Patents by Inventor Masahiro Oka

Masahiro Oka 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: 20140094024
    Abstract: Disclosed is a plasma doping apparatus including a processing chamber, a substrate holding unit, a plasma generating mechanism, a pressure control mechanism, a bias power supply mechanism, and a control unit. The control unit controls the pressure within the processing chamber to be a first pressure and controls the bias power to be supplied to the holding unit is to be a first bias power for a first plasma process. The control unit also controls the pressure within the processing chamber to be a second pressure which is higher than the first pressure, and controls the bias power to be supplied to the holding unit to be a second bias power which is lower than the first bias power for a second plasma process.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Masahiro OKA, Yuuki KOBAYASHI, Hirokazu UEDA, Masahiro HORIGOME
  • Publication number: 20130184272
    Abstract: The problem of the present invention is to provide a compound useful for the prophylaxis or treatment of diseases related to the control of the differentiation of muscle cell or adipocyte differentiation, such as diabetes, obesity, dyslipidemia, and having a superior efficacy. The present invention provides an agent for the prophylaxis or treatment of diabetes, obesity or dyslipidemia, containing a compound represented by the formula (I) wherein each symbol is as defined in the DESCRIPTION, or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: September 16, 2011
    Publication date: July 18, 2013
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masahiro Oka, Yukio Yamada
  • Publication number: 20130067944
    Abstract: An operation control apparatus of air-conditioning apparatus having an outdoor unit and an indoor unit, includes a controller programmed to execute energy conservation control of the air conditioning apparatus. The controller includes at least one required temperature calculation part calculating a required evaporation temperature or a required condensation temperature based on either a current amount, of heat exchanged in a usage-side heat exchanger of the indoor unit and a greater amount of heat exchanged in the usage-side heat exchanger than the current amount, or an operating state amount that yields the current amount of heat exchanged in the usage-side heat exchanger and an operating state amount that yields the greater amount of heat exchanged in the usage-side heat exchanger than the current amount.
    Type: Application
    Filed: April 22, 2011
    Publication date: March 21, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kousuke Kibo, Kazuhiko Tani, Masahiro Oka, Shinichi Kasahara, Yasuyuki Aisaka, Shingo Ohnishi
  • Patent number: 8297073
    Abstract: An outdoor unit (20) including a compressor (21) and an outdoor heat exchanger (22) and an indoor unit (30) including an indoor heat exchanger (31) are provided. The outdoor unit (20) and the indoor unit (30) constitute a main circuit (43) of a refrigerant circuit (40). A sub-circuit (70) whose one end is connected to a liquid line (4a) of the main circuit (43) and another end is connected to a low-pressure gas line (4b) of the main circuit (43), and which stores refrigerant in the main circuit (43) is also provided. The sub-circuit (70) is located on a sub-passageway (71), and includes: a refrigerant regulator (72) for storing refrigerant in the main circuit (43); and a switch mechanism (73) for establishing and blocking communication between the refrigerant regulator (72) and each of the liquid line (4a) and the low-pressure gas line (4b). When the amount of refrigerant in the main circuit (43) is excessive, redundant refrigerant in the main circuit (43) is stored in the refrigerant regulator (72).
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: October 30, 2012
    Assignee: Daikin Industries, Ltd.
    Inventors: Satoshi Kawano, Shinya Matsuoka, Masahiro Oka, Kazuhide Mizutani
  • Patent number: 8280557
    Abstract: An air-conditioning apparatus includes first and second outdoor units having first and second outdoor heat exchangers and first and second heat source-side degree of subcooling adjustment devices configured to adjust first and second degrees of subcooling in outlet sides of the first and second outdoor heat exchangers, respectively. First and second outdoor-side determination units are configured to determine first and second degrees of subcooling, respectively. A controller is configured to control the first and second heat source-side degree of subcooling adjustment devices, respectively, such that a difference between the first degree of subcooling and the second degree of subcooling is reduced when refrigerant is charged into a refrigerant circuit having the first outdoor heat exchanger and the second outdoor heat exchanger.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: October 2, 2012
    Assignee: Daikin Industries, Ltd.
