Patents by Inventor Akira Yamazaki

Akira Yamazaki 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: 10931843
    Abstract: A multi feed detection device includes a position detector that detects a position of paper being transported, a multi feed detector that is disposed on a downstream side of the position detector in a paper transport direction and detects multi feed of the paper being transported, and a control section that performs control such that multi feed detection by the multi feed detector is stopped when a leading end of paper being transported next to paper, on which multi feed detection is executed by the multi feed detector, is detected by the position detector.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: February 23, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Tsuyoshi Mabara, Akira Yamazaki
  • Publication number: 20210009818
    Abstract: The conductive composition of the present invention includes a conductive polymer (A) having an acidic group, and a basic compound (B) having a cyclic amide and an amino group in its molecule. The conductive film of the present invention is formed from the conductive composition. The laminate of the present invention includes a substrate; an electron beam resist layer, formed on at least one surface of the substrate; and a conductive film formed on the electron beam resist layer.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 14, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masashi UZAWA, Shinji SAIKI, Akira YAMAZAKI
  • Publication number: 20210005343
    Abstract: The conductive film of the present invention includes a conductive polymer (A) and has a film thickness of 35 nm or less, wherein: a surface resistance of the conductive film is 1×1011 ?/sq. or less, and a standard deviation of current that flows through the conductive film upon application of voltage to the conductive film is 5 or less. The conductor of the present invention has a substrate, and the conductive film provided on at least a part of the surface of the substrate. The resist pattern forming method of the present invention includes a lamination step of forming the conductive film on a surface of a resist layer including a chemically amplified resist, said resist layer formed on one surface of a substrate, and an exposure step of irradiating the substrate with an electron beam according to a pattern on its side on which the conductive film is formed.
    Type: Application
    Filed: September 2, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Saki MAKIGAWA, Akira YAMAZAKI, Naoko YAMADA, Yoshiko IRIE, Shinji SAIKI, Masashi UZAWA
  • Publication number: 20200347244
    Abstract: A conductive composition comprising a conductive polymer (A), a water-soluble polymer (B), and a solvent (C1), wherein: the water-soluble polymer (B) comprises a water-soluble polymer (B11) represented by formula (11), and an amount of a water-soluble polymer (B2) represented by formula (2) as the water-soluble polymer (B) is 0.15% by mass or less, based on a total mass of the conductive composition: wherein R1 denotes a linear or branched alkyl group with 6 to 20 carbon atoms, each of R4 and R5 independently denotes a methyl or ethyl group, R6 denotes a hydrophilic group, R7 denotes a hydrogen atom or a methyl group, Y1 denotes a single bond, —S—, —S(?O)—, —C(?O)—O— or —O—, Z denotes a cyano group or a hydroxy group, each of p1 and q denotes an average number of repetitions, and is a number of from 1 to 50, and m denotes a number of from 1 to 5.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Saki MAKIGAWA, Shinji SAIKI, Yoshiko IRIE, Masashi UZAWA, Akira YAMAZAKI
  • Patent number: 10773276
    Abstract: The coating film formed on an automobile body has softness during a film formation even on a thermally expandable/shrinkable base, and the cured film has an excellent appearance. Provided is a method for forming a multilayer coating film, the method comprises: applying an aqueous intermediate coating composition and preheating the applied composition at 60 to 90° C. to form an uncured film; preheating to form an uncured base coating film and a clear coating film; and baking and curing these uncured films to form a multilayer coating film, wherein the aqueous intermediate coating composition comprises (a) an acrylic resin emulsion having a specific properties, and (b) a film formation auxiliary agent that is a fatty acid diester compound having a boiling point of 280° C. to 350° C., and a cured film comprising (a) and (b) at a mass ratio of 3:1 has a rupture elongation of 1% or more.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 15, 2020
    Assignees: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki Kawabata, Akira Yamazaki, Masako Hase, Keiji Ambo, Yoshinori Narita
  • Publication number: 20200280258
    Abstract: A device includes: a first power conversion circuitry configured to convert primary-side power into secondary-side power; and a control circuitry configured to: generate a command value associated with the secondary-side power; calculate a limited command value by modifying the command value so that the command value is equal to or less than a secondary-side limit, wherein the first power conversion circuitry is controlled based on the limited command value; transmit the limited command value to a second power conversion device comprising a second power conversion circuitry connected in parallel to the first power conversion circuitry; receive, from the second power conversion device, information indicating an adjustment value, wherein the adjustment value is added to the limited command value for controlling the second power conversion circuitry; and modify the secondary-side limit based on a difference between a primary-side limit associated with the primary-side power and the adjustment value.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 3, 2020
    Inventors: Akira YAMAZAKI, Kentaro INOMATA, Masato HIGUCHI
  • Publication number: 20200149766
    Abstract: A device that can accurately detect clogging of a filter and that has a simple structure is provided. A device for measuring clogging of a filter in an air conditioner (2) having a blower (30) that blows gas (40), (42) through a duct (10) and a filter (20) that is provided in the duct (10) and filters dust floating in the gas, comprises a device (26) for measuring a sound pressure that is provided in the duct (10), a data processor (70) that extracts data on the sound pressure at a specific frequency from the data on the sound pressure that have been measured by means of the device (26) for measuring a sound pressure, and an estimating device (70) that estimates clogging of the filter based on the data on the sound pressure at the specific frequency that have been extracted by means of the data processor (70).
