Patents by Inventor Kazuyuki Hayashi
Kazuyuki Hayashi 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).
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Publication number: 20240146400Abstract: At least one processor included in a server carries out: an acquiring process of acquiring, from a communication terminal configured to communicate with low earth orbit satellite equipment, information which indicates a communication condition in the communication terminal regarding communication with the low earth orbit satellite equipment; and a controlling process of referring to a radio wave map of a region including a location of the communication terminal and the information, to control an air vehicle configured to measure an attenuation of a radio wave between the air vehicle and the communication terminal.Type: ApplicationFiled: October 19, 2023Publication date: May 2, 2024Applicant: NEC CorporationInventors: Kazuyuki HAYASHI, Masakazu Ono, Junichi Funada, Kenji Wakafuji, Kohei Yoshida
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Publication number: 20240146405Abstract: A control apparatus capable of exhibiting the diversity effect in a hybrid mobile communication system using a terrestrial communication apparatus and a non-terrestrial communication apparatus is provided.Type: ApplicationFiled: October 13, 2023Publication date: May 2, 2024Applicant: NEC CorporationInventors: Kenji WAKAFUJI, Junichi FUNADA, Kohei YOSHIDA, Masakazu ONO, Kazuyuki HAYASHI
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Patent number: 11925107Abstract: To provide an organic EL device having low driving voltage, high luminous efficiency, and particularly a long lifetime by combining various materials for an organic EL device having excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic EL device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic EL device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and a radialene derivative of the following general formula (2).Type: GrantFiled: March 2, 2018Date of Patent: March 5, 2024Assignee: Hodogaya Chemical Co., Ltd.Inventors: Kazuyuki Suruga, Shuichi Hayashi, Takeshi Yamamoto, Kouki Kase, Shunji Mochizuki
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Publication number: 20230416793Abstract: Provided is a method of producing an L-amino acid such as L-glutamic acid and the like. An L-amino-acid is produced by cultivating a coryneform bacterium having L-amino acid-producing ability in a culture medium, which has been modified so as to have one or more of the following modifications: (A) a modification for increasing activity of acetate kinase, (B) a modification for increasing activity of fructose-1,6-bisphosphatase, (C) a modification for decreasing activity of pyruvate dehydrogenase, (D) a modification for decreasing activity of aspartate transaminase, and (E) a modification for decreasing activity of malic enzyme; and collecting the L-amino acid from the culture medium and/or the bacterial cells.Type: ApplicationFiled: April 27, 2023Publication date: December 28, 2023Applicant: Ajinomoto Co., Inc.Inventors: Seiko Hirano, Kota Inoue, Kazuyuki Hayashi, Kosuke Yokota, Mika Moriya, Tomoko Suzuki, Yoshitomo Kadokura, Takeshi Nagahiko, Akari Tashiro
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Patent number: 10745725Abstract: A method for producing an L-amino acid such as L-glutamic acid is provided. An L-amino acid is produced by culturing a bacterium having an ability to produce an L-amino acid, which has been modified so that the activity of a non-PTS fructose-uptake carrier and the activity of fructokinase are both increased, in a medium containing fructose, and collecting the L-amino acid from the medium or cells of the bacterium.Type: GrantFiled: March 27, 2018Date of Patent: August 18, 2020Assignee: AJINOMOTO CO., INC.Inventors: Kosuke Yokota, Kazuyuki Hayashi
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Patent number: 10670812Abstract: An optical fiber includes: a core that includes quartz glass doped with a core updopant; an inner cladding that includes quartz glass doped with a cladding updopant and a downdopant and that covers a circumferential surface of the core; and an outer cladding that includes quartz glass and that covers an outer circumferential surface of the inner cladding. A refractive index of the inner cladding is substantially equal to a refractive index of the outer cladding. The inner cladding contains the cladding updopant at a concentration such that a refractive index increase rate ascribed to the cladding updopant falls within a range of 0.25% to 0.5%.Type: GrantFiled: May 30, 2017Date of Patent: June 2, 2020Assignee: Fujikura Ltd.Inventors: Keisuke Hirakawa, Kentaro Ichii, Kazuyuki Hayashi
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Publication number: 20200012041Abstract: A polarization maintaining fiber includes: a core; an inner cladding enclosing the core; two stress applying parts that sandwich the inner cladding therebetween; and an outer cladding enclosing the inner cladding and the two stress applying parts. Each of the two stress applying parts is depressed inward against the inner cladding, and the core has a flattened cross section having a long-axis that corresponds to a direction in which the two stress applying parts are aligned.Type: ApplicationFiled: March 22, 2018Publication date: January 9, 2020Applicant: FUJIKURA LTD.Inventors: Kentaro Ichii, Keisuke Hirakawa, Kazuyuki Hayashi
