Patents by Inventor Takashi Nakayama

Takashi Nakayama 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: 20210013783
    Abstract: An object of the invention is to increase productivity of a coil. A coil forming device according to the present invention includes: a first bending unit 200A that performs a compression bending process with respect to a linear conductor; and a second bending unit 200B that performs a draw bending process with respect to the linear conductor, wherein the first bending unit 200A and the second bending unit 200B are integrated in one device, and wherein the first bending unit 200A and the second bending unit 200B are switched to access one linear conductor so as to perform the compression bending process and the draw bending process onto the one linear conductor.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Takashi GENMOTO, Teruaki HIGUCHI, Kenichi NAKAYAMA, Hiroyuki TAKAHOSHI, Tomohiro FUKUDA
  • Publication number: 20210012801
    Abstract: Provided are a magnetic disk and a method of fabricating the magnetic disk. The magnetic disk includes an aluminum alloy plate fabricated by a process involving a CC method and a compound removal process, and an electroless Ni—P plating layer disposed on the surface of the plate. The aluminum alloy plate is composed of an aluminum alloy containing 0.4 to 3.0 mass % (hereinafter abbreviated simply as “%”) of Fe, 0.1% to 3.0% of Mn, 0.005% to 1.000% of Cu, 0.005% to 1.000% of Zn, with a balance of Al and unavoidable impurities. In the magnetic disk, the maximum amplitude of waviness in a wavelength range of 0.4 to 5.0 mm is 5 nm or less, and the maximum amplitude of waviness in a wavelength range of 0.08 to 0.45 mm is 1.5 nm or less.
    Type: Application
    Filed: November 28, 2018
    Publication date: January 14, 2021
    Inventors: Takuya MURATA, Kotaro KITAWAKI, Makoto YONEMITSU, Hideyuki HATAKEYAMA, Takashi NAKAYAMA, Ryo SAKAMOTO, Hiroki OTA
  • Publication number: 20200394068
    Abstract: An equipment management method comprises a step A of registering, in a database, an alert that includes content of an equipment error, a step B of registering, in the database, a processing status that includes processing of the error, a step C of managing a thread for managing the alert and the processing status in a one-to-one relationship, and a step D of transmitting, to a user terminal, an error notification that includes information indicating generation of the error. The step D includes a step of, when two or more errors do not satisfy a predetermined condition, not integrating the two or more errors in one error notification, and, when the two or more errors satisfy the predetermined condition, integrating the two or more errors in one error notification.
    Type: Application
    Filed: March 28, 2018
    Publication date: December 17, 2020
    Inventors: Kei IWATA, Taku NAKAYAMA, Takashi FURUKAWA
  • Publication number: 20200395397
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light transmitted through a microlens to generate electric charge; an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit; and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, wherein: the photoelectric conversion unit, the transfer unit, and the accumulation unit are provided along a direction of an optical axis of the microlens.
    Type: Application
    Filed: May 4, 2020
    Publication date: December 17, 2020
    Applicant: NIKON CORPORATION
    Inventors: Toru TAKAGI, Satoshi NAKAYAMA, Ryoji ANDO, Takashi SEO, Yohei MATSUOKA, Yoshiyuki WATANABE
  • Publication number: 20200381015
    Abstract: Provided is an aluminum alloy substrate for a magnetic disk that includes an aluminum alloy containing 0.4 to 3.0 mass % (hereinafter abbreviated as “%”) of Fe, 0.005% to 1.000% of Cu, and 0.005% to 1.000% of Zn, with a balance of Al and unavoidable impurities. This substrate has a ratio A/B of 0.70 or more, where A indicates a distribution density of Al—Fe intermetallic compound particles having maximum diameters of 10 ?m or more and less than 16 ?m, and B indicates a distribution density of Al—Fe intermetallic compound particles having maximum diameters of 10 ?m or more. The distribution density of Al—Fe intermetallic compound particles having maximum diameters of 40 ?m or more is at most one per square millimeter. Also provided are a method of fabricating this aluminum alloy substrate for a magnetic disk and a magnetic disk composed of the aluminum alloy substrate for a magnetic disk.
