Patents by Inventor Akira Matsumoto

Akira 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: 10446601
    Abstract: A sensor includes a first substrate including at least a first pixel. The first pixel includes an avalanche photodiode to convert incident light into electric charge and includes an anode (105) and a cathode (101). The cathode is in a well region (103) of the first substrate. The first pixel includes an isolation region (108) that isolates the well region from at least a second pixel that is adjacent to the first pixel. The first pixel includes a hole accumulation region (107a) between the isolation region and the well region. The hole accumulation region is electrically connected to the anode.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: October 15, 2019
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yusuke Otake, Akira Matsumoto, Junpei Yamamoto, Ryusei Naito, Masahiko Nakamizo, Toshifumi Wakano
  • Patent number: 10444031
    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: Grant
    Filed: September 16, 2014
    Date of Patent: October 15, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yoshimitsu Yanagawa, Masahiro Matsumoto, Satoshi Asano, Hiroshi Nakano, Akira Kotabe
  • Patent number: 10439478
    Abstract: A rotor includes a rotor core and a rotor shaft. The rotor shaft includes an insertion portion, an external thread portion, a key groove and a nut. The insertion portion is inserted into a cylindrical hole of the rotor core. The external thread portion extends from the insertion portion to an outer side in an axial direction of the rotor shaft. The external thread portion has a plurality of thread ridges formed on an outer peripheral surface. The key groove is provided on an outer peripheral surface of the rotor shaft so as to extend in the axial direction from the external thread portion through the insertion portion. The nut is screwed onto the external thread portion, and has a crimped portion formed so as to enter the key groove.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: October 8, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masashi Matsumoto, Yasuaki Shirasaki, Akira Nakatani
  • Publication number: 20190300984
    Abstract: The present invention is a method for producing a magnesium alloy is provided, which is characterized by adding 7.8 to 9.2% by weight of Al, 0.20 to 0.80% by weight of Zn, 0.12 to 0.40% by weight of Mn, and an amount Y [ppm] calculated by formulas provided below, of Ni, (1) when the decomposition rate X is lower than 500 mg/cm2/day, Y=48.385 Ln(X)?119.64??(Formula 1) (2) when the decomposition rate X is 500 or higher but lower than 1400 mg/cm2/day, Y=63.818 exp(0.0032X)??(Formula 2) and controlling to have a desired decomposition rate.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 3, 2019
    Inventors: Yasunobu MATSUMOTO, Akira NAKAGAWA, Masayoshi OGAWA, Naoto SAKAI, Kazunori SHIMIZU
  • Publication number: 20190294062
    Abstract: An electrostatic charge image developing toner has a surface property index value represented by Formula S of 2.0 to 2.8, an electrostatic charge image developing toner has a surface property index value represented by Formula S of more than 2.8 and 3.5 or less, and an electrostatic charge image developing toner has a surface property index value represented by Formula S of more than 1.0 and less than 2.0 and a calculated value of a specific surface area in Formula S of 0.70 to 1.3: (Surface property index value)=(Measured value of specific surface area)/(Calculated value of specific surface area)??Formula S wherein (Calculated value of specific surface area)=(Sum of surface areas calculated from equivalent circle diameters of 4,500 toner particles in flow type particle image analysis)/{((Specific gravity of toner)×(Sum of volumes calculated from equivalent circle diameters of 4,500 toner particles in flow type particle image analysis)}.
    Type: Application
    Filed: August 14, 2018
    Publication date: September 26, 2019
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo KADOKURA, Atsushi SUGAWARA, Daisuke TOMITA, Sakiko HIRAI, Satoshi MIURA, Akira MATSUMOTO
  • Patent number: 10422871
    Abstract: A vehicle as a moving body is provided with an imaging device as first object detecting means and a radar apparatus as second object detecting means. The object recognition apparatus is provided with axis displacement learning means for learning an axis displacement of the reference axis X1 of the first object detecting means; axis displacement determining means for performing, based on an object detecting result of the first object detecting means and the second object detecting means, an axis displacement determination process for determining whether or not an axis displacement has occurred in the reference axis of the second object detecting means; and disabling means for disabling, based on a learning result of the axis displacement by the axis displacement learning means, information about an axis displacement of the second object detecting means acquired by the axis displacement determination process.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: September 24, 2019
    Assignees: DENSO CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yusuke Matsumoto, Ryo Takaki, Akira Isogai, Ichiro Aizawa, Jun Tsuchida, Koichi Sato
  • Patent number: 10415496
    Abstract: An engine-driven working machine includes a controller, which varies a control value of a solenoid valve so as to decrease or increase an opening degree of the solenoid valve when a rotating speed of an engine is within a predetermined high rotating speed range and the rotating speed of the engine is lower or higher than a predetermined rotating speed, respectively. When the control value of the solenoid valve is varied so as to decrease the opening degree of the solenoid valve and corresponds to a predetermined opening degree larger than a fully-closed state, the control value is set to a limitation value.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: September 17, 2019
    Assignees: YAMABIKO CORPORATION, IIDA DENKI KOGYO CO., LTD.