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Patent number: 10428359Abstract: A method for producing an L-amino acid such as L-glutamic acid is provided. An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability, which has been modified so that the activity of a C4-dicarboxylic acid-uptake carrier such as DctA, DcuA, and DcuB is increased, in a medium, and collecting the L-amino acid from the medium or cells of the bacterium.Type: GrantFiled: September 27, 2017Date of Patent: October 1, 2019Assignee: AJINOMOTO CO, INC.Inventors: Mika Moriya, Kazuyuki Hayashi, Akari Yokokawa
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Publication number: 20190204512Abstract: An optical fiber includes: a core that includes quartz glass doped with a core updopant; an inner cladding that includes quartz glass doped with a cladding updopant and a downdopant and that covers a circumferential surface of the core; and an outer cladding that includes quartz glass and that covers an outer circumferential surface of the inner cladding. A refractive index of the inner cladding is substantially equal to a refractive index of the outer cladding. The inner cladding contains the cladding updopant at a concentration such that a refractive index increase rate ascribed to the cladding updopant falls within a range of 0.25% to 0.5%.Type: ApplicationFiled: May 30, 2017Publication date: July 4, 2019Applicant: FUJIKURA LTD.Inventors: Keisuke Hirakawa, Kentaro Ichii, Kazuyuki Hayashi
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Publication number: 20180282773Abstract: A method for producing an L-amino acid such as L-glutamic acid is provided. An L-amino acid is produced by culturing a bacterium having an ability to produce an L-amino acid, which has been modified so that the activity of a non-PTS fructose-uptake carrier and the activity of fructokinase are both increased, in a medium containing fructose, and collecting the L-amino acid from the medium or cells of the bacterium.Type: ApplicationFiled: March 27, 2018Publication date: October 4, 2018Applicant: AJINOMOTO CO., INC.Inventors: Kosuke Yokota, Kazuyuki Hayashi
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Publication number: 20180094285Abstract: A method for producing an L-amino acid such as L-glutamic acid is provided. An L-amino acid is produced by culturing a bacterium having an L-amino acid-producing ability, which has been modified so that the activity of a C4-dicarboxylic acid-uptake carrier such as DctA, DcuA, and DcuB is increased, in a medium, and collecting the L-amino acid from the medium or cells of the bacterium.Type: ApplicationFiled: September 27, 2017Publication date: April 5, 2018Applicant: AJINOMOTO CO., INC.Inventors: Mika Moriya, Kazuyuki Hayashi, Akari Yokokawa
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Patent number: 9932614Abstract: A method for producing an L-amino acid of glutamate family such as L-glutamic acid is provided. An L-amino acid of glutamate family is produced by culturing a coryneform bacterium having an ability for producing an L-amino acid of glutamate family, which has been modified so that the activity of an ?-ketoglutaric acid (?-KG) uptake carrier is increased, in a medium, and collecting the L-amino acid of glutamate family from the medium.Type: GrantFiled: October 26, 2016Date of Patent: April 3, 2018Assignee: AJINOMOTO CO., INC.Inventors: Seiko Hirano, Kazuyuki Hayashi, Hitoshi Takayashiki, Keita Fukui
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Patent number: 9927693Abstract: A reflective mask blank, which includes a substrate, a reflective multilayer film for reflecting exposure light, and an absorber layer for absorbing the exposure light in this order; the reflective multilayer film having at least three fiducial marks formed in a concave shape in an area outside an exposure area for patterning the reflective multilayer film on a front side thereof, each of the fiducial marks including a concave portion having an inclination angle ?, the absorber layer having a film thickness of from 40 to 90 nm; the absorber layer having transferred marks formed in a concave shape on a front side thereof, the transferred marks being transferred from the at least three fiducial marks, each of the transferred marks including a concave portion having an inclination angle of from 35 to 80°; and a difference between the inclination angle ? and the inclination angle ? (inclination angle ??inclination angle ?) being at least 10°.Type: GrantFiled: September 15, 2016Date of Patent: March 27, 2018Assignee: Asahi Glass Company, LimitedInventors: Hiroshi Hanekawa, Junichi Kageyama, Kazuyuki Hayashi
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Patent number: 9897751Abstract: A multicore polarization-maintaining fiber 10 includes a plurality of cores 11, a cladding 12 surrounding the plurality of cores 11, and a plurality of stress applying parts 15 provided sandwiching the plurality of cores 11 in a region surrounded by the outer circumferential surface of the cladding 12. The cross sectional area of the stress applying part 15 is greater than the cross sectional area of the core 11. Stress applying parts 15 of the plurality of stress applying parts 15 are disposed in a first direction, and stress applying parts 15 of the plurality of stress applying parts 15 are disposed in a second direction different from the first direction.Type: GrantFiled: May 12, 2016Date of Patent: February 20, 2018Assignee: FUJIKURA LTD.Inventors: Kazuyuki Hayashi, Katsuaki Izoe, Kazuhiko Aikawa