    Type: Application
    Filed: February 6, 2019
    Publication date: December 3, 2020
    Inventors: Kotaro KITAWAKI, Makoto YONEMITSU, Hideyuki HATAKEYAMA, Takashi NAKAYAMA, Yasuo FUJII, Ryo SAKAMOTO
  • Publication number: 20200377984
    Abstract: Provided are: an aluminum alloy substrate for a magnetic disk, including an aluminum alloy including 0.4 to 3.0 mass % of Fe with the balance of Al and unavoidable impurities; a method for producing the aluminum alloy substrate for a magnetic disk; and a magnetic disk in which an electroless Ni—P plating treatment layer and a magnetic layer formed thereon are disposed on a surface of the aluminum alloy substrate for a magnetic disk.
    Type: Application
    Filed: February 9, 2018
    Publication date: December 3, 2020
    Inventors: Kotaro KITAWAKI, Takuya MURATA, Makoto YONEMITSU, Kouichiro TAKIGUCHI, Takashi NAKAYAMA, Kimie IMAKAWA, Yasuo FUJII, Hideyuki HATAKEYAMA
  • Publication number: 20200365180
    Abstract: There are provided: an aluminum alloy substrate for a magnetic disk, in which the product of the sheet thickness and loss factor of the substrate is 0.7×10?3 or more; a method for producing the aluminum alloy substrate for a magnetic disk; and a magnetic disk, in which an electroless Ni—P plating treatment layer and a magnetic layer formed thereon are disposed on a surface of the aluminum alloy substrate for a magnetic disk.
    Type: Application
    Filed: August 22, 2018
    Publication date: November 19, 2020
    Inventors: Kotaro KITAWAKI, Makoto YONEMITSU, Takashi NAKAYAMA, Toshihiro NAKAMURA, Ryo SAKAMOTO, Hideyuki HATAKEYAMA
  • Patent number: 10840761
    Abstract: A stator includes: a stator core that includes a plurality of slots; a stator coil that is formed by connecting a plurality of segment conductors to each other; and an insulating member that has insulating properties, in which the segment conductor includes a slot portion and an inclined portion, the slot portion is disposed inside the slot, the inclined portion is disposed outside the slot to be inclined from the slot portion, the insulating member is mounted on the stator core and includes a first insulating portion and a plurality of second insulating portions, the first insulating portion is disposed next to the slot portion, the second insulating portions extend from the first insulating portion in an axial direction and are provided along a radial direction of the stator core, and the second insulating portions insulate adjacent segment conductors in an coil end from each other.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: November 17, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS ENGINEERING, LTD.
    Inventors: Takashi Ishigami, Hiroshi Kanazawa, Kenji Nakayama
  • Patent number: 10840784
    Abstract: An object of the invention is to increase productivity of a coil. A coil forming device according to the present invention includes: a first bending unit 200A that performs a compression bending process with respect to a linear conductor; and a second bending unit 200B that performs a draw bending process with respect to the linear conductor, wherein the first bending unit 200A and the second bending unit 200B are integrated in one device, and wherein the first bending unit 200A and the second bending unit 200B are switched to access one linear conductor so as to perform the compression bending process and the draw bending process onto the one linear conductor.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: November 17, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Takashi Genmoto, Teruaki Higuchi, Kenichi Nakayama, Hiroyuki Takahoshi, Tomohiro Fukuda
  • Publication number: 20200351142
    Abstract: [Object] To realize IQ imbalance correction in a more preferable aspect. [Solution] An information processing device including: a calculation unit configured to calculate an error between predetermined reference coordinates on an IQ plane and a signal point of a received predetermined reference signal on a basis of a reception result of the reference signal on which phase modulation or quadrature amplitude modulation is implemented and mapping information of the reference signal; and a generation unit configured to generate correction data for correcting a deviation of a signal point of a received signal on a basis of a calculation result of the error.
    Type: Application
    Filed: July 20, 2020
    Publication date: November 5, 2020
    Applicant: Sony Mobile Communications Inc.
