Patents by Inventor Masahiko Takahashi
Masahiko Takahashi 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).
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Patent number: 9644631Abstract: In a multi-blade centrifugal fan in which an impeller is provided in a scroll casing in a freely rotatable manner, the scroll casing is provided with an axially expanded portion that forms an air channel at a bottom surface thereof which is expanded in a rotation-axis direction at a radially outer side of an annular flange portion which supports the impeller; and is provided, in a region of an outlet between a tongue portion and a spiral-end portion of the scroll casing in the axially expanded portion, with a protrusion that protrudes radially outward from a radially inner side surface by a predetermined amount so as to directly face an airflow in a circumferential direction.Type: GrantFiled: March 17, 2015Date of Patent: May 9, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tsuyoshi Eguchi, Atsushi Suzuki, Seiji Sato, Masahiko Takahashi
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Publication number: 20170122623Abstract: In one embodiment, a solar heat collecting system includes a heat collector configured to heat a heat medium by a sunray. The system further includes a heater configured to heat a heating target fluid by the heat medium. The system further includes a heat medium pipe configured to circulate the heat medium between the heat collector and the heater. The system further includes a temperature sensor configured to measure a temperature of the heat medium flowing from the heat collector toward the heater, at a position located upstream of an initial bent portion of the heat medium pipe in a region where the heat medium pipe extends from the heat collector toward the heater. The system further includes a controller configured to control heating of the heat medium in accordance with the temperature of the heat medium measured by the temperature sensor.Type: ApplicationFiled: October 28, 2015Publication date: May 4, 2017Applicant: Kabushiki Kaisha ToshibaInventors: Koichi GOTO, Masahiko TAKAHASHI, Katsuya YAMASHITA, Nobuo OKITA
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Publication number: 20170116151Abstract: This computer system improves the ease with which a guest OS and remote device can be connected in a configuration combining pass-through technology and bus extension technology. The computer system is provided with a bus extending means for constructing a virtual bus to one or more remote devices connected via a network, and an executing means for configuring a virtual hardware environment and executing a host operating system for causing a guest operating system to control the remote device(s). The bus extending means comprises a communication controlling means for consulting a management table for managing relationships of correspondence between the guest operating system and the remote device(s) by using identification information that does not change depending on the startup state of the remote device(s), and controlling communication between the guest operating system and the remote device(s).Type: ApplicationFiled: June 5, 2015Publication date: April 27, 2017Applicant: NEC CORPORATIONInventor: Masahiko TAKAHASHI
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Publication number: 20170109310Abstract: This invention expands the scope of application of a pass-through technology in which a guest OS directly controls a remote device that is connected via a network. This data-processing apparatus is provided with a host OS that provides a virtual hardware environment to a guest OS that performs I/O processing with respect to a device implemented in a remote apparatus connected via a network. The host OS has a bus extension unit that traps I/O instructions issued by the guest OS, encapsulates the trapped I/O instructions, and delivers the encapsulated I/O instructions to the remote apparatus as network packets.Type: ApplicationFiled: February 27, 2015Publication date: April 20, 2017Applicant: NEC CORPORATIONInventors: Masahiko TAKAHASHI, Youichi HIDAKA
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Patent number: 9423610Abstract: An optical scanning apparatus has a first scanning optical element having a negative power in a sub-scanning direction. A first light beam and a second light beam enter the first scanning optical element through points of an input surface on a same side of a reference surface, which includes an optical axis of the first scanning optical element and being parallel to a main-scanning direction. The second light beam makes a greater angle with the reference surface than the first light beam. A first angle between the reference surface and a principal ray of a first ghost light beam is greater than a second angle between the reference surface and a principal ray of a first normal light beam and is smaller than a third angle between the reference surface and a principal ray of a second normal light beam.Type: GrantFiled: January 14, 2016Date of Patent: August 23, 2016Assignee: KONICA MINOLTA, INC.Inventors: Makoto Ooki, Masahiko Takahashi, Wataru Senoo
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Publication number: 20160209644Abstract: An optical scanning apparatus has a first scanning optical element having a negative power in a sub-scanning direction. A first light beam and a second light beam enter the first scanning optical element through points of an input surface on a same side of a reference surface, which includes an optical axis of the first scanning optical element and being parallel to a main-scanning direction. The second light beam makes a greater angle with the reference surface than the first light beam. A first angle between the reference surface and a principal ray of a first ghost light beam is greater than a second angle between the reference surface and a principal ray of a first normal light beam and is smaller than a third angle between the reference surface and a principal ray of a second normal light beam.Type: ApplicationFiled: January 14, 2016Publication date: July 21, 2016Applicant: KONICA MINOLTA, INC.Inventors: Makoto OOKI, Masahiko TAKAHASHI, Wataru SENOO
