Patents by Inventor Akira Yamada
Akira Yamada 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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Patent number: 11970580Abstract: A room-temperature-curable organopolysiloxane composition for an oil seal, wherein an organosilane compound containing a specific organo-oxymethyl group and represented by formula (1) below and/or a partial hydrolysis condensate of said compound is used as a curing agent (crosslinking agent), and an organic compound having a guanidine skeleton is added in combination as a curing catalyst. In the formula, each R1 is independently a C1-12 unsubstituted or substituted monovalent hydrocarbon group, R2 is a C1-12 unsubstituted or substituted monovalent hydrocarbon group, Y is a hydrolyzable group, and n is 0, 1 or 2.Type: GrantFiled: March 26, 2020Date of Patent: April 30, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Akira Uta, Shigeki Yasuda, Tetsuro Yamada, Munenao Hirokami, Taiki Katayama, Takafumi Sakamoto
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Publication number: 20240130373Abstract: The present invention pertains to a fungicide that causes little environmental pollution and has excellent safety, a fungicide product having a fungicide layer containing said fungicide, and a fungicidal coating containing said fungicide, the fungicide being represented by formula (1) Ln2xFe2(1-x)O3 (in formula (1), Ln is a rare earth element selected from the group consisting of lanthanum, praseodymium, neodymium and yttrium; and x is a number that is at least 0.45 and is less than 1.00).Type: ApplicationFiled: February 9, 2022Publication date: April 25, 2024Applicant: Kyodo Printing Co., Ltd.Inventors: Tomomi KARINO, Akira TERADA, Fumihito KOBAYASHI, Kenta SUZUKI, Atsushi YAMADA
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Publication number: 20240135454Abstract: A server includes means for receiving a request for conversion from a first electronic value into a second electronic value from a user's terminal via a network, means for receiving an investment instruction to invest in the second electronic value obtained by the conversion from the user's terminal via the network, holding means for holding information regarding a type of merchandise corresponding to the second electronic value and a range of the second electronic value in association with each other, means for receiving a redemption instruction to redeem the second electronic value for the merchandise from the user's terminal via the network, the second electronic value being increased or decreased by the investment, and means for referring to the holding means and performing merchandise redemption processing on a basis of the received redemption instruction.Type: ApplicationFiled: June 28, 2021Publication date: April 25, 2024Inventors: Hiroyuki YAMADA, Akira ARAI, Taro MORIOKA
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Patent number: 11964839Abstract: A conveyance route switching mechanism and a paper sheet handling apparatus that includes the conveyance route switching mechanism include a driving source, a gate, a first gear, and an internal gear. The driving source includes a driving shaft. The gate includes a gate shaft, and a blade that is provided on the gate shaft, and switches conveyance routes of paper sheets. The first gear is provided on the gate shaft. The internal gear meshes with the first gear. According to rotation of the driving shaft, the gate shaft rotates on an axis of the gate shaft, and revolves with the driving shaft as a rotation center while the first gear meshes with the internal gear.Type: GrantFiled: September 8, 2022Date of Patent: April 23, 2024Assignee: FUJITSU FRONTECH LIMITEDInventors: Takashi Wada, Tomoyuki Tamahashi, Satoshi Hayashi, Atsushi Ando, Shohei Koizumi, Shoichi Deguchi, Akira Yamada
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Publication number: 20240122185Abstract: The present invention pertains to an antimicrobial agent that causes little environmental pollution and has excellent safety, an antimicrobial product having an antimicrobial layer containing said antimicrobial agent, and an antimicrobial coating containing said antimicrobial agent, the antimicrobial agent being represented by formula (1) Ln2xFe2(1-x)O3 (in formula (1), Ln is a rare earth element selected from the group consisting of lanthanum, praseodymium, neodymium and yttrium; and x is a number that is at least 0.55 and is less than 1.00).Type: ApplicationFiled: February 9, 2022Publication date: April 18, 2024Applicant: Kyodo Printing Co., Ltd.Inventors: Tomomi KARINO, Akira TERADA, Fumihito KOBAYASHI, Atsushi YAMADA
