Patents by Inventor Masahiro Matsumoto

Masahiro Matsumoto 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: 9976976
    Abstract: To provide a gas sensor apparatus capable of preventing clogging of a gas intake port due to particles, droplets, or the like, of a gas and maintaining measurement accuracy for a long time, a gas sensor apparatus 1 includes a housing 3. The housing 3 includes an expansion chamber 6 communicating with an air intake passage 2 via an air intake port 8, and a measurement chamber 5 communicating with the expansion chamber 6 via a communicating portion 7. A double squeezing structure including the gas intake port 8 and the communicating portion 7 is provided, and two stages of regions where the volume expands between the gas intake port 8 and the measurement chamber 5 are provided. As a result, the movement of the air in the measurement chamber 5 is decreased. It is possible to provide a structure in which the capacity of the gas intake port 8 is increased to avoid clogging of the gas intake port due to particles or droplets.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: May 22, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hiroshi Nakano, Masahiro Matsumoto, Satoshi Asano, Shinobu Tashiro
  • Patent number: 9972505
    Abstract: The present invention makes it possible to improve the reliability of a semiconductor device. The semiconductor device has, over a semiconductor substrate, a pad electrode formed at the uppermost layer of a plurality of wiring layers, a surface protective film having an opening over the pad electrode, a redistribution line being formed over the surface protective film and having an upper surface and a side surface, a sidewall barrier film comprising an insulating film covering the side surface and exposing the upper surface of the redistribution line, and a cap metallic film covering the upper surface of the redistribution line. Then the upper surface and side surface of the redistribution line are covered with the cap metallic film or the sidewall barrier film and the cap metallic film and the sidewall barrier film have an overlapping section.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: May 15, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Masahiro Matsumoto, Kazuyoshi Maekawa, Yuichi Kawano
  • Publication number: 20180130563
    Abstract: A radioprotective unwoven fabric is a sheet in which metal fibers are three-dimensionally and randomly stacked, the metal fibers each comprising a metal material having a specific gravity higher than a specific gravity of lead. The metal fibers may comprise a tungsten wire.
    Type: Application
    Filed: October 25, 2017
    Publication date: May 10, 2018
    Inventors: Kazushige SUGITA, Masahiro MATSUMOTO, Tomohiro KANAZAWA, Tsuyoshi TERADA
  • Patent number: 9958305
    Abstract: A gas sensor device of the present invention, aiming sufficient correction results of an internal combustion engine under different operation conditions, includes a concentration sensor for measuring the concentration of gas and a pressure sensor for measuring the pressure of the gas. The gas sensor device also includes a measuring chamber incorporating the concentration sensor and the pressure sensor, and a processing circuit unit that adjusts a signal of the concentration sensor using a signal of the pressure sensor. The processing circuit unit may preferably be provided with a response speed adjusting unit that brings the response speed of a detected signal of the pressure sensor close to the response speed of a detected signal of the concentration sensor.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: May 1, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hiroshi Nakano, Masahiro Matsumoto, Satoshi Asano, Shinobu Tashiro
  • Patent number: 9939300
    Abstract: In order to achieve measurement with high precision by suitably correcting a measurement error, a hot-type fluid measurement device includes a module having a passage section and a circuit chamber, a sensor element disposed in the passage section, and a circuit element disposed in the circuit chamber. The circuit element includes a correction section that corrects flow rate information detected by the sensor element from temperature difference information of a temperature of a fluid and a temperature of the module, and at least one temperature of the temperature of the fluid or the temperature of the module.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: April 10, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Asano, Masahiro Matsumoto, Hiroshi Nakano, Ryo Sato
  • Patent number: 9941686
    Abstract: Provided is a sensor device that suppresses a malfunction caused by a negative surge or a voltage drop. A sensor device includes a sensor element having an electrical characteristic varying according to a physical amount, a signal processing circuit configured to process an output signal of the sensor element, a transistor element interposed between a power source terminal and the signal processing circuit, a resistive element configured to connect a drain and a gate of the transistor element, or a collector and a base of the transistor element, and an element having threshold voltage for connecting the gate or the base of the transistor element to a GND. The element regulates current flowing from the resistive element in a direction of the GND, in a case in which supply voltage to the signal processing circuit falls below the threshold voltage.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: April 10, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Asano, Masahiro Matsumoto, Hiroshi Nakano, Shinobu Tashiro
  • Patent number: 9921091
    Abstract: In order to provide a thermal mass flowmeter which makes higher accuracy of gas flowrate measurement possible while reliability in the thermal mass flowmeter is ensured (while deterioration or breakage caused by droplet adhesion is prevented), the thermal mass flowmeter according to the present invention has a heating element for generating heat by conduction, a temperature detection bridge circuit for detecting a temperature of the heating element, and a sensor element driving circuit portion connected to the heating element and the temperature detection bridge circuit and executing conduction control to the heating element, in which the sensor element driving circuit portion has an output mechanism and an output impedance adjustment mechanism and the output impedance adjustment mechanism is disposed between the output mechanism and the heating element and its output impedance is higher than an electric resistance value of the heating element and less than 1 M?.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: March 20, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Masahiro Matsumoto, Hiroshi Nakano, Satoshi Asano, Yasuo Onose
  • Patent number: 9903012
    Abstract: A film formation method is one for forming an organic layer comprising a fluorine-containing resin on an inorganic layer (3) formed on a substrate and comprising an inorganic substance. In the method, for the formation of the inorganic layer, a reactive sputtering procedure using water vapor as a reactive gas is carried out to form the inorganic layer on the substrate. Subsequently, the organic layer is formed on the inorganic layer. A film formation device enables the implementation of the film formation method.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: February 27, 2018
    Assignee: ULVAC, INC.
