Patents by Inventor Akito Sato

Akito Sato 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: 10920301
    Abstract: An aluminum alloy casting excellent in high temperature strength and thermal conductivity, a method of producing the same, and an aluminum alloy piston for internal combustion engine using this casting. An aluminum alloy casting having a chemical composition comprising Si: 12.0 to 13.5 mass % Cu: 4.5 to 5.5 mass % Mg: 0.6 to 1.0 mass % Ni: 0.7 to 1.3 mass % Fe: 1.15 to 1.25 mass % Ti: 0.10 to 0.2 mass % P: 0.004 to 0.02 mass % and a balance of Al and unavoidable impurities, wherein in an observed field of view of 0.2 mm2, the major axis length of the Al—Fe—Si based crystallites is 100 ?m or less by average length of 10 crystallites from the largest down. The method for producing the casting comprising casting a melt of aluminum alloy having the above chemical composition at cooling rate of 100° C./sec or more, then performing aging treatment.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 16, 2021
    Assignees: Nippon Light Metal Company, Ltd., Honda Motor Co., Ltd.
    Inventors: Izumi Yamamoto, Kazuhiro Oda, Hisayasu Kojima, Naoko Sato, Ryo Wakabayashi, Akito Tanihata
  • Publication number: 20210040649
    Abstract: An object of the present invention is to provide a method for efficiently manufacturing a protein crimped staple from protein filaments at a low cost. A manufacturing method for a protein crimped staple according to the present invention includes: a) preparing an artificial fibroin filament containing a modified fibroin; b) cutting the artificial fibroin filament to obtain an artificial fibroin staple; and c) performing crimping by bringing the artificial fibroin filament into contact with an aqueous medium to crimp the artificial fibroin filament before the cutting or bringing the artificial fibroin staple into contact with an aqueous medium to crimp the artificial fibroin staple after the cutting.
    Type: Application
    Filed: January 31, 2019
    Publication date: February 11, 2021
    Applicant: Spiber Inc.
    Inventors: Akito Sato, Yunosuke Abe
  • Publication number: 20200338543
    Abstract: In one embodiment, an antibacterial material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide complex microparticles. The microparticles, which have undergone a test to evaluate viable cell count by inoculating in a test piece, to which the microparticles are adhered in a range of 0.02 mg/cm? or more and 40 mg/cm? or less, at least one bacterium selected from among Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, methicillin-resistant Staphylococcus aureus, and enterohemorrhagic Escherichia coli, and storing for 24 hours, have an antibacterial activity value R of 0.1 or more expressed by the following: R=log(B1/C1) where, B1 denotes an average value (number) of viable cell count after storing an untreated test piece for 24 hours, and C1 denotes an average value (number) of viable cell count after storing the test piece on which the microparticles are coated for 24 hours.
    Type: Application
    Filed: May 12, 2020
    Publication date: October 29, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Kayo NAKANO, Akira SATO, Yasuhiro SHIRAKAWA, Keiichi FUSE, Shinya KASAMATSU, Akito SASAKI
  • Patent number: 10789926
    Abstract: A supporting apparatus (40) for a kick pad (1) includes a supporting frame (41˜44) that supports a kick pad (1) including a piezoelectric element that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, and a fixation frame (51, 52) that fixes the supporting apparatus (40) to an inner surface of a shell of a bass drum while a striking surface (2a) of the kick pad (1) is arranged in a position beaten by the beater.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: September 29, 2020
    Assignee: Pearl Musical Instrument Co.
    Inventors: Yuichi Sato, Takashi Koizumi, Akito Takegawa
  • Patent number: 10770041
    Abstract: A kick pad includes a piezoelectric element (1) that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, an impact-absorbing member (5) arranged between the piezoelectric element (1) and a surface (21a) to be beaten by the beater, and a sheet-like striking surface cover (21) that includes a front surface including the surface (21a) to be beaten, and that wraps the impact-absorbing member (5), together with the piezoelectric element (1), on a back surface side of the striking surface cover (21).
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: September 8, 2020
    Assignee: Pearl Musical Instrument Co.
    Inventors: Takashi Koizumi, Yuichi Sato, Akito Takegawa
  • Publication number: 20190318716
    Abstract: A supporting apparatus (40) for a kick pad (1) includes a supporting frame (41˜44) that supports a kick pad (1) including a piezoelectric element that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, and a fixation frame (51, 52) that fixes the supporting apparatus (40) to an inner surface of a shell of a bass drum while a striking surface (2a) of the kick pad (1) is arranged in a position beaten by the beater.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 17, 2019
    Inventors: Yuichi Sato, Takashi Koizumi, Akito Takegawa
  • Publication number: 20190213984
    Abstract: A kick pad includes a piezoelectric element (1) that converts a vibration generated by beating with a beater into an electric signal and outputs the electric signal, an impact-absorbing member (5) arranged between the piezoelectric element (1) and a surface (21a) to be beaten by the beater, and a sheet-like striking surface cover (21) that includes a front surface including the surface (21a) to be beaten, and that wraps the impact-absorbing member (5), together with the piezoelectric element (1), on a back surface side of the striking surface cover (21).
