Patents by Inventor Taku Yamada
Taku 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: 12139445Abstract: A method of producing a hydrofluoroolefin includes reacting a chlorofluoroolefin that is represented by Formula (I) or Formula (II) and that has 8 or less carbon atoms with a hydrogen molecule, in the presence of an intermetallic compound containing at least one first metal that is selected from the group consisting of palladium, platinum, rhodium, copper and iridium, and containing a second metal that is different from the first metal, to obtain a hydrofluoroolefin in which a hydrogen atom is substituted for at least a chlorine atom represented by Cl among chlorine atoms contained in Formula (I) or Formula (II).Type: GrantFiled: March 1, 2022Date of Patent: November 12, 2024Assignee: AGC Inc.Inventors: Takayuki Komatsu, Tomoaki Takayama, Satoshi Ariyama, Taku Yamada
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Patent number: 12142450Abstract: A photoelectric-surface electron source includes: a glass substrate that receives laser light from a substrate light-receiving surface including microlenses and that focuses the laser light toward a substrate main surface located on the opposite side from the substrate light-receiving surface; a photoelectric surface that is provided to the substrate main surface, and that receives the focused laser light and emits photoelectrons; and an extraction electrode that is fixed to the substrate main surface and that extracts the photoelectrons from the photoelectric surface. The extraction electrode is disposed away from the photoelectric surface along the normal direction of the substrate main surface and has: an electrode part in which electrode holes for allowing the photoelectrons to pass therethrough are provided; and a frame part that is fixed to a region surrounding the photoelectric surface in the substrate main surface.Type: GrantFiled: June 9, 2021Date of Patent: November 12, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Tomohiko Hirano, Hiroyuki Taketomi, Motohiro Suyama, Wataru Matsudaira, Akihiro Kageyama, Kota Iwasaki, Taku Yamada
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Patent number: 12119479Abstract: An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.Type: GrantFiled: September 10, 2021Date of Patent: October 15, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Satoshi Fujiki, Seitaro Ito, Taku Watanabe, Yuichi Aihara, Takanobu Yamada
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Patent number: 12117751Abstract: A fixing apparatus includes a belt, a rotary member, a pad member, and a slide member. A distance in the conveyance direction between a first position and a second position is 3.0 mm or less. The first position is a downstream edge of a tip of a projection positioned most downstream in a direction of rotation of the belt. The second position is an upstream edge, in the direction of rotation of the belt, of the guide portion that contacts with the inner circumference surface of the belt. A distance in the pressing direction between a third position and a fourth position is 0.4 mm or more and 2.0 mm or less. The third position is the tip of the projection positioned most downstream in the direction of rotation of the belt. The fourth position is the same position as the second position.Type: GrantFiled: February 17, 2023Date of Patent: October 15, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Keisuke Yoshida, Youichi Chikugo, Kenichi Tanaka, Hidekazu Tatezawa, Rikiya Takemasa, Takeshi Kozuma, Mikihiko Watanabe, Taku Ashida, Shutaro Saito, Yuya Yamada
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Publication number: 20240310765Abstract: A fixing apparatus includes a belt, a steering roller, a slide member, and a pressing rotation member that forms a nip portion by pressing the belt and is disposed to face the slide member. The belt applies heat to a recording material and has an inner circumferential surface that receives a lubricant applied onto the inner circumferential surface. The pressing rotation member fixes a toner image onto the recording material by applying heat and pressure to an unfixed toner image in the nip portion, in cooperation with the belt. An end portion of the belt on one end side in a belt width direction takes a position outside an end portion of the slide member on the one end side and a position inside the end portion of the slide member on the one end side while the steering roller is in operation.Type: ApplicationFiled: May 24, 2024Publication date: September 19, 2024Inventors: SHUTARO SAITO, YOUICHI CHIKUGO, HIDEKAZU TATEZAWA, RIKIYA TAKEMASA, TAKESHI KOZUMA, MIKIHIKO WATANABE, TAKU ASHIDA, KEISUKE YOSHIDA, YUYA YAMADA, KENICHI TANAKA