    Inventors: Takashi Yoshida, Masahiro Matsumoto, Noriaki Tani, Susumu Ikeda, Masashi Kubo
  • Patent number: 9891731
    Abstract: A touch panel of the present invention includes: a cover substrate; a connector being provided on an area of the cover substrate other than a display area, and including a color layer and a shield layer, the shield layer being formed from a multilayer structure, the multilayer structure being configured so that a metal layer and a dielectric layer which is thicker than the metal layer are alternately laminated; and a touch panel substrate being arranged to face the cover substrate with the connector interposed therebetween.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: February 13, 2018
    Assignee: ULVAC, INC.
    Inventors: Manabu Harada, Atsuhito Ihori, Toshihiro Suzuki, Hidenori Yanagitsubo, Masahiro Matsumoto, Masashi Kubo, Makoto Arai
  • Publication number: 20180012734
    Abstract: A substrate processing device includes a housing connected to ground, a cathode stage that supports a substrate, an anode unit, and a gas feeding unit that feeds gas toward the first plate. The cathode stage is applied with voltage for generating plasma. The anode unit includes a first plate including first through holes and a second plate including second through holes that are larger than the first through holes. The second plate is located between the first plate and the cathode stage. The first plate produces a flow of the gas through the first through holes. The gas that has passed through the first through holes flows through the second through holes into an area between the second plate and the cathode stage. A distance between the first plate and the second plate is 10 mm or greater and 50 mm or less.
    Type: Application
    Filed: June 8, 2016
    Publication date: January 11, 2018
    Inventors: Tetsushi FUJINAGA, Atsuhito IHORI, Masahiro MATSUMOTO, Noriaki TANI, Harunori IWAI, Kenji IWATA, Yoshinao SATO
  • Publication number: 20170372996
    Abstract: A bonding pad of a semiconductor chip in a QFP includes, in its exposed portion, a via disposition area comprising: a first segment that connects a corner and a first point; a second segment that connects the corner and a second point; and an arc that connects the first point and the second point and forms a convex shape toward the corner. Further, in a plan view of the bonding pad, at least a part of a via is disposed so as to overlap with the via disposition area.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 28, 2017
    Inventors: Masahiro MATSUMOTO, Akira Yajima, Kazuyoshi Maekawa
  • Publication number: 20170350044
    Abstract: A metal fiber included in a fiber product includes a tungsten wire having a diameter less than or equal to 22 ?m. The tungsten wire may have, for example, a diameter less than or equal to 18 ?m. The tungsten wire may have, for example, a diameter within a range from 20% less than 13 ?m to 20% greater than 13 ?m. In addition, the tungsten wire may have, for example, a diameter greater than or equal to 5 ?m. Further, the tungsten wire may include, for example, pure tungsten. Moreover, the metal fiber may be, for example, a metal thread including a false-twisted yarn which is made of a chemical fiber and is wound.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 7, 2017
    Inventors: Kazushige SUGITA, Masahiro MATSUMOTO, Taisuke SHIMAZU, Tomohiro KANAZAWA
  • Publication number: 20170345987
    Abstract: The purpose of the present invention is to provide a highly accurate and highly reliable physical quantity sensor wherein an error due to stress applied to a sensor element of the physical quantity sensor is reduced. This physical quantity sensor device is provided with: a hollow section formed in a Si substrate; an insulating film covering the hollow section; and a heating section formed in the insulating film. The sensor device is also provided with a detection element that detects the temperature of the insulating film above the hollow section, the detection element is provided with a first silicon element and a second silicon element, and the first silicon element and the second silicon element are doped with different impurities, respectively.
    Type: Application
    Filed: July 1, 2015
    Publication date: November 30, 2017
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroshi NAKANO, Masahiro MATSUMOTO, Yoshimitsu YANAGAWA, Yasuo ONOSE
  • Publication number: 20170344040
    Abstract: Provided is an electronic device which can easily measure a standby current of an internal circuit of an electronic device after burn-in. The electronic device includes: a power source terminal; a regulator that generates a predetermined voltage from a voltage of the power source terminal; an internal circuit that is operated by an output voltage of the regulator; and a standby terminal through which the regulator and the internal circuit are set to a low power consumption state.