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Patent number: 9362135Abstract: A semiconductor device manufacturing method, the method including: forming an insulation layer having a protruding portion, the insulation layer having a surface and a rising surface that protrudes upward from the surface, on a semiconductor substrate; forming a conductive layer to cover the insulation layer having the protruding portion; and removing a predetermined region of the conductive layer by patterning the predetermined region according to an etching process using microwave plasma, which uses a microwave as a plasma source, while applying bias power of 70 mW/cm2 or above on the semiconductor substrate, under a high pressure condition of 85 mTorr or above.Type: GrantFiled: May 1, 2015Date of Patent: June 7, 2016Assignee: TOKYO ELECTRON LIMITEDInventors: Tetsuya Nishizuka, Masahiko Takahashi
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Patent number: 9305691Abstract: According to one embodiment, a superconducting magnet apparatus includes: a first superconducting coil and a second superconducting coil respectively arranged in a vacuum container; a first cooling unit configured to cool the first superconducting coil; and a second cooling unit configured to cool the second superconducting coil and controlled independently from the first cooling unit by a cooling method different from the cooling method of the first cooling unit.Type: GrantFiled: June 26, 2014Date of Patent: April 5, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Masahiko Takahashi, Taizo Tosaka, Hiroshi Miyazaki, Sadanori Iwai
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Patent number: 9291748Abstract: The anti-reflection structure includes a graded refractive index layer that is disposed on a substrate and whose refractive index decreases as a distance from the substrate increases, and a homogeneous layer that is disposed on the graded refractive index layer and whose refractive index is homogeneous. The structure satisfies a condition of nb?na>0.10 where na represents the refractive index of the homogenous layer, and nb represents a homogenous layer side effective refractive index of the graded index refractive index layer.Type: GrantFiled: April 1, 2011Date of Patent: March 22, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Kazuhiko Momoki, Hirokatsu Miyata, Masahiko Takahashi, Daisuke Sano
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Patent number: 9280498Abstract: A CPU 80 controls data transfer from a first device to a second device in a kernel mode. A main memory 90 stores data to be transferred from the first device to the second device. The CPU 80 has: a first device control means 81 which controls the first device; a second device control means which controls the second device; and a data transfer control means 83 which makes a read instruction which instructs the first device control means 81 to store data read from the first device in the main memory 3, and makes a write instruction which instructs the second device control means 82 to write the data stored in the main memory 3 in the second device.Type: GrantFiled: February 23, 2012Date of Patent: March 8, 2016Assignee: NEC CORPORATIONInventors: Jun Suzuki, Masahiko Takahashi, Youichi Hidaka, Teruyuki Baba, Takashi Yoshikawa
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Patent number: 9137271Abstract: A switching system in which a unique additional address is used for each session, and session information is transferred as it is without rewriting the session information when a communication device such as a server is switched, a switching method, and a switching program are disclosed. The switching system comprises a switching device (210) for selecting an address for each session from a first communication device, attaching the address to a packet from the first communication device in place of a destination address of the packet, and sending the packet, a dispatcher (240) for setting up a session with the first communication device, selecting a server to deal with the request from the first communication device, and transferring the set up session to a second communication device, and servers (250-1, . . . , 250-n) for taking over the session transferred by the dispatcher and dealing with the request from the first communication device.Type: GrantFiled: February 8, 2013Date of Patent: September 15, 2015Assignee: NEC CORPORATIONInventor: Masahiko Takahashi
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Publication number: 20150235867Abstract: A semiconductor device manufacturing method, the method including: forming an insulation layer having a protruding portion, the insulation layer having a surface and a rising surface that protrudes upward from the surface, on a semiconductor substrate; forming a conductive layer to cover the insulation layer having the protruding portion; and removing a predetermined region of the conductive layer by patterning the predetermined region according to an etching process using microwave plasma, which uses a microwave as a plasma source, while applying bias power of 70 mW/cm2 or above on the semiconductor substrate, under a high pressure condition of 85 mTorr or above.Type: ApplicationFiled: May 1, 2015Publication date: August 20, 2015Inventors: Tetsuya NISHIZUKA, Masahiko TAKAHASHI
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Publication number: 20150192135Abstract: In a multi-blade centrifugal fan in which an impeller is provided in a scroll casing in a freely rotatable manner, the scroll casing is provided with an axially expanded portion that forms an air channel at a bottom surface thereof which is expanded in a rotation-axis direction at a radially outer side of an annular flange portion which supports the impeller; and is provided, in a region of an outlet between a tongue portion and a spiral-end portion of the scroll casing in the axially expanded portion, with a protrusion that protrudes radially outward from a radially inner side surface by a predetermined amount so as to directly face an airflow in a circumferential direction.Type: ApplicationFiled: March 17, 2015Publication date: July 9, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tsuyoshi Eguchi, Atsushi Suzuki, Seiji Sato, Masahiko Takahashi