    Inventors: Satoshi Kawano, Masahiro Oka, Kazuhiko Tani, Atsushi Okamoto
  • Publication number: 20120204899
    Abstract: A lip cosmetic applicator device (1) including an applicator (2) for applying a cosmetic (4) to a lip and a receptacle (3) for containing the cosmetic (4). The applicator (2) is withdrawable from and insertable into the receptacle through a neck (33) of the receptacle (3). The applicator (2) includes a stem (22) and an applying portion (21) connected to one end of the stem (22). The applying portion (21) is a flattened shape and has an applying side (21A) for applying the cosmetic (4). When viewed from the front, the applying portion (21) has a widest part (21E) and gradually decreases in width from the widest part (21E) to a tip thereof. The applying side (21A) of the applying portion (21) is a concave surface having a concavity (21C) in a center thereof.
    Type: Application
    Filed: October 8, 2010
    Publication date: August 16, 2012
    Applicant: Kao Corporation
    Inventors: Kazuyuki Uehara, Yu Saito, Kenko Kurita, Masahiro Oka
  • Patent number: 8221637
    Abstract: According to one embodiment, a method for manufacturing a magnetic recording medium includes forming patterns having protrusions and recesses of a ferromagnetic material onto a recording track section and a servo section on a substrate, forming a flattening film, a top surface of which is higher than that of the protrusion of the ferromagnetic material, onto the ferromagnetic material, and performing ion beam etching onto the flattening film up to a top surface of the protrusion of the ferromagnetic material, and determining an end point of flattening etching on the basis of a change in the total number of incident particles by means of an ion counter installed so as to be at an angle ? with respect to a perpendicular direction to the substrate in accordance with a material of the flattening film.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: July 17, 2012
    Assignees: Kabushiki Kaisha Toshiba, Showa Denko K.K.
    Inventors: Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka
  • Patent number: 8116035
    Abstract: The invention provides a magnetic recording medium, and a magnetic recording and reproducing apparatus. The magnetic recording medium includes a substrate 11, an under layer 12 formed on the substrate 11, a magnetic recording layer 13 formed on the under layer 12, and a protective layer 14 formed on the magnetic recording layer 13. The magnetic recording layer 13 is composed of a primary recording layer 14 and a secondary recording layer 15 which are mutually exchange-coupled. The primary recording layer 14 has magnetic grains and a nonmagnetic material that surrounds the magnetic grains, and has a perpendicular magnetic anisotropy. The secondary recording layer 15 is made of a material having a negative crystal magnetic anisotropy and its easy plane of the magnetization is a plane of the medium.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: February 14, 2012
    Assignees: Tohoku University, Showa Denko K.K., Kabushiki Kaisha Toshiba
    Inventors: Migaku Takahashi, Masahiro Oka, Akira Kikitsu
  • Publication number: 20110192182
    Abstract: A humidity control apparatus includes a refrigerant circuit (50) which has a compressor (53), a main electric-operated expansion valve (55), and a first adsorption heat exchanger (51) and a second adsorption heat exchanger (52) on which adsorbent for adsorbing moisture in air is supported, and in which refrigerant reversibly circulates to perform a vapor compression refrigeration cycle. In the humidity control apparatus, refrigerant circulation in the refrigerant circuit (50) is reversibly switched to alternately perform an adsorption process and a recovery process with the adsorbent in the adsorption heat exchangers (51, 52), and the humidity of air passing through the adsorption heat exchangers (51, 52) is adjusted.