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Publication number: 20240295749Abstract: An aerial display device of an embodiment includes a planar light-emitting body, a retroreflective sheet, and a half mirror. The planar light-emitting body includes a light-emitting portion. The retroreflective sheet is disposed at an emission surface side of the planar light-emitting body, and includes, at a position corresponding to the light-emitting portion, a plurality of through-holes representing a figure to be displayed in the air. The half mirror is disposed at an emission surface side of the retroreflective sheet.Type: ApplicationFiled: December 10, 2021Publication date: September 5, 2024Inventors: Taku YAMADA, Tomoko OHARA, Shohei HAMADA, Hirotsugu YAMAMOTO
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Publication number: 20240282968Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which can not only reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics but also improve the electrode strength, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene having a standard specific gravity of 2.200 or less and being substantially free from water.Type: ApplicationFiled: March 27, 2024Publication date: August 22, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Taketo KATO, Takaya YAMADA, Kohei YASUDA, Taku YAMANAKA, Junpei TERADA, Masahiko YAMADA, Ryota USAMI, Hiroyuki SATO, Emi YAMAMOTO, Kenta NISHIMURA
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Patent number: 12046447Abstract: In one embodiment, a multi-charged-particle-beam writing method includes dividing a data path into a plurality of first blocks based on at least either one of each of a plurality of input/output circuits and a plurality of wiring groups, and calculating a first shift amount for multiple beams for each of the plurality of first blocks. The data path is for inputting control data to a cell array on a blanking aperture array substrate. The control data is for controlling ON/OFF of each beam of the multiple beams. Each of the plurality of wiring groups includes a plurality of pieces of wiring connected to the plurality of input/output circuits and grouped together based on inter-wiring distance. The first shift amount is due to at least one of an electric field and a magnetic field for each of the plurality of first blocks. An irradiation position or a dose of the multiple beams is corrected based on the first shift amount, and irradiation is performed.Type: GrantFiled: August 11, 2022Date of Patent: July 23, 2024Assignee: NuFlare Technology, Inc.Inventors: Taku Yamada, Takahito Nakayama
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POLYTETRAFLUOROETHYLENE POWDER, ELECTRODE BINDER, ELECTRODE MIXTURE, ELECTRODE AND SECONDARY BATTERY
Publication number: 20240243292Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder with excellent handleability, an electrode binder and an electrode mixture containing the electrode binder, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder having an apparent density of 0.40 g/mL or higher and a powder particle size of 400 ?m or greater.Type: ApplicationFiled: March 27, 2024Publication date: July 18, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Taketo KATO, Takaya YAMADA, Kohei YASUDA, Taku YAMANAKA, Junpei TERADA, Masayoshi MIYAMOTO -
Publication number: 20240243293Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which is a sustainable product and can reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder being substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.Type: ApplicationFiled: March 27, 2024Publication date: July 18, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Taketo KATO, Takaya Yamada, Kohei Yasuda, Taku Yamanaka, Junpei Terada, Masayoshi Miyamoto, Kenta Murayama, Ryota Usami, Hirotoshi Yoshida
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Publication number: 20230343541Abstract: A photoelectric-surface electron source includes: a glass substrate that receives laser light from a substrate light-receiving surface including microlenses and that focuses the laser light toward a substrate main surface located on the opposite side from the substrate light-receiving surface; a photoelectric surface that is provided to the substrate main surface, and that receives the focused laser light and emits photoelectrons; and an extraction electrode that is fixed to the substrate main surface and that extracts the photoelectrons from the photoelectric surface. The extraction electrode is disposed away from the photoelectric surface along the normal direction of the substrate main surface and has: an electrode part in which electrode holes for allowing the photoelectrons to pass therethrough are provided; and a frame part that is fixed to a region surrounding the photoelectric surface in the substrate main surface.Type: ApplicationFiled: June 9, 2021Publication date: October 26, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Tomohiko HIRANO, Hiroyuki TAKETOMI, Motohiro SUYAMA, Wataru MATSUDAIRA, Akihiro KAGEYAMA, Kota IWASAKI, Taku YAMADA