    Inventor: Takashi NAKAYAMA
  • Publication number: 20200340699
    Abstract: An air conditioner switches between a normal refrigeration cycle and a defrosting refrigeration cycle, and includes: a refrigerant circuit that connects a first heat exchanger, a second heat exchanger, a radiation panel, and an expansion valve that regulates a flow rate of a refrigerant flowing through the radiation panel; and a controller that causes the air conditioner to switch between the normal refrigeration cycle and the defrosting cycle. During the normal refrigeration cycle, the radiation panel performs cooling or heating. During the defrosting cycle, the first heat exchanger serves as a radiator and the second heat exchanger serves as an evaporator. During the defrosting cycle, the controller causes the expansion valve to be in a fully closed state.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 29, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroshi Ebina, Takashi Hasegawa, Toshimichi Nakayama
  • Patent number: 10818813
    Abstract: In order to improve the performance of a semiconductor device, a semiconductor layer EP is formed over a p-type semiconductor PR. An n-type semiconductor layer NR1 is formed over the semiconductor layer EP. The semiconductor layer PR, the semiconductor layer EP, and the semiconductor layer NR1 respectively configure part of a photoreceiver. A cap layer of a material different from that of the semiconductor layer EP is formed over the semiconductor layer EP, and a silicide layer, which is a reaction product of a metal and the material included in the cap layer, is formed within the cap layer. A plug having a barrier metal film BM1 is formed over the cap layer through the silicide layer. Here, a reaction product of the metal and the material included in the semiconductor layer NR1 is not formed within the semiconductor layer NR1.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: October 27, 2020
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Tomoo Nakayama, Shinichi Watanuki, Futoshi Komatsu, Teruhiro Kuwajima, Takashi Ogura, Hiroyuki Okuaki, Shigeaki Shimizu
  • Patent number: 10777287
    Abstract: A memory control apparatus includes a randomizer configured to: randomize write data output from an arithmetic processing apparatus, and output the randomized write data to a memory; a derandomizer configured to: derandomize data read from the memory, and generate derandomized read data when a flag included in the data read from the memory indicates the randomized write data; and a selector configured to: select the derandomized read data and output the selected derandomized read data to the arithmetic processing apparatus when the flag indicates the randomized write data, and select the data read from the memory and output the selected read data to the arithmetic processing apparatus when the flag indicates deleted data.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: September 15, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Masayoshi Matsumura, Hiroshi Nakayama, Takao Matsui, Takashi Yamamoto, Yuka Hosokawa
  • Patent number: 10775620
    Abstract: A virtual-image forming device includes a device body having an opening; a real-image forming unit disposed within the device body to output light; a mirror to reflect the light output from the real-image forming unit; and an optical element. The optical element has positive power to refract the light reflected by the mirror and let the light exit through the opening to form of the light on a transmission and reflection member.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: September 15, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Takahiro Nakayama, Hibiki Tatsuno, Takashi Kubota, Naoki Nakamura
  • Patent number: 10767247
    Abstract: There are provided: an aluminum alloy magnetic disk substrate including: an aluminum alloy base material including an aluminum alloy containing 0.4 to 3.0 mass % (hereinafter, simply referred to as “%”) of Fe, 0.1 to 3.0% of Mn, 0.005 to 1.000% of Cu, and 0.005 to 1.000% of Zn, with the balance of Al and unavoidable impurities; and an electroless Ni—P plated layer formed on a surface of the aluminum alloy base material, in which the peak value (BLEI) of Fe emission intensity at an interface between the electroless Ni—P plated layer and the aluminum alloy base material, as determined by a glow discharge optical emission spectrometry device, is lower than Fe emission intensity (AlEI) in the interior of the aluminum alloy base material, as determined by the glow discharge optical emission spectrometry device; and a method for producing the aluminum alloy magnetic disk substrate.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: September 8, 2020
    Assignees: UACJ Corporation, Furukawa Electric Co., Ltd.