    Type: Application
    Filed: September 8, 2009
    Publication date: August 11, 2011
    Inventors: Hiroshi Noda, Nobuki Matsui, Masahiro Oka
  • Patent number: 7943248
    Abstract: Perpendicular magnetic recording media enabling high-density recording and reproduction of information, as well as a production process thereof, and a magnetic recording and reproducing apparatus, are provided. Perpendicular magnetic recording media, having at least a soft magnetic underlayer and perpendicular magnetic recording layer on a disc-shaped nonmagnetic substrate, in which the soft magnetic underlayer has at least two soft magnetic layers, and Ru or Re between the two soft magnetic layers, are provided; the easy axis of magnetization of the soft magnetic underlayer has a desired direction; the easy axis of magnetization of the soft magnetic underlayer is substantially distributed in a direction except a radial direction of the nonmagnetic substrate, and, the bias magnetic field of the antiferromagnetic coupling in the direction of the easy axis of magnetization of the soft magnetic underlayer is 10 Oersteds (790 A/m) or greater.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: May 17, 2011
    Assignees: Tohoku University, Showa Denko K.K., Kabushiki Kaisha Toshiba
    Inventors: Migaku Takahashi, Masahiro Oka, Akira Kikitsu
  • Patent number: 7879466
    Abstract: The invention provides a perpendicular recording medium with high recording density, and a magnetic recording and reproducing apparatus, by improving the function of magnetic anisotropy of a soft magnetic underlayer. The perpendicular recording medium has at least a soft magnetic underlayer and a perpendicular magnetic recording layer on a non-magnetic substrate, wherein when Ku? (erg/cm3) is defined as a perpendicular magnetic anisotropic energy, and Ms (emu/cm 3) is defined as a saturation magnetization of the soft magnetic underlayer, Ku? of the soft magnetic underlayer has a negative value and Ku?<?2?Ms2. As a result, the easy axis of a magnetization of a soft magnetic underlayer is oriented strongly in the substrate surface plane, which is effective to suppress the WATE phenomena and spike noise.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: February 1, 2011
    Assignees: Tohoku University, Showa Denko K.K., Kabushiki Kaisha Toshiba
    Inventors: Migaku Takahashi, Masahiro Oka, Akira Kikitsu
  • Patent number: 7862915
    Abstract: According to one embodiment, a multilayered underlayer including a first underlayer containing Cu aligned in a (111) plane and a second underlayer formed on the Cu underlayer and containing Cu and nitrogen as main components is formed.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: January 4, 2011
    Assignees: Tohoku University, Kabushiki Kaisha Toshiba, Showa Denko K.K.
    Inventors: Tomoyuki Maeda, Migaku Takahashi, Masahiro Oka
  • Publication number: 20100293975
    Abstract: An air conditioner includes a compressor, first and second heat exchangers connected with high pressure piping, low pressure piping connecting the second heat exchanger to a compressor suction port, a pressure reducing mechanism arranged to reduce pressure in the high pressure piping, a bypass passageway, a vessel connected to the bypass passageway, and first and second opening/closing mechanisms. The first heat exchanger is connected to a compressor discharge port. The bypass passageway is arranged to divert refrigerant from the high pressure piping to the low pressure piping without passing through the second heat exchanger. The first opening/closing mechanism is arranged to open/close a first portion of the bypass passageway that connects the high pressure piping to the vessel. The second opening/closing mechanism is arranged to open/close a second portion of the bypass passageway that connects an upper part of the vessel to the low pressure piping.
    Type: Application
    Filed: May 29, 2008
    Publication date: November 25, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoshi Kawano, Masahiro Oka, Kazuhiko Tani, Atsushi Okamoto
  • Publication number: 20100264019
    Abstract: According to one embodiment, a method for manufacturing a magnetic recording medium includes forming patterns having protrusions and recesses of a ferromagnetic material onto a recording track section and a servo section on a substrate, forming a flattening film, a top surface of which is higher than that of the protrusion of the ferromagnetic material, onto the ferromagnetic material, and performing ion beam etching onto the flattening film up to a top surface of the protrusion of the ferromagnetic material, and determining an end point of flattening etching on the basis of a change in the total number of incident particles by means of an ion counter installed so as to be at an angle ? with respect to a perpendicular direction to the substrate in accordance with a material of the flattening film.
    Type: Application
    Filed: July 2, 2010
    Publication date: October 21, 2010
    Applicants: KABUSHIKI KAISHA TOSHIBA, SHOWA DENKO K.K.
    Inventors: Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka
  • Patent number: 7771602
    Abstract: According to one embodiment, a method for manufacturing a magnetic recording medium includes forming patterns having protrusions and recesses of a ferromagnetic material onto a recording track section and a servo section on a substrate, forming a flattening film, a top surface of which is higher than that of the protrusion of the ferromagnetic material, onto the ferromagnetic material, and performing ion beam etching onto the flattening film up to a top surface of the protrusion of the ferromagnetic material, and determining an end point of flattening etching on the basis of a change in the total number of incident particles by means of an ion counter installed so as to be at an angle ? with respect to a perpendicular direction to the substrate in accordance with a material of the flattening film.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: August 10, 2010
    Assignees: Kabushiki Kaisha Toshiba, Showa Denko K.K.
