Patents by Inventor Hiroki Murakami

Hiroki Murakami 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: 20160071728
    Abstract: There is provided a method of forming a film on a surface to be processed of a workpiece, the method including: accommodating the workpiece with a single-crystallized substance formed on the surface to be processed, into a processing chamber; supplying a crystallization suppressing process gas into the processing chamber such that a crystallization of the single-crystallized substance formed on the surface to be processed is suppressed; and supplying a source gas into the processing chamber to form an amorphous film on the surface to be processed of the workpiece.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 10, 2016
    Inventors: Satoshi TAKAGI, Kazuya TAKAHASHI, Hiroki MURAKAMI, Daisuke SUZUKI
  • Patent number: 9235171
    Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: January 12, 2016
    Assignee: FUJI XEROX CO., LTD
    Inventors: Hideaki Ohara, Mitsuhiro Matsumoto, Kazuyoshi Ito, Yasuhiro Uehara, Mikio Saiki, Hiromi Nagai, Nobuyoshi Komatsu, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
  • Patent number: 9217971
    Abstract: A fixing device includes a rotatable endless fixing member that fixes a toner image onto a recording medium, and a heating member. The heating member includes a heat-generating layer that generates heat when supplied with electricity; an insulation layer that encloses the heat-generating layer therein to electrically insulate the heat-generating layer; a metallic layer that is laminated on a first surface of the insulation layer, has higher rigidity than the insulation layer, and generates an elastic restoring force; and a thermally conductive layer that is laminated on a second surface of the insulation layer, has lower rigidity than the metallic layer, and has higher thermal conductivity than the insulation layer and the metallic layer. The heating member is supported by one edge of the fixing member in a circumferential direction thereof, elastically deforms by being pressed against an inner peripheral surface of the fixing member, and heats the fixing member.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: December 22, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Mitsuhiro Matsumoto, Hideaki Ohara, Yasuhiro Uehara, Kazuyoshi Ito, Mikio Saiki, Hiroki Murakami, Junji Okada, Kimiyuki Kawakami, Tadashi Suto
  • Publication number: 20150311354
    Abstract: The invention provides a voltage regulator. The voltage regulator (100) of the invention includes a comparison circuit (20) and a voltage divider circuit (110). The voltage divider circuit (110) has a PMOS transistor (T6) connected to a voltage source (VDD) and resistors (R1, R2, R3, R4, R5 and R6) serially connected between the transistor (T6) and a reference voltage. A feedback voltage generated from a node (N3) between resistors R4 and R5 is provided to the comparison circuit (20). In addition, a middle voltage (Vm) generated from a node (Nc) of the resistors is provided to a well region, so the parasitic capacitance is reduced.
    Type: Application
    Filed: April 28, 2014
    Publication date: October 29, 2015
    Applicant: Winbond Electronics Corp.
    Inventors: Masaru YANO, Hiroki MURAKAMI
  • Patent number: 9153335
    Abstract: The invention provides a clamp voltage generating circuit capable of generating a correct clamp voltage. The clamp voltage generating circuit includes an emulate transistor, having a drain coupled to a power source VDD, a source coupled to a node, and a gate coupled to the clamp voltage; a current setting circuit, connected between the node and ground, for setting a current flowing from the node to the ground; a regulator, inputting a feedback voltage from the node and a reference voltage, and outputting a voltage VCLMP. The current setting circuit duplicates a current of a bit line, so that the emulate transistor is similar to a charge transfer transistor.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: October 6, 2015
    Assignee: Winbond Electronics Corp.
    Inventors: Hiroki Murakami, Kenichi Arakawa
  • Patent number: 9141053
    Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: September 22, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Mitsuhiro Matsumoto, Yasuhiro Uehara, Kazuyoshi Ito, Hideaki Ohara, Mikio Saiki, Hiroki Murakami, Kimiyuki Kawakami, Junji Okada, Tadashi Suto
  • Publication number: 20150259796
    Abstract: A method of forming a thin film containing a doping element in a vacuum atmosphere, which includes: supplying a source gas into a processing vessel being under the vacuum atmosphere through a source gas supply unit such that a source of the source gas is adsorbed onto a substrate in the processing vessel; repeating, a plurality of times, a sequence of operations of supplying a doping gas containing the doping element into the processing vessel through a doping gas supply unit, followed by sealing the doping gas inside the processing vessel, followed by vacuum-exhausting the processing vessel; supplying a reaction gas into the processing vessel through a reaction gas supply unit such that the reaction gas reacts with the source to produce a reaction product; and replacing an internal atmosphere of the processing vessel, the replacing being performed between the operations.