    Type: Application
    Filed: November 27, 2015
    Publication date: November 30, 2017
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Masahiro MATSUMOTO, Hiroshi NAKANO, Yoshimitsu YANAGAWA, Akira KOTABE
  • Publication number: 20170285019
    Abstract: Provided is a target substance measurement kit for detecting a target substance sensitively in a convenient manner. Provided is a target substance measurement kit including a capturing unit that captures a target substance contained in a liquid and a flow rate control unit that controls the rate of flow of the liquid in the capturing unit. The flow rate control unit is provided downstream from the capturing unit in the flow direction of the liquid.
    Type: Application
    Filed: August 17, 2015
    Publication date: October 5, 2017
    Applicant: Sony Corporation
    Inventor: Masahiro Matsumoto
  • Publication number: 20170278838
    Abstract: In conventional sensor devices, it has been difficult to achieve both EMC resistance and ESD resistance, which are required at the output terminals of an automobile sensor device. A sensor device 1 of the present embodiment comprises: a power supply terminal 2 that supplies power; a ground terminal 3; a sensor element 4, the electrical characteristics of which change in accordance with a physical quantity; a signal processing integrated circuit 5 that processes an output signal output from the sensor element 4; and an output terminal that outputs the output signal processed by the signal processing integrated circuit 5.
    Type: Application
    Filed: September 16, 2014
    Publication date: September 28, 2017
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masahiro MATSUMOTO, Hiroshi NAKANO, Yoshimitsu YANAGAWA, Akira KOTABE
  • Patent number: 9772208
    Abstract: Provided is a thermal type flowmeter in which contamination of a sensor element is reduced. The flowmeter includes a sensor element including a heating resistor formed in a thin film part, the thin film part being provided on a diaphragm formed on a substrate; a support member to locate the sensor element thereon; a secondary channel that includes part of the support member and takes in part of intake air flowing through an air intake pipeline; and a guide member provided on the support member or the sensor element that lies on a line L that extends along an air flow in the secondary channel and passing over the thin film part, the guide member allowing fine particles to be guided in a direction away from the line L, the fine particles coming together with an air flow along the surface of the support member or the sensor element.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: September 26, 2017
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hiroshi Nakano, Masahiro Matsumoto, Satoshi Asano, Keiji Hanzawa
  • Publication number: 20170234710
    Abstract: The purpose of the present invention is to provide a thermal flow-rate sensor that is capable of self-diagnosis. Provided is a thermal flow-rate sensor provided with a semiconductor element that detects a flow rate and that is equipped with electrode pads for electrical conduction with the outside, wherein at least two of the electrode pads are provided, and other electrode pads proximate to the electrode pads are arranged and have an electric potential beyond the scope of output to be used at the time of flow rate detection.
    Type: Application
    Filed: July 24, 2015
    Publication date: August 17, 2017
    Inventors: Ryosuke DOI, Yasuo ONOSE, Masahiro MATSUMOTO, Hiroshi NAKANO
  • Publication number: 20170227378
    Abstract: Provided is a sensor device wherein malfunction due to a negative surge is suppressed. This sensor device is provided with: a sensor element wherein electrical characteristics change corresponding to physical quantities; a signal processing circuit that processes output signals of the sensor element; a first transistor element that supplies currents to the sensor element and the signal processing circuit; a control circuit that controls a base current of the first transistor element; a power supply terminal; and a ground terminal. The sensor device is characterized in that the control circuit is provided with a limiting section that limits a current flowing from the ground terminal toward a base terminal of the first transistor element.
    Type: Application
    Filed: September 16, 2014
    Publication date: August 10, 2017
    Inventors: Yoshimitsu YANAGAWA, Masahiro MATSUMOTO, Satoshi ASANO, Hiroshi NAKANO, Akira KOTABE
  • Publication number: 20170204510
    Abstract: A substrate processing apparatus includes a sputter chamber, two targets located in the sputter chamber to form thin films on two film formation surfaces of a substrate through sputtering, and a transport mechanism that transports the substrate along a transport passage located in the sputter chamber. One of the two targets is located at one side of the transport passage opposed to one of the two film formation surfaces of the substrate at a front side with respect to a direction in which the substrate is transported. Another one of the two targets is located at another side of the transport passage opposed to another one of the two film formation surfaces of the substrate at a rear side with respect to the direction in which the substrate is transported.
    Type: Application
    Filed: July 23, 2015
    Publication date: July 20, 2017
    Inventors: Tetsushi FUJINAGA, Atsuhito IHORI, Masahiro MATSUMOTO, Noriaki TANI, Harunori IWAI