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Publication number: 20240128309Abstract: A signal transmission device having a capacitor coupler includes a semiconductor substrate, a low voltage circuit region, an insulating film formed on the semiconductor substrate, a lower electrode formed on the semiconductor substrate via the insulating film, and an upper electrode disposed opposite to the lower electrode via the insulating film interposed therebetween. A shield portion includes a conductor to which a low voltage is applied is provided between the lower electrode and the upper electrode and the low voltage circuit region. When a stacking direction of the lower electrode and the upper electrode is defined as a height direction, the shield portion is located higher than the low voltage circuit region and has an eaves part extending on an opposite side with respect to the lower electrode and the upper electrode.Type: ApplicationFiled: December 22, 2023Publication date: April 18, 2024Inventors: Shuji ASANO, Koichi YAKO, Akira YAMADA
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Patent number: 11958806Abstract: An object is to provide a method for easily producing maleimide (MI) in which trace amounts of residual acid components as impurities in a crude MI are efficiently reduced, that is, the acid value is sufficiently reduced. <1> A method for producing purified MI, comprising reducing an acid value of crude MI by 50% or more, by adding carbodiimide (CDI) to a solution comprising the crude MI to react an acid component in the crude MI with the CDI. <2> The method for producing purified MI, comprising adding 0.5% by mass or more and 8% by mass or less of the CDI with respect to a mass of the crude MI for reaction. <3> The method for producing purified MI, wherein the CDI is N,N?-diisopropyl carbodiimide (DIC). <4> The method for producing purified MI, comprising removing a urea derivative of the CDI (CDI-U) by-produced when reacting the acid component in the crude MI with the CDI.Type: GrantFiled: September 29, 2020Date of Patent: April 16, 2024Assignee: UNITIKA LTD.Inventors: Yuki Yamada, Tatsuya Morikita, Yosuke Sugimoto, Takeshi Yoshida, Akira Shigeta, Yoshiaki Echigo
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Patent number: 11952749Abstract: A control device for a power machine includes a target circuit pressure specifying unit configured to specify a target circuit pressure of the hydrostatic continuously variable transmission, a measurement value acquisition unit configured to acquire an actual circuit pressure of the hydrostatic continuously variable transmission, a brake torque determination unit configured to determine a brake torque based on the target circuit pressure and the actual circuit pressure, and a pump control unit configured to control the hydraulic pump based on the brake torque. The brake torque is a torque consumed by the hydraulic pump.Type: GrantFiled: November 7, 2019Date of Patent: April 9, 2024Assignee: KOMATSU LTD.Inventors: Kenichi Yamada, Shogo Miyazaki, Akira Takeno, Shota Yamawaki
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Publication number: 20240084155Abstract: An object that is to be achieved by the present invention is to provide an azo pigment having excellent transparency, suitable dispersibility, and a low viscosity, an ink, and the like. An azo pigment according to the present invention has a zeta potential of ?80 to ?30 mV in isopropanol (IPA). The content of a metal element in the azo pigment is preferably 0.05 to 2.00 parts by mass relative to 100 parts by mass of the azo pigment. The metal element is preferably an iron element. The ratio (Fe/C) of the concentration Fe (atomic %) of an iron element in the surfaces of particles of the azo pigment to the concentration C (atomic %) of a carbon element in the surfaces of the particles of the azo pigment which are determined by X-ray photoelectron spectroscopy is preferably 0.20 or less.Type: ApplicationFiled: December 9, 2021Publication date: March 14, 2024Applicant: DIC CorporationInventors: Shogo Yamada, Takuya Yoshida, Akira Kimura
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Publication number: 20240084146Abstract: An object of the present invention is to provide a carbon black, an ink, and the like having excellent dispersion stability. A carbon black of the present invention includes iron element in an amount of 0.01 to 2.00 parts by mass per 100 parts by mass of the carbon black. Preferably, a ratio of Fe/C is 0.001 to 0.010, where Fe is a concentration in atomic % of the iron element on a surface of particles of the carbon black, and C is a concentration in atomic % of elemental carbon on the surface of the particles of the carbon black, as determined by X-ray photoelectron spectroscopy.Type: ApplicationFiled: December 16, 2021Publication date: March 14, 2024Applicant: DIC CorporationInventors: Shogo Yamada, Akira Kimura