    Inventors: Shiro Yamaguchi, Takamasa Otsuji, Kosuke Matsumoto, Hiroyuki Miyaki, Akira Yamazaki
  • Patent number: 10409338
    Abstract: A semiconductor device package includes a substrate including, on an edge thereof, a connector that is connectable to a host, a nonvolatile semiconductor memory device disposed on a surface of the substrate, a memory controller disposed on the surface of the substrate, an oscillator disposed on the surface of the substrate and electrically connected to the memory controller, and a seal member sealing the nonvolatile semiconductor memory device, the memory controller, and the oscillator on the surface of the substrate.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: September 10, 2019
    Assignee: Toshiba Memory Corporation
    Inventors: Manabu Matsumoto, Katsuya Murakami, Akira Tanimoto, Isao Ozawa, Yuji Karakane, Tadashi Shimazaki
  • Patent number: 10412257
    Abstract: An image reading apparatus according to the present invention includes: a conveyor which conveys an original in a first direction; a light transmitting member which is provided with coating in a first region of a surface facing the original; a reading unit which reads an image at a reading position of the original through the light transmitting member; and a controller which performs processing on the image and which changes the reading position by moving the reading unit when abnormality is detected in the processing. The coating includes a silicon-containing perfluoropolyether compound. An electrically-conductive member is provided in a second region located on the surface of the light transmitting member, upstream of the first region in a conveyance direction of the original. A contact angle of the coating at a position corresponding to the reading position in the first region is appropriately set.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: September 10, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Narumasa Ito, Akira Matsumoto
  • Patent number: 10412245
    Abstract: According to the present invention, there is provided a method of manufacturing a light-transmitting member for an image reading apparatus configured to read an image on a conveyed original, the method including: disposing a plurality of substrates each having a first light-transmitting surface and a second light-transmitting surface opposed to each other so that a part of the first light-transmitting surface of one of two adjacent substrates is in contact with a part of the second light-transmitting surface of another of the two adjacent substrates; and providing coating on the first light-transmitting surface of each of the plurality of substrates.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: September 10, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tokuji Takizawa, Akira Matsumoto
  • Publication number: 20190271734
    Abstract: A semiconductor device inspection apparatus is an apparatus for inspecting a semiconductor device which is an object to be inspected based on a result signal which is output in accordance with input of a test pattern signal to the semiconductor device, the apparatus including: an ultrasonic transducer, disposed to face the semiconductor device, which generates ultrasonic waves; a stage for moving a relative position of the semiconductor device and the ultrasonic transducer; a stimulation condition control unit for controlling a condition of stimulation by the ultrasonic waves applied to the semiconductor device; and an analysis unit for generating a measurement image based on the result signal which is output from the semiconductor device.
    Type: Application
    Filed: September 20, 2017
    Publication date: September 5, 2019
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Toru MATSUMOTO, Akira SHIMASE
  • Publication number: 20190267414
    Abstract: A sensor includes a first substrate including at least a first pixel. The first pixel includes an avalanche photodiode to convert incident light into electric charge and includes an anode and a cathode. The cathode is in a well region of the first substrate. The first pixel includes an isolation region that isolates the well region from at least a second pixel that is adjacent to the first pixel. The first pixel includes a hole accumulation region between the isolation region and the well region. The hole accumulation region is electrically connected to the anode.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 29, 2019
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yusuke OTAKE, Akira MATSUMOTO, Junpei YAMAMOTO, Ryusei NAITO, Masahiko NAKAMIZO, Toshifumi WAKANO
  • Patent number: 10382351
    Abstract: A service provision method executed by a system including a terminal configured to use a service and a service provision apparatus configured to provide the service, the service providing method includes collecting resource information of an output device coupled to the service provision apparatus when the terminal checks in to the service provision apparatus, providing a first application to the terminal and a second application to the output device from the service provision apparatus when the output device is usable in accordance with the resource information, and providing a third application to the terminal from the service provision apparatus, the third application generated on the basis of the first application and the second application, when the output device is unusable in accordance with the resource information.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: August 13, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Koichi Yokota, Naoki Nishiguchi, Akira Fujii, Tatsuro Matsumoto
  • Patent number: 10365601
    Abstract: An image forming apparatus includes an image forming device, an image density detector, and a processor. The processor controls the image forming device to form a first test toner image, and controls the image density detector to detect an image density at the plurality of positions of the first test toner image. The processor adjusts an image forming condition so that the image density detected at each of the plurality of positions becomes a target image density, controls the image forming device to form a second test toner image based on the adjusted image forming condition, controls the image density detector to detect an image density at the plurality of positions of the second test toner image, determines whether a streak exists in the second test toner image based on the detected image densities, and executes a countermeasure to prevent an occurrence of the streak.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: July 30, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keita Sone, Akira Yoshida, Natsumi Matsue, Kazuaki Kamihara, Yuuichiroh Uematsu, Kohei Matsumoto, Taku Kumiya
  • Publication number: 20190226658
    Abstract: A vehicular lamp includes a first light source that emits light for forming a first distribution pattern, a second light source that emits light for forming a second distribution pattern that is added to the first distribution pattern, and a light guide member disposed in front of the first light source. The light guide member includes a first incidence surface on which the light emitted from the first light source is incident, a total reflection surface by which a part of the light incident from the first incidence surface is totally reflected, and a first emission surface from which the light totally reflected by the total reflection surface is emitted toward the lamp front. A part of the light emitted from the second light source passes through the total reflection surface and the light guide member and is emitted from the first emission surface toward the lamp front.