    Type: Application
    Filed: March 13, 2015
    Publication date: September 17, 2015
    Inventors: Keisuke SUZUKI, Hiroki MURAKAMI, Shingo HISHIYA, Kentaro KADONAGA, Minoru OBATA
  • Publication number: 20150254132
    Abstract: A semiconductor memory device includes: a memory array; a data-maintaining component, maintaining data read from the memory array or maintaining data used for writing to the memory array; an external input/output terminal; an error correction component, coupling the data-maintaining component and performing error-detection or correcting the data input to the data-maintaining component or output data from the data-maintaining component; a compressing component, coupling between the external input/output terminal and the error correction component and compressing or extending data. The compressing component compresses data provided by the external input/output terminal, provides the compressed data to the error correction component, extends the data provided by the error correction component, and provides the extended data to the external input/output terminal.
    Type: Application
    Filed: February 11, 2015
    Publication date: September 10, 2015
    Inventor: Hiroki MURAKAMI
  • Patent number: 9123782
    Abstract: An amorphous silicon film formation method includes transferring a base in a process chamber, heating the base in the process chamber, setting a process pressure inside the process chamber, forming a seed layer on a surface of the base by flowing aminosilane-based gas in the process chamber under a process condition in which the aminosilane-based gas is not thermally decomposed and adsorbing the aminosilane-based gas onto the surface of the base, the process condition having a first temperature, and forming an amorphous silicon film on the seed layer by heating the base at a second temperature higher than the first temperature, flowing silane-based gas containing no amino group in the process chamber, and thermally decomposing the silane-based gas containing no amino group, wherein the forming of the seed layer and the forming of the amorphous silicon film are successively performed in the process chamber.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: September 1, 2015
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Kazuhide Hasebe, Hiroki Murakami, Akinobu Kakimoto
  • Patent number: 9112488
    Abstract: A semiconductor device including a logic circuit capable of decreasing a leakage current occurred during a standby state is provided. The semiconductor device includes a power supply portion for supplying a first operation voltage or a second operation voltage smaller than the first operation voltage; a P-type low-threshold transistor Tp for receiving the first or the second operation voltage from the power supply portion; and a N-type transistor Tn connected between the transistor Tp and a base potential. The transistors Tp, Tn construct a logic circuit. The power supply portion supplies the first operation voltage to the source of the transistor Tp in the enable state, and supplies the second operation voltage in a standby state. The second operation voltage is set so that voltage amplitude between gate and source of each transistor Tp, Tn is larger than the threshold value of the transistors Tp, Tn.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: August 18, 2015
    Assignee: Winbond Electronics Corp.
    Inventor: Hiroki Murakami
  • Publication number: 20150226106
    Abstract: A cross recess is provided at a fastening seat portion of a cylinder head in which exhaust port outlets are arranged in two rows and two in each row. A cross protrusion that is fittable to the cross recess is provided at a flange of an exhaust manifold. A gasket has a cross opening through which the cross protrusion is insertable. The exhaust manifold is fastened to the cylinder head by passing the cross protrusion of the flange of the exhaust manifold through the cross opening of the gasket and then fitting the cross protrusion to the cross recess of the fastening seat portion of the cylinder head.
    Type: Application
    Filed: October 11, 2013
    Publication date: August 13, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki MURAKAMI
  • Publication number: 20150227131
    Abstract: A numerical controller extracts a subsequence from a sequence of command points obtained from a machining program in a manner such that the same path may be created regardless of whether the sequence of command points is extracted from the commanded direction or from the reverse direction. A compressed path approximated by a straight line or a curve is created in a manner such that the compressed path may be approximated by the same straight line or curve regardless of whether the compressed path is created from the extracted subsequence in a commanded direction or in the reverse direction.
    Type: Application
    Filed: February 12, 2015
    Publication date: August 13, 2015
    Inventor: Hiroki MURAKAMI
  • Publication number: 20150206795
    Abstract: An amorphous silicon film formation method includes transferring a base in a process chamber, heating the base in the process chamber, setting a process pressure inside the process chamber, forming a seed layer on a surface of the base by flowing aminosilane-based gas in the process chamber under a process condition in which the aminosilane-based gas is not thermally decomposed and adsorbing the aminosilane-based gas onto the surface of the base, the process condition having a first temperature, and forming an amorphous silicon film on the seed layer by heating the base at a second temperature higher than the first temperature, flowing silane-based gas containing no amino group in the process chamber, and thermally decomposing the silane-based gas containing no amino group, wherein the forming of the seed layer and the forming of the amorphous silicon film are successively performed in the process chamber.
