximum of 72 ?m. (4) The distance between the second recording layer and the third recording layer is a minimum of 19 ?m. (5) The distance between the first recording layer and the second recording layer is about 28 to 38 ?m.
    Type: Application
    Filed: September 19, 2006
    Publication date: April 5, 2007
    Inventors: Toshihiro Sugaya, Masato Otsuka
  • Publication number: 20070042294
    Abstract: According to one embodiment, an optical disc is the following the distance between a light incidence plane and the first recording layer is a minimum of 550 ?m. The distance between the first and the third recording layer is a maximum of 72 ?m. The distance between the second and the third recording layer is a minimum of 15 ?m. The distance between the first and the second recording layer is about 31 to 40 ?m. The reflectivities of the first and the second recording layer with respect to the first laser beam range from 18 to 27%, and the ratio therebetween is about 1.1 or less. The reflectivity of the third recording layer is below about 6%. The areal recording density of the third recording layer is three times or more as high as that of the first recording layer and the second recording layer.
    Type: Application
    Filed: August 16, 2006
    Publication date: February 22, 2007
    Inventors: Toshihiro Sugaya, Masato Otsuka, Naomasa Nakamura, Nobuhisa Yoshida, Hisashi Yamada
  • Publication number: 20070041295
    Abstract: An optical disc is based on the following the distance of the light transmission layer from a light incidence plane to the first recording layer is a minimum of 550 ?m. The distance between the first and the third recording layer is a maximum of 72 ?m. The distance between the second and the third recording layer is a minimum of 15 ?m. The distance between the first and the second recording layer is about 31 to 40 ?m. The reflectivities of the first and the second recording layer with respect to the first laser beam are 18% or more, and the ratio between the reflectivities is about 1.15 or less. The areal recording density of the third recording layer is three times or more as high as the areal recording density of the first and the second recording layer.
    Type: Application
    Filed: August 16, 2006
    Publication date: February 22, 2007
    Inventors: Toshihiro Sugaya, Masato Otsuka
  • Publication number: 20060126485
    Abstract: An optical disc of this invention is configured to be capable of dealing with both information in HD DVD and information in DVD.
    Type: Application
    Filed: December 5, 2005
    Publication date: June 15, 2006
    Applicants: KABUSHIKI KAISHA TOSHIBA, MEMORY-TECH CORPORATION
    Inventors: Toshihiro Sugaya, Naomasa Nakamura, Nobuhisa Yoshida, Masato Otsuka
  • Publication number: 20060120258
    Abstract: This invention enables a single disc to deal with HD DVD information and DVD information. An optical disc according to the present invention is basically specified by the following items (1) the optical disc is a single-sided dual layer optical disc, (2) the distance in the light transmission layer from an incidence plane to a first recording layer is 578 to (578+2p) ?m (2p is the maximum value of substrate thickness accuracy), (3) the distance in the space layer between the first recording layer and a second recording layer is (62?2p?2q) to (62?2p) ?m (2q is the maximum value of space layer thickness accuracy), and (4) the areal recording density of the first recording layer is three times or more as high as that of the second recording layer.
    Type: Application
    Filed: December 2, 2005
    Publication date: June 8, 2006
    Applicants: KABUSHIKI KAISHA TOSHIBA, MEMORY-TECH CORPORATION
    Inventors: Toshihiro Sugaya, Hisashi Yamada, Masato Otsuka
  • Publication number: 20060114808
    Abstract: A single disc is configured to deal with both HD DVD information and DVD information. This invention has the following basic elements (1) a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second recording layer accessed with a second laser beam are arranged in that order in the direction in which a laser beam enters, (2) the areal recoding density of the second recording layer is three times or more that of the first recording layer, (3) information indicating that the second recording layer has been formed is formed in the first recording layer, and (4) information indicating that the first recording layer has been formed is formed in the second recording layer.
    Type: Application
    Filed: November 30, 2005
    Publication date: June 1, 2006
    Applicants: MEMORY-TECH CORPORATION, KABUSHIKI KAISHA TOSHIBA
    Inventors: Toshihiro Sugaya, Hisashi Yamada, Masato Otsuka
  • Publication number: 20060092820
    Abstract: A single-sided dual-layer optical disc comprising an optically transparent layer; a first recording layer accessed by a first laser beam; an intermediate layer; and a second recording layer accessed by a second laser beam, wherein the optically transparent layer, the first recording layer, the intermediate layer, and the second recording layer are sequentially disposed in a laser beam incidence direction, wherein a thickness of the optically transparent layer, which is a distance from a light incident surface to the first recording layer, is 550 to 575 ?m, wherein a thickness of the intermediate layer, which is a distance between the first and second recording layers, is 29 to 47 ?m, and wherein a surface recording density of the second recording layer is at least 3 times that of the first recording layer.
    Type: Application
    Filed: June 29, 2005
    Publication date: May 4, 2006
    Inventors: Masato Otsuka, Toshihiro Sugaya
  • Patent number: 6851455
    Abstract: A fuel-filler tube, which is made of a welded pipe of corrosion-resistant austenitic or ferritic stainless steel, has a fuel-supply opening with high dimensional accuracy. The austenitic stainless steel has hardness of 180 HV or less with a work-hardening coefficient of 0.49 or less. The ferritic stainless steel has Lankford value of 1.2 or more with elongation of 30% or more by a uniaxial tensile test.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: February 8, 2005
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Masato Otsuka, Hanji Ishikawa, Satoshi Suzuki, Toshiro Adachi
  • Patent number: 6723181
    Abstract: A new soft stainless steel sheet has an austenite-stability index Md30 controlled in a range of −120 to −10 and a stacking fault formability index SFI controlled not less than 30, and involves precipitates whose Cu concentration is controlled not more than 1.0%, so as to maintain concentration of dissolved Cu at 1-5%. The stainless steel sheet preferably contains up to 0.06%(C+N), up to 2.0% Si, up to 5% Mn, 15-20% Cr, 5-9% Ni, 1.0-4.0% Cu, up to 0.003% Al, up to 0.005% S, and optionally one or more of up to 0.5% Ti, up to 0.5% Nb, up to 0.5% Zr, up to 0.5% V, up to 3.0% Mo, up to 0.03% B, up to 0.02% REM (rare earth metals) and up to 0.03% Ca. The stainless steel sheet can be plastically deformed to an objective shape without any cracks even at a part heavily-worked part by multi-stage deep drawing or compression deforming. Md30(° C.)=551−462(C+N)−9.2Si−8.1Mn−29(Ni+Cu)−13.7Cr−18.5Mo SFI(mJ/m2)=2.2Ni+6Cu−1.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: April 20, 2004
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Hanji Ishikawa, Masato Otsuka, Satoshi Suzuki, Hideki Tanaka, Junichi Katsuki, Takashi Yamauchi, Naoto Hiramatsu