    Type: Application
    Filed: January 8, 2019
    Publication date: July 11, 2019
    Inventors: Takashi KOIZUMI, Yuichi SATO, Akito TAKEGAWA
  • Publication number: 20190213985
    Abstract: A supporter (10) attaches a kick pad to be beaten with a beater to a stand installed on a floor surface. The supporter (10) includes an elastic member (1) that fixes the kick pad to one end as viewed in a direction intersecting with a direction in which the kick pad is beaten with the beater, and that fixes the other end as viewed in the intersecting direction to the stand.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 11, 2019
    Inventors: Akito TAKEGAWA, Yuichi SATO
  • Patent number: 10327445
    Abstract: In one embodiment, an antiviral material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide composite microparticles. The microparticles have an inactivation effect R of 1 or more expressed by [R=log C?log A], when there is evaluated a virus titer by inoculating on a specimen to which the microparticles are adhered, at least one virus selected from a low pathogenic avian influenza virus (H9N2), a high pathogenic avian influenza virus (H5N1) and a swine influenza virus, and irradiating the specimen with visible light having a wavelength of 380 nm or more and illuminance of 6000 lx. for 24 hours.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: June 25, 2019
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Kayo Nakano, Akira Sato, Takao Kusaka, Shinya Kasamatsu, Akito Sasaki, Daisuke Fukushi
  • Patent number: 10315435
    Abstract: A printing apparatus including: a first nozzle group including a first and third nozzles which ejects a first liquid; and a second nozzle group including a second nozzle which ejects a second liquid, in which, when an ejection state of the liquid ejected from the one nozzle which belongs to the first nozzle group is abnormal, complementation is performed using complementation modes of a first complementation mode that increases the amount of a liquid to be ejected from the first nozzle instead of allowing the one nozzle to eject the liquid, a second complementation mode that increases the amount of the liquid to be ejected from the second nozzle instead of allowing the one nozzle to eject the liquid, and a third complementation mode that increases the amount of the liquid to be ejected from the third nozzle instead of allowing the liquid to be ejected from the one nozzle.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: June 11, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Yuko Yamamoto, Yuichi Yoneyama
  • Patent number: 10241414
    Abstract: An image forming device in which a plurality of nozzles are aligned in a designated alignment direction, wherein a plurality of pixels constituting a formed image includes dot omission pixels continuous in a scan direction by a defective nozzle included in the plurality of nozzles, and neighboring pixels within a designated distance in the alignment direction from the dot omission pixels, the image forming device comprising a pattern determining unit configured to determine a dot pattern after supplementation formed on neighboring pixels within designated range based on at least the number of dots to be formed on the pixels within the designated range including a portion of the dot omission pixels and a portion of the neighboring pixels according to recording data before supplementation of dots by the defective nozzle, and a pattern forming unit configured to form the dot pattern after supplementation.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: March 26, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo
  • Patent number: 10232607
    Abstract: There is a provided a liquid droplet discharging control device which causes a liquid droplet discharging apparatus including a head, in which a plurality of nozzles are arranged in a predetermined direction, to perform printing and which is capable of executing a nearby compensation process in which, on the basis of a dot position on which a predetermined nozzle for black ink forms a dot, a nearby nozzle that forms a dot in the vicinity of the dot forms a dot and executing a composite compensation process. The liquid droplet discharging control device includes a parameter acquiring unit that acquires parameters corresponding to the degree of liquid spreading toward a periphery after adhesion of a liquid droplet to a medium, and a compensation switching unit that switches between execution of the nearby compensation process and execution of the composite compensation process on the basis of the parameters.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: March 19, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo
  • Patent number: 10166760
    Abstract: Provided is a droplet ejection control apparatus that causes a droplet ejection apparatus including a head in which a plurality of nozzles are disposed being aligned in a predetermined direction to perform overlap printing in which printing is duplicated in a predetermined region using a first nozzle row group and a second nozzle row group, and includes a control unit which sets an amount of droplets, when a predetermined condition is satisfied, to a value corresponding to the stated condition based on print control data according to which the first nozzle row group and the second nozzle row group perform superimposition printing.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 1, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo
  • Publication number: 20180257393
    Abstract: An image processing device, which generates recording data for causing a recording head which includes an overlapping portion in which nozzles of a first nozzle column and a second nozzle column are partially overlapped in a nozzle aligning direction of the nozzle column to eject liquid droplets, includes a predetermined inclination correction amount obtaining unit which obtains a predetermined inclination correction amount for correcting recording density which is changed when the recording head is inclined by a predetermined angle from a reference position, with respect to recording density of the liquid droplets using nozzles of the overlapping portion; an inclination angle obtaining unit for obtaining an inclination angle of the recording head from the reference position; and a recording data generating unit for generating the recording data so that recording density of the liquid droplets using the nozzles of the overlapping portion is corrected based on the predetermined inclination correction amount, a