    Type: Application
    Filed: July 5, 2018
    Publication date: May 14, 2020
    Inventors: Toshiro Kisakibaru, Isao Honbori, Akira Yamazaki
  • Publication number: 20200144930
    Abstract: A power conversion apparatus connectable in parallel to a second power conversion apparatus includes circuitry that generates a carrier wave, generates a pulse signal synchronized with the carrier wave, generates power that is based on a width of the pulse signal, obtains a monitor value corresponding to a circulating current circulating between the power conversion apparatus and the second power conversion apparatus, and based on the monitor value obtained while the power conversion circuitry is generating driving power, changes a period of the carrier wave to decrease the circulating current.
    Type: Application
    Filed: November 1, 2019
    Publication date: May 7, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Kentaro Inomata, Akira Yamazaki, Masato Higuchi, Hidenori Hara
  • Publication number: 20200106906
    Abstract: A multi feed detection device includes a position detector that detects a position of paper being transported, a multi feed detector that is disposed on a downstream side of the position detector in a paper transport direction and detects multi feed of the paper being transported, and a control section that performs control such that multi feed detection by the multi feed detector is stopped when a leading end of paper being transported next to paper, on which multi feed detection is executed by the multi feed detector, is detected by the position detector.
    Type: Application
    Filed: April 9, 2019
    Publication date: April 2, 2020
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tsuyoshi MABARA, Akira YAMAZAKI
  • Publication number: 20190359833
    Abstract: A conductive composition including a conductive polymer (A), a water-soluble polymer (B) other than the conductive polymer (A), and a solvent (C), wherein a peak area ratio is 0.44 or less, which is determined based on results of analysis performed using a high performance liquid chromatograph mass spectrometer with respect to a test solution obtained by extracting the water-soluble polymer (B) from the conductive composition with n-butanol, and calculated by formula (I): Area ratio=Y/(X+Y) wherein X is a total peak area of an extracted ion chromatogram prepared with respect to ions derived from compounds having a molecular weight (M) of 600 or more from a total ion current chromatogram, Y is a total peak area of an extracted ion chromatogram prepared with respect to ions derived from compounds having a molecular weight (M) of less than 600 from the total ion current chromatogram.
    Type: Application
    Filed: August 8, 2019
    Publication date: November 28, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Akira YAMAZAKI, Shinji SAIKI, Yoshiko IRIE, Masashi UZAWA
  • Patent number: 10488757
    Abstract: This conductive composition includes: a conductive polymer (a) having a sulfonic acid group and/or a carboxy group; a basic compound (b) having at least one nitrogen-containing heterocyclic ring and an amino group; an aqueous polymer (c) having a hydroxyl group (excluding the conductive polymer (a)); a hydrophilic organic solvent (d); and water (e).
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: November 26, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Akira Yamazaki, Masashi Uzawa, Hiroya Fukuda
  • Patent number: 10469256
    Abstract: Provided is a cryptographic communication system including a first semiconductor device and a second semiconductor device. The first semiconductor device includes a common key generation unit that generates a common key CK(a) by using a unique code UC(a) and correction data CD(a), and an encryption unit that encrypts the common key CK(a) generated in the common key generation unit by using a public key PK(b) of the second semiconductor device. The second semiconductor device includes a secret key generation unit that generates a secret key SK(b) by using a unique code UC(b) and correction data CD(b), and a decryption unit that decrypts the common key CK(a) encrypted in the encryption unit by using the secret key SK(b).