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Publication number: 20170219768Abstract: A multicore polarization-maintaining fiber 10 includes a plurality of cores 11, a cladding 12 surrounding the plurality of cores 11, and a plurality of stress applying parts 15 provided sandwiching the plurality of cores 11 in a region surrounded by the outer circumferential surface of the cladding 12. The cross sectional area of the stress applying part 15 is greater than the cross sectional area of the core 11. Stress applying parts 15 of the plurality of stress applying parts 15 are disposed in a first direction, and stress applying parts 15 of the plurality of stress applying parts 15 are disposed in a second direction different from the first direction.Type: ApplicationFiled: May 12, 2016Publication date: August 3, 2017Applicant: FUJIKURA LTD.Inventors: Kazuyuki HAYASHI, Katsuaki IZOE, Kazuhiko AIKAWA
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Publication number: 20170121743Abstract: A method for producing an L-amino acid of glutamate family such as L-glutamic acid is provided. An L-amino acid of glutamate family is produced by culturing a coryneform bacterium having an ability for producing an L-amino acid of glutamate family, which has been modified so that the activity of an ?-ketoglutaric acid (?-KG) uptake carrier is increased, in a medium, and collecting the L-amino acid of glutamate family from the medium.Type: ApplicationFiled: October 26, 2016Publication date: May 4, 2017Applicant: AJINOMOTO CO., INC.Inventors: Seiko Hirano, Kazuyuki Hayashi, Hitoshi Takayashiki, Keita Fukui
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Patent number: 9618836Abstract: A substrate with a conductive film to be used for producing a reflective mask blank for EUV lithography, comprising a substrate and a conductive film formed on the substrate, wherein the conductive film has at least two layers of a lower layer formed on the substrate side and an upper layer formed on the lower layer; the lower layer is a CrN type film which contains Cr and N; the upper layer is a CrON type film which contains Cr, N and O; in the CrN type film, the total content of Cr and N is at least 85 at %, and the compositional atomic ratio of Cr to N is Cr:N=9.5:0.5 to 3:7; in the CrON type film, the total content of Cr, N and O is at least 85 at %, and the compositional atomic ratio of Cr to (N+O) is Cr:(N+O)=9.5:0.5 to 3:7; and the film thickness of the CrON type film is from 0.5 to 3 nm, and the standard deviation of the film thickness distribution of the CrON type film is at most 0.18 nm.Type: GrantFiled: April 3, 2015Date of Patent: April 11, 2017Assignee: Asahi Glass Company, LimitedInventors: Junichi Kageyama, Kazuyuki Hayashi
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Publication number: 20170082916Abstract: A reflective mask blank, which includes a substrate, a reflective multilayer film for reflecting exposure light, and an absorber layer for absorbing the exposure light in this order; the reflective multilayer film having at least three fiducial marks formed in a concave shape in an area outside an exposure area for patterning the reflective multilayer film on a front side thereof, each of the fiducial marks including a concave portion having an inclination angle a, the absorber layer having a film thickness of from 40 to 90 nm; the absorber layer having transferred marks formed in a concave shape on a front side thereof, the transferred marks being transferred from the at least three fiducial marks, each of the transferred marks including a concave portion having an inclination angle of from 35 to 80°; and a difference between the inclination angle ? and the inclination angle ? (inclination angle ??inclination angle ?) being at least 10°.Type: ApplicationFiled: September 15, 2016Publication date: March 23, 2017Applicant: Asahi Glass Company, LimitedInventors: Hiroshi HANEKAWA, Junichi KAGEYAMA, Kazuyuki HAYASHI
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Publication number: 20170075211Abstract: A mask blank, whereby the deterioration of pattern transfer can be effectively suppressed, when used as a mask for a transferring process. A mask blank having a transparent substrate, wherein the transparent substrate has a first main surface and a second main surface which are opposed each other, the first main surface is provided with a light-shielding film, the second main surface is provided with an antireflection film, the antireflection film has a first layer and a second layer from the side which is close to the transparent substrate, the reflectivity R1 to be obtained by removing the antireflection film from the mask blank and irradiating the second main surface side of the transparent substrate with light having a wavelength of 193 nm at an incident angle of 5°, is at least 50%, the ratio RA/RS is at most 0.Type: ApplicationFiled: August 8, 2016Publication date: March 16, 2017Applicant: Asahi Glass Company, LimitedInventor: Kazuyuki HAYASHI
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Patent number: 9506094Abstract: A method for producing an L-amino acid is provided. An L-amino acid is produced by culturing a coryneform bacterium having an L-amino acid-producing ability, which is modified so that the activity of a phosphate transporter is increased, in a medium, and collecting the L-amino acid from the medium.Type: GrantFiled: July 10, 2015Date of Patent: November 29, 2016Assignee: AJINOMOTO CO., INC.Inventors: Seiko Hirano, Kazuyuki Hayashi