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Publication number: 20230331651Abstract: To provide a method for producing a fluorovinyl ether compound, whereby it is possible to suppress the generation of byproducts. The method for producing a fluorovinyl ether compound of the present invention is a method for producing a fluorovinyl ether compound, which comprises heat-treating a compound having a group represented by the formula (1): F—C(?O)—CF(X)—(CF2)n—O— in the presence of an oxide containing at least one element selected from the group consisting of alkali metal elements and alkaline earth metal elements, to obtain a fluorovinyl ether compound having a group represented by the formula (2): CF2?CF—O—, wherein the specific surface area of the oxide before the heat treatment is at least 1.0 m2/g. In the formula (1), n is 0 or 1, wherein when n is 0, X is CF3 and when n is 1, X is F.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Applicant: AGC INC.Inventors: Taku YAMADA, Toshifumi NIHEI
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Publication number: 20230302431Abstract: The present invention relates to an adsorbent including: an inorganic porous body; and an amine compound, in the inorganic porous body has an oil absorption value of 230 ml/100 g or more, and a peak diameter of a pore size, which is obtained based on a nitrogen adsorption method, of 20 nm or more and 100 nm or less. The present invention relates to an adsorbent including: an inorganic porous body; and an amine compound, in which the inorganic porous body has a pore volume of 1.2 cm3/g or more and 3.5 cm3/g or less, and a peak diameter of a pore size, which is obtained based on a nitrogen adsorption method, of 20 nm or more and 100 nm or less.Type: ApplicationFiled: May 12, 2023Publication date: September 28, 2023Applicants: AGC Inc., AGC SI-TECH CO., LTD.Inventors: Eisuke MUROTANI, Ryohei KOGUCHI, Taku YAMADA, Katsumasa NAKAHARA, Hajime KATAYAMA, Masaki INOUE
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Publication number: 20230290605Abstract: A photoelectric surface electron source includes a glass substrate configured to receive laser light incident from a substrate back surface to emit the laser light from a substrate main surface, a photoelectric surface provided on the substrate main surface and configured to receive the laser light and emit a photoelectron, a lens array disposed on the substrate back surface and including a plurality of microlenses for condensing the laser light toward the photoelectric surface, and a light shielding portion provided on the glass substrate. The light shielding portion has a back surface-side light shielding layer provided on a back surface-side light shielding surface interposed between the plurality of microlenses on the substrate back surface, and a main surface-side light shielding layer provided on a main surface-side light shielding surface.Type: ApplicationFiled: June 9, 2021Publication date: September 14, 2023Applicants: HAMAMATSU PHOTONICS K.K., NuFlare Technology, Inc.Inventors: Tomohiko HIRANO, Hiroyuki TAKETOMI, Motohiro SUYAMA, Wataru MATSUDAIRA, Akihiro KAGEYAMA, Kota IWASAKI, Taku YAMADA
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Patent number: 11664191Abstract: According to one aspect of the present invention, an electron beam irradiation apparatus includes a photoelectric surface configured to receive irradiation of excitation light on a side of a front surface, and generate electron beams from a side of a back surface; a blanking aperture array mechanism provided with passage holes corresponding to the electron beams and configured to perform deflection control on each of the plurality of electron beams passing through the passage holes; and an adjustment mechanism configured to adjust at least one of an orbit of transmitted light that passes through at least one of arrangement objects including the photoelectric surface, the blanking aperture array mechanism, and the limit aperture substrate up to the stage and reaches the stage, among an irradiated excitation light, and an orbit of the electron beams, wherein the arrangement objects shield at least a part of the transmitted light.Type: GrantFiled: December 10, 2021Date of Patent: May 30, 2023Assignee: NuFlare Technology, Inc.Inventors: Taku Yamada, Kota Iwasaki