    Type: Application
    Filed: March 13, 2015
    Publication date: July 23, 2015
    Inventors: Kazuhide HASEBE, Hiroki MURAKAMI, Akinobu KAKIMOTO
  • Publication number: 20150160590
    Abstract: Provided is a heating device that heats a belt which transports a medium on which a non-fixed image to be fixed onto the medium through heating is formed, the heating device including a heating element, a first insulating layer and a second insulating layer that are arranged to nip the heating element, a first supporting layer that comes into contact with the first insulating layer and a second supporting layer that comes into contact with the second insulating layer, both of which are arranged to nip the first insulating layer, the heating element, and the second insulating layer, and a connection member that connects the first supporting layer and the second supporting layer in a normal direction of the first supporting layer and the second supporting layer.
    Type: Application
    Filed: May 8, 2014
    Publication date: June 11, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Mitsuhiro MATSUMOTO, Yasuhiro UEHARA, Kazuyoshi ITO, Hideaki OHARA, Mikio SAIKI, Hiroki MURAKAMI, Kimiyuki KAWAKAMI, Junji OKADA, Tadashi SUTO
  • Publication number: 20150125191
    Abstract: Provided is a fixing device including a heating unit that includes a circularly moving heating belt, and a pressurizing roller that presses an external face of the heating belt, the fixing device fixing a toner image on a sheet onto the sheet by nipping the sheet between the heating belt and the pressurizing roller and by heating and pressurizing the sheet transported with the toner image being held.
    Type: Application
    Filed: May 8, 2014
    Publication date: May 7, 2015
    Applicant: FUJI XEROX CO., LTD
    Inventors: Hideaki OHARA, Mitsuhiro MATSUMOTO, Kazuyoshi ITO, Yasuhiro UEHARA, Mikio SAIKI, Hiromi NAGAI, Nobuyoshi KOMATSU, Hiroki MURAKAMI, Junji OKADA, Kimiyuki KAWAKAMI, Tadashi SUTO
  • Patent number: 9006021
    Abstract: The amorphous silicon film formation method includes forming a seed layer on the surface of a base by heating the base and flowing aminosilane-based gas onto the heated base; and forming an amorphous silicon film on the seed layer by heating the base, supplying silane-based gas containing no amino group onto the seed layer on the surface of the heated base, and thermally decomposing the silane-based gas containing no amino group.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: April 14, 2015
    Assignee: Tokyo Electron Limited
    Inventors: Kazuhide Hasebe, Hiroki Murakami, Akinobu Kakimoto
  • Publication number: 20150055418
    Abstract: The invention provides a clamp voltage generating circuit capable of generating a correct clamp voltage. The clamp voltage generating circuit includes an emulate transistor, having a drain coupled to a power source VDD, a source coupled to a node, and a gate coupled to the clamp voltage; a current setting circuit, connected between the node and ground, for setting a current flowing from the node to the ground; a regulator, inputting a feedback voltage from the node and a reference voltage, and outputting a voltage VCLMP. The current setting circuit duplicates a current of a bit line, so that the emulate transistor is similar to a charge transfer transistor.
    Type: Application
    Filed: June 11, 2014
    Publication date: February 26, 2015
    Inventors: Hiroki Murakami, Kenichi Arakawa
  • Patent number: 8963624
    Abstract: A boosting circuit, includes an output circuit including a first transmission circuit, transmitting charges of a first boosting node to a first output node according to a first transmission control signal, a detection circuit, detecting the voltage level of the first output node, and a pre-charge circuit pre-charging the first boosting node according a detection signal of the detection circuit; a first pump circuit includes a second transmission circuit, transmitting charges to a second output node according to a second transmission control signal, and a first capacitance unit, coupled to the first boosting node, boosting the voltage level of the first boosting node according to charges transmitted in the second output node; and a control circuit, coupled to the output circuit and the first pump circuit, controls the second transmission control signal according to the voltage level of the first output node.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: February 24, 2015
    Assignee: Windbond Electronics Corp.
    Inventor: Hiroki Murakami
  • Publication number: 20150012127
    Abstract: A numerical control device for controlling a five-axis processing machine includes a tool-direction instruction correction unit, and corrects a tool-direction vector so that a tool direction of a processing program smoothly changes. The tool-direction instruction correction unit refers to a tool-direction correction tolerance set in advance by a tool-direction correction tolerance setting unit.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 8, 2015
    Inventor: Hiroki MURAKAMI
  • Publication number: 20140213067
    Abstract: A film forming method for forming a thin film composed of a SiOCN layer containing at least silicon (Si), oxygen (O), carbon (C) and nitrogen (N) on a surface of a workpiece within an evacuable processing vessel optionally using a silane-based gas, a hydrocarbon gas, a nitriding gas or an oxidizing gas includes forming a first film including at least Si, C and N, and forming a second film including at least Si, C and O. The forming a first film and the forming a second film are set as a cycle and the cycle is performed once or more.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 31, 2014
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Hiroki MURAKAMI, Koji SASAKI, Keisuke SUZUKI, Yuichiro MOROZUMI