    Inventors: Yoshiyuki Kamata, Katsuyuki Naito, Akira Kikitsu, Masatoshi Sakurai, Masahiro Oka
  • Publication number: 20100198415
    Abstract: An air-conditioning apparatus includes first and second outdoor units having first and second outdoor heat exchangers and first and second heat source-side degree of subcooling adjustment devices configured to adjust first and second degrees of subcooling in outlet sides of the first and second outdoor heat exchangers, respectively. First and second outdoor-side determination units are configured to determine first and second degrees of subcooling, respectively. A controller is configured to control the first and second heat source-side degree of subcooling adjustment devices, respectively, such that a difference between the first degree of subcooling and the second degree of subcooling is reduced when refrigerant is charged into a refrigerant circuit having the first outdoor heat exchanger and the second outdoor heat exchanger.
    Type: Application
    Filed: May 27, 2008
    Publication date: August 5, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Satoshi Kawano, Masahiro Oka, Kazuhiko Tani, Atsushi Okamoto
  • Patent number: 7744966
    Abstract: A production process of magnetic recording media is provided in which, when using an oxide magnetic material as a perpendicular magnetic recording layer and forming a carbon protective layer using a plasma CVD method, stripping of the carbon protective layer and separation of a lubrication layer can be prevented, and satisfactory recording and reproduction characteristics can be obtained.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: June 29, 2010
    Assignee: Showa Denko K.K.
    Inventor: Masahiro Oka
  • Publication number: 20100107660
    Abstract: A refrigerant charging device includes: an electric valve provided in a supply pipe; a flow rate control unit for controlling the degree of opening of the electric valve such that the flow rate in the supply pipe lies within a predetermined range, on the basis of a pressure difference between pressure of refrigerant supplied to the supply pipe and the pressure of refrigerant on the suction side of a compressor; an outdoor air temperature sensor for detecting outdoor air temperature; and a low-pressure side pressure sensor for detecting refrigerant pressure on the suction side of the compressor. The pressure difference is a difference between a saturation pressure corresponding to the outdoor air temperature detected by the outdoor air temperature sensor and refrigerant pressure detected by the low-pressure side pressure sensor.
    Type: Application
    Filed: April 7, 2008
    Publication date: May 6, 2010
    Inventors: Satoshi Kawano, Masahiro Oka, Kazuhiko Tani, Atsushi Okamoto
  • Publication number: 20100089085
    Abstract: An outdoor unit (20) including a compressor (21) and an outdoor heat exchanger (22) and an indoor unit (30) including an indoor heat exchanger (31) are provided. The outdoor unit (20) and the indoor unit (30) constitute a main circuit (43) of a refrigerant circuit (40). A sub-circuit (70) whose one end is connected to a liquid line (4a) of the main circuit (43) and another end is connected to a low-pressure gas line (4b) of the main circuit (43), and which stores refrigerant in the main circuit (43) is also provided. The sub-circuit (70) is located on a sub-passageway (71), and includes: a refrigerant regulator (72) for storing refrigerant in the main circuit (43); and a switch mechanism (73) for establishing and blocking communication between the refrigerant regulator (72) and each of the liquid line (4a) and the low-pressure gas line (4b). When the amount of refrigerant in the main circuit (43) is excessive, redundant refrigerant in the main circuit (43) is stored in the refrigerant regulator (72).
    Type: Application
    Filed: January 30, 2008
    Publication date: April 15, 2010
    Inventors: Satoshi Kawano, Shinya Matsuoka, Masahiro Oka, Kazuhide Mizutani
  • Patent number: 7687158
    Abstract: The invention provides a perpendicular magnetic recording medium in which the recording density is greatly increased with little deviation of the crystal structure. A perpendicular magnetic recording medium has at least a soft magnetic under layer, an orientation control layer, a perpendicular magnetic layer, and a protective layer, which are formed on a nonmagnetic substrate, the orientation control layer consisting of a plurality of layers including a seed layer and an intermediate layer from the substrate side. Preferably, the seed layer and the intermediate layer each have a hexagonal close-packed (hcp) structure, and the average grain size of the seed layer is between 8 nm and 20 nm. The main component of the seed layer is preferably Mg, and the main component of the intermediate layer is preferably Ru.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: March 30, 2010
    Assignees: Showa Denko K.K., Kabushiki Kaisha Toshiba
    Inventors: Migaku Takahashi, Masahiro Oka, Akira Kikitsu