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Patent number: 11921341Abstract: An optical cable includes: twisted optical fiber units each including a fiber group formed by optical fibers. At least one of the optical fiber units includes a filling that wraps an outer circumference of the fiber group.Type: GrantFiled: January 17, 2023Date of Patent: March 5, 2024Assignees: Fujikura Ltd., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masatoshi Ohno, Akira Namazue, Ken Osato, Yusuke Yamada, Yuta Maruo, Akira Sakurai, Shigekatsu Tetsutani, Hiroaki Tanioka
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Publication number: 20240069297Abstract: In an optical fiber cable in which an optical fiber ribbon formed by parallelly arranging a plurality of optical fibers is packaged in an internal space, a core portion of each optical fiber is made of pure quartz and an effective cross-sectional area of the core portion at a wavelength of 1,550 nm is 110 ?m2 or more and 150 ?m2 or less. The optical fiber ribbon is an optical fiber ribbon in which the optical fibers are connected by continuously applying an adhesive resin between adjacent optical fibers. An occupation ratio of the optical fiber ribbon to the internal space calculated from a ratio of a cross-sectional area of the internal space to a cross-sectional area of the packaged optical fiber ribbon is 25% or more and 55% or less.Type: ApplicationFiled: November 10, 2021Publication date: February 29, 2024Inventors: Yutaka HASHIMOTO, Fumiaki SATO, Masashi KIKUCHI, Akira SAKURAI, Yusuke YAMADA
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Publication number: 20240009767Abstract: A controller causes a laser beam to move over a strip electrode along a predetermined path to cut the strip electrode into a tab shape. The predetermined path includes a first path, a second path, and a third path. The first path extends from a first position to a second position. The second position is positioned further outside in a width direction perpendicular to the conveyance direction and further in the conveyance direction than the first position. The second path extends from the second position to a third position. The third position is positioned in a direction opposite the conveyance direction with respect to the second position. The third path extends from the third position to a fourth position.Type: ApplicationFiled: November 9, 2021Publication date: January 11, 2024Inventors: Isao OKITA, Hiroshi YANAGIDA, Akira YAMADA
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Publication number: 20230391052Abstract: An object of the present invention is to provide a polymer film having a more excellent adhesiveness to a metal layer. In addition, another object of the present invention is to provide a laminate having the polymer film. The polymer film of an embodiment of the present invention is a polymer film including a polymer and having a dielectric loss tangent of 0.005 or less under the conditions of a temperature of 23° C. and a frequency of 28 GHz, in which a relaxation peak disappearance temperature of a relaxation peak in a frequency dependence of the dielectric loss tangent of the polymer film is ?80° C. or higher. In addition, the polymer film of the embodiment of the present invention is a polymer film including a polymer and having a dielectric loss tangent of 0.005 or less under the conditions of a temperature of 23° C. and a frequency of 28 GHz, in which an A value obtained by a predetermined measurement method is 1 to 60 eq/t.Type: ApplicationFiled: August 17, 2023Publication date: December 7, 2023Applicant: FUJIFILM CorporationInventors: Takeaki SAWAYA, Akira YAMADA
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Patent number: 11833782Abstract: An object of the present invention is to provide a polymer film to which a metal-containing layer is stuck to produce a laminate having an excellent peel strength. Another object of the present invention is to provide a laminate and a substrate for high-speed communication. The polymer film of an embodiment of the present invention is a polymer film including a liquid crystal polymer, in which a difference between a melting start temperature and a melting end temperature in differential scanning calorimetry in a depth region up to 10 ?m of the polymer film from one surface toward the other surface of the polymer film is 5.0° C. to 50° C.Type: GrantFiled: September 27, 2022Date of Patent: December 5, 2023Assignee: FUJIFILM CorporationInventors: Takeaki Sawaya, Akira Yamada