    Inventors: Takuya Murata, Kotaro Kitawaki, Makoto Yonemitsu, Naoki Kitamura, Takashi Nakayama, Hideyuki Hatakeyama, Ryo Sakamoto, Sadayuki Toda
  • Patent number: 10764106
    Abstract: [Object] To realize IQ imbalance correction in a more preferable aspect. [Solution] An information processing device including: a calculation unit configured to calculate an error between predetermined reference coordinates on an IQ plane and a signal point of a received predetermined reference signal on a basis of a reception result of the reference signal on which phase modulation or quadrature amplitude modulation is implemented and mapping information of the reference signal; and a generation unit configured to generate correction data for correcting a deviation of a signal point of a received signal on a basis of a calculation result of the error.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: September 1, 2020
    Assignee: SONY MOBILE COMMUNICATIONS INC.
    Inventor: Takashi Nakayama
  • Patent number: 10751996
    Abstract: A piezoelectric device includes in a piezoelectric layer, a recessed portion which is provided outside an active portion and opens on the side opposite to a substrate is provided, in a lamination direction of the substrate and a piezoelectric element, a first barrier layer formed of a material other than the zirconium oxide is formed in a region of a vibration plate opposite to the substrate and overlapping a bottom surface of the recessed portion, and the first barrier layer is not formed in a portion of a region overlapping the active portion in the lamination direction.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: August 25, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Motoki Takabe, Masao Nakayama, Takanori Aimono, Takashi Kasahara
  • Publication number: 20200267306
    Abstract: An image sensor includes: a photoelectric conversion unit that photoelectrically converts incident light and generates electric charge; a reflecting portion that reflects a portion of light passing through the photoelectric conversion unit toward the photoelectric conversion unit; a first output unit that outputs electric charge generated due to photoelectric conversion by the photoelectric conversion unit of light reflected by the reflecting portion; and a second output unit that outputs electric charge generated due to photoelectric conversion by the photoelectric conversion unit of light other than the light reflected by the reflecting portion.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 20, 2020
    Applicant: Nikon Corporation
    Inventors: Satoshi NAKAYAMA, Toru TAKAGI, Takashi SEO, Ryoji ANDO, Shutaro KATO
  • Publication number: 20200254622
    Abstract: A machine learning device that learns an operation of a robot for picking up, by a hand unit, any of a plurality of workpieces placed in a random fashion, including a bulk-loaded state, includes a state variable observation unit that observes a state variable representing a state of the robot, including data output from a three-dimensional measuring device that obtains a three-dimensional map for each workpiece, an operation result obtaining unit that obtains a result of a picking operation of the robot for picking up the workpiece by the hand unit, and a learning unit that learns a manipulated variable including command data for commanding the robot to perform the picking operation of the workpiece, in association with the state variable of the robot and the result of the picking operation, upon receiving output from the state variable observation unit and output from the operation result obtaining unit.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: Takashi YAMAZAKI, Takumi OYAMA, Shun SUYAMA, Kazutaka NAKAYAMA, Hidetoshi KUMIYA, Hiroshi NAKAGAWA, Daisuke OKANOHARA, Ryosuke OKUTA, Eiichi MATSUMOTO, Keigo KAWAAI
  • Patent number: 10717196
    Abstract: A machine learning device that learns an operation of a robot for picking up, by a hand unit, any of a plurality of workpieces placed in a random fashion, including a bulk-loaded state, includes a state variable observation unit that observes a state variable representing a state of the robot, including data output from a three-dimensional measuring device that obtains a three-dimensional map for each workpiece, an operation result obtaining unit that obtains a result of a picking operation of the robot for picking up the workpiece by the hand unit, and a learning unit that learns a manipulated variable including command data for commanding the robot to perform the picking operation of the workpiece, in association with the state variable of the robot and the result of the picking operation, upon receiving output from the state variable observation unit and output from the operation result obtaining unit.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 21, 2020
    Assignees: FANUC CORPORATION, PREFERRED NETWORKS, INC.
    Inventors: Takashi Yamazaki, Takumi Oyama, Shun Suyama, Kazutaka Nakayama, Hidetoshi Kumiya, Hiroshi Nakagawa, Daisuke Okanohara, Ryosuke Okuta, Eiichi Matsumoto, Keigo Kawaai