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Publication number: 20150160377Abstract: Provided are an antireflection film having a high antireflection effect and a production process therefor, an optical member excellent in antireflection effect, a water-repellent film having excellent water repellency, a substrate for mass spectrometry having high detection sensitivity, a high-accuracy phase plate, and a fine structure that can be used in the foregoing and a production process therefor. The fine structure is a structure, including multiple conical portions on a surface thereof, in which the conical portions have a mesostructure; and the mesostructure includes a structure having mesopores.Type: ApplicationFiled: July 3, 2013Publication date: June 11, 2015Inventors: Kazuyuki Kuroda, Shin Kitamura, Hirokatsu Miyata, Masahiko Takahashi, Yosuke Kanno
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Patent number: 9048182Abstract: A semiconductor device manufacturing method, the method including: forming an insulation layer having a protruding portion, the insulation layer having a surface and a rising surface that protrudes upward from the surface, on a semiconductor substrate; forming a conductive layer to cover the insulation layer having the protruding portion; and removing a predetermined region of the conductive layer by patterning the predetermined region according to an etching process using microwave plasma, which uses a microwave as a plasma source, while applying bias power of 70 mW/cm2 or above on the semiconductor substrate, under a high pressure condition of 85 mTorr or above.Type: GrantFiled: February 24, 2014Date of Patent: June 2, 2015Assignee: TOKYO ELECTRON LIMITEDInventors: Tetsuya Nishizuka, Masahiko Takahashi
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Patent number: 9011092Abstract: In a multi-blade centrifugal fan in which an impeller is provided in a scroll casing in a freely rotatable manner, the scroll casing is provided with an axially expanded portion that forms an air channel at a bottom surface thereof which is expanded in a rotation-axis direction at a radially outer side of an annular flange portion which supports the impeller; and is provided, in a region of an outlet between a tongue portion and a spiral-end portion of the scroll casing in the axially expanded portion, with a protrusion that protrudes radially outward from a radially inner side surface by a predetermined amount so as to directly face an airflow in a circumferential direction.Type: GrantFiled: September 15, 2010Date of Patent: April 21, 2015Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Tsuyoshi Eguchi, Atsusi Suzuki, Seiji Sato, Masahiko Takahashi
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Publication number: 20150089117Abstract: A computer system, having a non-volatile storage unit (152), a main storage unit (151), and a data processor (102) including a memory management unit (102A) for managing a program stored in the non-volatile storage unit and the main storage unit to transfer a program stored in the non-volatile storage unit to the main storage unit, wherein the memory management unit (102A) includes a program storage control function of storing a program subjected to predetermined data conversion and a program yet to be subjected to predetermined data conversion in the non-volatile storage unit, and a function of combining programs subjected to predetermined data conversion so as not to bridge over a boundary between blocks at the execution of the program storage control function, as well as, at a first access to a certain block, expanding all the data included in the block to a corresponding block of the main storage unit.Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Applicant: NEC CORPORATIONInventor: Masahiko TAKAHASHI
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Patent number: 8980048Abstract: A plasma etching apparatus includes a process chamber, a susceptor, microwave permeable plate that is made of a dielectric material that allows microwaves to pass therethrough, a microwave supplying portion including a microwave generation apparatus that generates microwaves of a predetermined frequency, a gas supplying portion for supplying a process gas, an evacuation portion, a bias electric power supplying portion; and an alternating bias electric power control portion that controls the alternating bias electric power, wherein the alternating bias electric power control portion controls the alternating bias electric power so that supplying and disconnecting the alternating bias electric power to the susceptor are repeated to allow a ratio of a time period of supplying the alternating bias electric power with respect to a total time period of supplying the alternating bias electric power and disconnecting the alternating bias electric power to be 0.1 or more and 0.5 or less.Type: GrantFiled: April 30, 2014Date of Patent: March 17, 2015Assignee: Tokyo Electron LimitedInventors: Tetsuya Nishizuka, Masahiko Takahashi, Toshihisa Ozu
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Publication number: 20150068205Abstract: The object of the present invention is to carry out a highly efficient power generation or to efficiently use an exhaust heat of a low temperature. A steam turbine plant includes a steam turbine 1 and a heating unit configured to heat a working fluid to be supplied to the steam turbine 1. The heating unit includes a first heat source 14 using a fossil fuel or a second heat source 8 using an extracted steam from the steam turbine 1, and a third heat source 44 not using a fossil fuel but using a waste exhaust combustion gas.Type: ApplicationFiled: September 4, 2014Publication date: March 12, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Koichi GOTO, Nobuo OKITA, Kazuo TAKAHATA, Masahiko TAKAHASHI
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Publication number: 20150051079Abstract: According to one embodiment, a superconducting magnet apparatus includes: a first superconducting coil and a second superconducting coil respectively arranged in a vacuum container; a first cooling unit configured to cool the first superconducting coil; and a second cooling unit configured to cool the second superconducting coil and controlled independently from the first cooling unit by a cooling method different from the cooling method of the first cooling unit.Type: ApplicationFiled: June 26, 2014Publication date: February 19, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masahiko TAKAHASHI, Taizo Tosaka, Hiroshi Miyazaki, Sadanori Iwai