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Patent number: 11826983Abstract: An object of the present invention is to provide a polymer film having a low dielectric loss tangent and a small difference in a linear expansion coefficient from that of a copper foil; and a laminate.Type: GrantFiled: August 28, 2022Date of Patent: November 28, 2023Assignee: FUJIFILM CorporationInventor: Akira Yamada
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Publication number: 20230364710Abstract: A laser processing device includes a conveyance device, a laser irradiating unit, a controller, and a guide. The conveyance device conveys a strip electrode in a conveyance direction. The laser irradiating unit irradiates the strip electrode with a laser beam. The laser irradiating unit is configured to change the irradiating direction of the laser beam. The controller controls the laser irradiating unit so as to cut the strip electrode into a tab shape by causing the laser beam to move along a predetermined path on the strip electrode. The guide holds the strip electrode. The guide includes a notch. The notch has a shape that follows at least a portion of the predetermined path.Type: ApplicationFiled: November 5, 2021Publication date: November 16, 2023Inventors: Isao OKITA, Hiroshi YANAGIDA, Akira YAMADA
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Publication number: 20230368598Abstract: A paper sheet handling apparatus includes: a partition portion that forms an insertion space into which a paper sheet is inserted from an insertion port with a first opposing portion, and forms a taking-out space from which the paper sheet is taken out from the insertion port with a second opposing portion; and a conveyor that conveys the paper sheet left in the taking-out space in a state of protruding toward the taking-out space from a first opening portion of the first opposing portion and a second opening portion of the partition portion. The partition portion includes a second shutter that openably closes the second opening portion, and a second shutter opening/closing unit that opens the second opening portion by opening the second shutter in conjunction with an operation in which the partition portion moves to the remaining banknote conveyance position.Type: ApplicationFiled: July 24, 2023Publication date: November 16, 2023Inventors: Akira YAMADA, Tomoyuki TAMAHASHI, Takashi WADA, Atsushi ANDO, Shohei KOIZUMI, Satoshi HAYASHI, Yasuhiro MOTOHASHI
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Publication number: 20230104175Abstract: An object of the present invention is to provide a polymer film to which a metal-containing layer is stuck to produce a laminate having an excellent peel strength. Another object of the present invention is to provide a laminate and a substrate for high-speed communication. The polymer film of an embodiment of the present invention is a polymer film including a liquid crystal polymer, in which a difference between a melting start temperature and a melting end temperature in differential scanning calorimetry in a depth region up to 10 ?m of the polymer film from one surface toward the other surface of the polymer film is 5.0° C. to 50° C.Type: ApplicationFiled: September 27, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Takeaki SAWAYA, Akira YAMADA
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Publication number: 20230078709Abstract: An object of the present invention is to provide a liquid crystal polymer film having an excellent peel strength of a laminate produced by sticking a metal foil to the liquid crystal polymer film; and a laminate. A liquid crystal polymer film including a liquid crystal polymer, in which in a case where a cross-section of the liquid crystal polymer film along a thickness direction of the liquid crystal polymer film is exposed and immersed in monomethylamine, and then void regions are extracted from an observed image of a cross-section obtained by using an electron microscope, an average value of widths of the void regions is 0.01 to 0.1 ?m and an area ratio of the void regions in the observed image of the cross-section is 20% or less.Type: ApplicationFiled: July 18, 2022Publication date: March 16, 2023Applicant: FUJIFILM CorporationInventors: Akira YAMADA, Koji NITTA