    Type: Application
    Filed: August 31, 2017
    Publication date: July 25, 2019
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Hiroki Kawai, Kenichi Takada, Kazutoshi Sakurai, Shuhei Nozue, Akira Hanada, Akinori Matsumoto, Shinji Kagiyama, Takahiko Honda
  • Patent number: 10361642
    Abstract: Provided is an electronic device including a rotary power generation device using an electret, which is capable of preventing a spiral spring from being wound up or fully extended. The electronic device includes a power generation mechanism including: first rotary member, which is supported in a freely rotatable manner, and has a center of gravity shifted from a rotation center; second rotary member supported in a freely rotatable manner; an elastic member configured to elastically connect the first rotary member and the second rotary member to each other for rotary motions thereof; a stationary member arranged so as to be opposed to the second rotary member; and an electret film formed on a surface of any one of the second rotary member and the stationary member.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: July 23, 2019
    Assignees: CITIZEN HOLDINGS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventors: Kensaku Matsumoto, Takashi Ihara, Makoto Watanabe, Akira Izumi
  • Patent number: 10356844
    Abstract: A communication device includes a wireless communication unit, an in-transmission information generating unit, and a neighboring signal presence information generating unit. The wireless communication unit transmits and receives wireless frames via an antenna. The in-transmission information generating unit generates in-transmission information representing whether or not a wireless frame is being transmitted from the antenna. The neighboring signal presence information generating unit generates neighboring signal presence information representing whether or not a signal of a predetermined level or higher is present on a wireless channel that is the same as a wireless channel of the wireless frame.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: July 16, 2019
    Assignee: NEC Communication Systems Ltd.
    Inventors: Akira Matsumoto, Peng Shao, Yuki Baba
  • Publication number: 20190214157
    Abstract: A control rod operation generates a rod insertion block signal during operation of a reactor. Four neutron detector assemblies including a plurality of LPRMs arranged in an axial direction of a core are arranged adjacent to a plurality of insertion selection control rods, respectively, which are simultaneously inserted into the core. Neutron flux ratio calculation units are arranged in each of the neutron detector assemblies, and ratios (neutron flux ratios BA/AA, CA/AA, and DA/AA) of an average LPRM signal of the respective LPRMs at positions B, C, and D to an average LPRM signal of the respective LPRMs at a position A which is closest to the control rod insertion end of the core are calculated. When the largest neutron flux ratio out of the neutron flux ratios exceeds a set neutron flux ratio, a rod insertion block signal which is generated by a local range rod insertion monitor is output.
    Type: Application
    Filed: November 25, 2016
    Publication date: July 11, 2019
    Inventors: Koji MATSUMOTO, Kazuya ISHII, Takao KONDOU, Akira KONOMA, Akiyuki TSUCHIYA
  • Patent number: 10347673
    Abstract: The present disclosure relates to a solid-state imaging device and an electronic device that are configured to suppress the occurrence of noise and white blemishes in an amplification transistor having an element separation region which is formed by ion implantation. An amplification transistor has an element separation region formed by ion implantation. A channel region insulating film which is at least a part of a gate insulating film above a channel region of the amplification transistor is thin compared to a gate insulating film of a selection transistor, and an element separation region insulating film which is at least a part of a gate insulating film above the element separation region of the amplification transistor is thick compared to the channel region insulating film. The present disclosure can be applied to, for example, a CMOS image sensor, etc.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: July 9, 2019
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yusuke Otake, Toshifumi Wakano, Takuya Sano, Yusuke Tanaka, Keiji Tatani, Hideo Harifuchi, Eiichi Tauchi, Hiroki Iwashita, Akira Matsumoto
  • Publication number: 20190206789
    Abstract: A semiconductor device has a coil and wirings under the coil. In addition, a distance between the upper face of the wirings and the bottom face of the cod is 7 ?m or larger, and the wirings have a plurality of linear wiring parts each wiring width of which is 1 ?m or smaller. In addition, the linear wiring parts do not configure a loop wiring, and the coil and the linear wiring parts are overlapped with each other in planar view. Even if such wirings (linear wiring parts) are arranged under the coil, the characteristics (for example, RF characteristics) of the semiconductor device are not deteriorated. In addition, the area of the semiconductor device can be reduced or high integration of elements can be realized by laminating elements (for example, MOM capacitance elements and the like) having the coil and the linear wiring parts.
    Type: Application
    Filed: November 15, 2018
    Publication date: July 4, 2019
    Inventors: Teruhiro KUWAJIMA, Yasutaka NAKASHIBA, Akira MATSUMOTO, Akio ONO, Tetsuya IIDA