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Patent number: 11621140Abstract: A multiple electron beam writing apparatus includes an excitation light source to emit an excitation light, a multi-lens array to divide the excitation light into a plurality of lights, a photoemissive surface to receive the plurality of lights incident through its upper side, and emit multiple photoelectron beams from its back side, a blanking aperture array mechanism to provide, by deflecting each beam of the multiple photoelectron beams, an individual blanking control which individually switches each beam between ON and OFF, an electron optical system to include an electron lens, and to irradiate, using the electron lens, a target object with the multiple photoelectron beams having been controlled to be beam ON, and a control circuit to interconnect, for each shot of the multiple photoelectron beams, a timing of switching the excitation light between emission and non-emission with a timing of switching the each beam between ON and OFF.Type: GrantFiled: July 12, 2021Date of Patent: April 4, 2023Assignee: NuFlare Technology, Inc.Inventors: Kota Iwasaki, Taku Yamada
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Publication number: 20230078311Abstract: In one embodiment, a multi-charged-particle-beam writing method includes dividing a data path into a plurality of first blocks based on at least either one of each of a plurality of input/output circuits and a plurality of wiring groups, and calculating a first shift amount for multiple beams for each of the plurality of first blocks. The data path is for inputting control data to a cell array on a blanking aperture array substrate. The control data is for controlling ON/OFF of each beam of the multiple beams. Each of the plurality of wiring groups includes a plurality of pieces of wiring connected to the plurality of input/output circuits and grouped together based on inter-wiring distance. The first shift amount is due to at least one of an electric field and a magnetic field for each of the plurality of first blocks. An irradiation position or a dose of the multiple beams is corrected based on the first shift amount, and irradiation is performed.Type: ApplicationFiled: August 11, 2022Publication date: March 16, 2023Applicant: NuFlare Technology, Inc.Inventors: Taku YAMADA, Takahito NAKAYAMA
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Patent number: 11562878Abstract: A method for controlling operation of an electron emission source includes acquiring, while varying an emission current of an electron beam, a characteristic between a surface current of a target object at a position on the surface of the target object irradiated with the electron beam, and the emission current, calculating, based on the characteristic, first gradient values each obtained by dividing the surface current of the target object by the emission current, in a predetermined range of the emission current in the characteristic, calculating a second gradient value by dividing a surface current of the target object by an emission current in a state where the electron beam has been adjusted, and adjusting a cathode temperature to make the second gradient value in the state where the electron beam has been adjusted be in the range of the first gradient values in the predetermined range of the emission current.Type: GrantFiled: October 19, 2021Date of Patent: January 24, 2023Assignee: NuFlare Technology, Inc.Inventors: Nobuo Miyamoto, Taku Yamada
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Publication number: 20220367143Abstract: A difference between a calculated amount of drift and an actual amount of drift is reduced.Type: ApplicationFiled: July 12, 2022Publication date: November 17, 2022Applicant: NuFlare Technology, Inc.Inventor: Taku YAMADA
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Publication number: 20220267236Abstract: A method of producing a hydrofluoroolefin includes reacting a chlorofluoroolefin that is represented by Formula (I) or Formula (II) and that has 8 or less carbon atoms with a hydrogen molecule, in the presence of an intermetallic compound containing at least one first metal that is selected from the group consisting of palladium, platinum, rhodium, copper and iridium, and containing a second metal that is different from the first metal, to obtain a hydrofluoroolefin in which a hydrogen atom is substituted for at least a chlorine atom represented by Cl among chlorine atoms contained in Formula (I) or Formula (II).Type: ApplicationFiled: March 1, 2022Publication date: August 25, 2022Applicant: AGC Inc.Inventors: Takayuki KOMATSU, Tomoaki TAKAYAMA, Satoshi ARIYAMA, Taku YAMADA