    Type: Application
    Filed: February 22, 2018
    Publication date: September 13, 2018
    Inventors: Akito SATO, Takuma HAYASHI, Masahiro FUKAZAWA
  • Patent number: 10016975
    Abstract: There is provided a liquid droplet discharging control device for a liquid droplet discharging apparatus which includes a liquid droplet discharging head in which a plurality of nozzles discharging liquid droplets are formed, discharges liquid droplets while relatively moving the head and a medium in a direction intersecting a direction in which the nozzles are arranged. The liquid droplet discharging control device includes a controller that causes a first nearby nozzle, which discharges a dot adjacent to a dot row corresponding to a predetermined nozzle which is not capable of discharging a liquid droplet, to discharge a liquid droplet for a dot of a large size and that causes a second nearby nozzle, which is separated from the predetermined nozzle and discharges a dot adjacent to a dot row corresponding to the first nearby nozzle, to discharge no liquid droplet for a dot.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 10, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo
  • Patent number: 10005274
    Abstract: An image forming device includes a pattern determining unit and a pattern forming unit. In response to determining that dots are formed continuously in a moving direction on a dot omission pixels within a designated range in the moving direction based on recording data before supplementation of dots by a defective nozzle, and in response to determining that dots are formed continuously in the moving direction on adjacent pixels within the designated range, the pattern determining unit determines a dot pattern after supplementation for a plurality of pixels based on the recording data such that the dot pattern after supplementation is indicative of either enlarging at least a portion of dots formed on the adjacent pixels within the designated range or arranging dots in secondary adjacent pixels within the designated range regardless of dot arrangement of the secondary adjacent pixels according to the recording data before supplementation of dots.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: June 26, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo
  • Publication number: 20180143538
    Abstract: An image forming device in which a plurality of nozzles are aligned in a designated alignment direction, wherein a plurality of pixels constituting a formed image includes dot omission pixels continuous in a scan direction by a defective nozzle included in the plurality of nozzles, and neighboring pixels within a designated distance in the alignment direction from the dot omission pixels, the image forming device comprising a pattern determining unit configured to determine a dot pattern after supplementation formed on neighboring pixels within designated range based on at least the number of dots to be formed on the pixels within the designated range including a portion of the dot omission pixels and a portion of the neighboring pixels according to recording data before supplementation of dots by the defective nozzle, and a pattern forming unit configured to form the dot pattern after supplementation.
    Type: Application
    Filed: January 22, 2018
    Publication date: May 24, 2018
    Inventors: Akito Sato, Naoki Sudo
  • Patent number: 9944068
    Abstract: In a droplet ejection control apparatus according to the invention, a judgment section judges, taking a dot position that is assigned by a predetermined nozzle (incorrect ejection position) as a reference, whether or not a printing state is such that a second proximity dot lands earlier than a first proximity dot. A changing section changes an ejection state, when the ejection state is judged to be such that the second proximity dot lands earlier than the first proximity dot, to another ejection state in which the first proximity dot lands earlier than the second proximity dot.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: April 17, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hiroki Sato, Naoki Sudo, Tomoyuki Nakano, Akito Sato
  • Patent number: 9931861
    Abstract: A printing control apparatus includes a defective nozzle detecting section that detects a defective nozzle included in the plurality of nozzles; and a complementing section that forms a complementary dot which complements dots of a first raster to be recorded using the defective nozzle on at least one of a second raster and the first raster using a complementary nozzle included in the plurality of nozzles. The complementing section includes an adjusting section which sets main scanning being performed after the defective nozzle is detected as a first main scanning, sets main scanning being performed M times after the defective nozzle is detected as a M-th main scanning, and allows a usage rate of ink in the first main scanning to be greater than a usage rate of ink in the M-th main scanning, regarding the usage rate of ink discharged using the same complementary nozzle.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: April 3, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Masahiro Fukazawa, Akito Sato, Naoki Sudo, Hiroki Sato
  • Patent number: 9927710
    Abstract: An image forming device in which a plurality of nozzles are aligned in a designated alignment direction, wherein a plurality of pixels constituting a formed image includes dot omission pixels continuous in a scan direction by a defective nozzle included in the plurality of nozzles, and neighboring pixels within a designated distance in the alignment direction from the dot omission pixels, the image forming device comprising a pattern determining unit configured to determine a dot pattern after supplementation formed on neighboring pixels within designated range based on at least the number of dots to be formed on the pixels within the designated range including a portion of the dot omission pixels and a portion of the neighboring pixels according to recording data before supplementation of dots by the defective nozzle, and a pattern forming unit configured to form the dot pattern after supplementation.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: March 27, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Naoki Sudo