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: November 5, 2019
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Shigemasa Shiota, Shigeru Furuta, Masayuki Hirokawa, Akira Yamazaki, Daisuke Oshida
  • 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: 10346073
    Abstract: A storage control apparatus includes a memory and a processor. The memory stores selection condition information relating to a selection condition for storage devices to construct a RAID, group information relating to groups to which the storage devices belong, and connection information indicating a connection configuration of the storage devices. The processor is configured to perform a procedure including: selecting the storage devices that match the selection condition information; extracting groups to which the selected storage devices belong based on the group information; assigning group priorities, which indicate selection priorities in units of the groups of the storage devices, to the extracted groups based on the connection information; and selecting one storage device from each of the extracted groups in accordance with the group priorities until a predetermined number of storage devices have been selected.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: July 9, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Atsuhiro Otaka, Akiko Sakaguchi, Hidetoshi Satou, Takahiro Yumoto, Akira Yamazaki
  • Patent number: 10199971
    Abstract: A motor controller includes a driver, a current detector, and a command generator. The driver is configured to drive a power converter based on a flux command on which an exploration signal is superimposed. The current detector is configured to detect an output current output from the power converter that has been driven by the driver. The command generator is configured to generate the flux command so as to reduce a current component, among current components included in the output current detected by the current detector, that corresponds to the exploration signal.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: February 5, 2019
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Akira Yamazaki
  • Patent number: 10186343
    Abstract: Provided are: a conductive composition containing a conductive polymer (A) satisfying the below-mentioned condition (i) and a compound (B) having at least 3 hydroxyl groups, and having a pH at 25° C. of a 1 mol/L aqueous solution of no greater than 9.0; a conductive composition that further contains a water-soluble polymer (C) having a hydroxyl group; and a solid electrolytic capacitor having a solid electrolytic layer containing the composition. Condition (i): the volume-average particle size of the smallest particle distribution containing the smallest peak exhibited by the particle size among at least one peak obtained by measuring the particle distribution by means of a dynamic light scattering method using a conductive polymer solution containing 1% by mass of the conductive polymer being less than 26 nm.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 22, 2019
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Akira Yamazaki, Takahiro Sakai, Kohei Yamada
  • Publication number: 20180281019
    Abstract: The coating film formed on an automobile body has softness during a film formation even on a thermally expandable/shrinkable base, and the cured film has an excellent appearance. Provided is a method for forming a multilayer coating film, the method comprises: applying an aqueous intermediate coating composition and preheating the applied composition at 60 to 90° C. to form an uncured film; preheating to form an uncured base coating film and a clear coating film; and baking and curing these uncured films to form a multilayer coating film, wherein the aqueous intermediate coating composition comprises (a) an acrylic resin emulsion having a specific properties, and (b) a film formation auxiliary agent that is a fatty acid diester compound having a boiling point of 280° C. to 350° C., and a cured film comprising (a) and (b) at a mass ratio of 3:1 has a rupture elongation of 1% or more.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Applicants: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takayuki KAWABATA, Akira YAMAZAKI, Masako HASE, Keiji AMBO, Yoshinori NARITA
  • Patent number: 10049780
    Abstract: The electroconductive composition of the present invention contains an electroconductive polymer (A) having a sulfonic acid group and/or carboxylic acid group, and a basic compound (B) having two or more nitrogen atoms. The electrical conductor of the present invention consists of the electroconductive composition. In the laminate of the present invention, the electrical conductor is laminated on at least one surface of a substrate. The method for producing a laminate of the present invention includes applying the electroconductive composition to at least one surface of a substrate, heating and drying the composition, and forming an electrical conductor. The electroconductive film of the present invention is provided with the electrical conductor.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: August 14, 2018
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masashi Uzawa, Akira Yamazaki, Hiroya Fukuda
  • Publication number: 20180154299
    Abstract: To provide a high-temperature filter having a seal to maintain filtering properties and generating less dust at a high temperature. The high-temperature filter (1) comprises a filtering medium (2) made of glass fibers, which is folded in a zigzag pattern; a separator (4) that is folded in a wave shape and inserted into gaps of the filtering medium; a frame (6) made of stainless steel that houses the filtering medium and the separator; and end seals (8) made of ceramic that is applied to the frame and solidified after an end of the filtering medium is immersed thereinto, which ceramic is modified to have a coefficient of thermal expansion that is the same as that of the stainless steel. The separator is preferably made of the glass fibers used for the filtering medium. A spacer (14) may be provided on the surface of the filtering medium instead of the separator.
    Type: Application
    Filed: May 15, 2015
    Publication date: June 7, 2018
    Inventors: Akira Yamazaki, Yuji Murata
  • Patent number: 9945290
    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. In case the controller determines that the engine-driven working machine gets started saw cutting, the controller stops varying the control value of the solenoid valve when the rotating speed of the engine is within the predetermined high rotating speed range and lower than the target rotating speed.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: April 17, 2018
    Assignees: Yamabiko Corporation, IIDA Denki Kogyo Co., Ltd.
    Inventors: Takamasa Otsuji, Shiro Yamaguchi, Kosuke Matsumoto, Hiroyuki Miyaki, Akira Yamazaki