Patents by Inventor Keisuke Yamada
Keisuke 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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Publication number: 20240141094Abstract: A curing resin composition including (A) a cyanate ester resin, (B) an epoxy resin, (C) an active hydrogen-containing amine latent curing agent, and (D) an ion scavenger. The cyanate ester resin (A) is preferably at least one of a compound of formula (1) below, a compound of formula (2) below, and a polymer of at least one of these compounds (1) and (2). NC—O-A1-Y1-A2-O—CN??(1) wherein the symbols are as defined in the description. wherein the symbols are as defined in the description.Type: ApplicationFiled: February 8, 2022Publication date: May 2, 2024Inventors: Kohei HIRAYAMA, Keisuke OTA, Ryo OGAWA, Shinsuke YAMADA
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Publication number: 20240141198Abstract: The invention relates to a coating based on a fluoro acrylate polymer latex comprising inorganic particles, said coating exhibiting a very good compromise between, on the one hand, dry adhesion and adhesion in the wet state, and, on the other hand, between adhesion and ionic conductivity. This coating is intended for a separator application, in particular for Li-ion batteries. The invention also relates to a Li-ion battery comprising a separator covered with such a coating.Type: ApplicationFiled: March 21, 2022Publication date: May 2, 2024Inventors: Francois BEAUME, Anthony BONNET, Thomas FINE, Keisuke YAMADA, Denis KATO DE ALMEIDA, Yuanqin LIU
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Publication number: 20240141095Abstract: Disclosed is a curable resin composition containing: (A) a cyanate ester resin; (B) an epoxy resin essentially including at least a 4-amino-3-methylphenol-type epoxy resin; and (C) a latent curing agent. Preferably, the cyanate ester resin (A) is at least one selected from the group consisting of compounds represented by formula (1) below, compounds represented by formula (2) below, and at least one of polymer of these compounds. Formula (1): NC—O-A1-Y1-A2-O—CN (See the Description for the symbols in the formula). Formula (2): (See the Description for the symbols in the formula).Type: ApplicationFiled: February 8, 2022Publication date: May 2, 2024Inventors: Keisuke OTA, Kohei HIRAYAMA, Ryo OGAWA, Shinsuke YAMADA
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Publication number: 20240132365Abstract: A dispersion of exfoliated particles which includes at least one nitrogen-containing basic compound (A) which is a tertiary amine or a quaternary ammonium hydroxide having at least one alkyl group having 3 or 4 carbon atoms, and in which exfoliated particles (C) produced by interlayer-exfoliating a proton-type layered polysilicate compound (B) are dispersed in an aqueous solution (D) having 10 vol % to 90 vol % of an alcohol having 1 to 3 carbon atoms; and a film-forming composition, a porous body-forming composition, an LB film, a coating film, a free-standing membrane, a proton conductor, an electrolyte membrane for fuel cells, and a porous body each containing exfoliated particles.Type: ApplicationFiled: February 22, 2022Publication date: April 25, 2024Applicants: NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, NISSAN CHEMICAL CORPORATIONInventors: Shintaro IDA, Keisuke AWAYA, Kazutoshi SEKIGUCHI, Hirotake KITAGAWA, Shuhei YAMADA
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Publication number: 20240126197Abstract: An image forming apparatus includes a reception unit to receive a job, heating and pressing rotary members to form a nip portion, and a spraying member having a nozzle and a cylinder. The nozzle discharges air to the heating rotary member and a recording material. During a period after the reception unit receives the job and before a leading edge of a first sheet of the recording material reaches the nip portion, the spraying member performs a spraying operation of spraying air in an amount greater than or equal to a predetermined amount. The air that the spraying member sprays on the first sheet of the recording material during the job is higher in temperature than the air that the spraying member sprays during the period after the reception unit receives the job and before the leading edge of the first sheet of the recording material reaches the nip portion.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: SHOHEI TSUZAKI, ASUNA FUKAMACHI, YUSUKE YAMAGUCHI, HIROSHI MIYAMOTO, YASUHARU TORATANI, KEISUKE YOSHIDA, SHUTARO SAITO, YUYA YAMADA, TAKU ASHIDA
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Publication number: 20240126194Abstract: An image forming apparatus includes a first rotatable member, a second rotatable member, an air nozzle, and a pipe. The pipe includes a portion extending along a widthwise direction of the first rotatable member perpendicular to a recording material feeding direction.Type: ApplicationFiled: September 12, 2023Publication date: April 18, 2024Inventors: SHUTARO SAITO, KEISUKE YOSHIDA, YUYA YAMADA, TAKU ASHIDA, ASUNA FUKAMACHI, YUSUKE YAMAGUCHI, SHOHEI TSUZAKI, HIROSHI MIYAMOTO, YASUHARU TORATANI
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Publication number: 20240126193Abstract: An image forming apparatus includes a first rotatable member, a second rotatable member, an air nozzle, and a pipe. The pipe includes a portion provided in a range overlapping with the first rotatable member and making one reciprocation or more in a case that when a direction crossing a feeding direction of a recording material fed in a nip is a widthwise direction of the first rotatable member, the pipe is viewed in a direction perpendicular to the widthwise direction.Type: ApplicationFiled: September 5, 2023Publication date: April 18, 2024Inventors: YASUHARU TORATANI, SHUTARO SAITO, KEISUKE YOSHIDA, YUYA YAMADA, TAKU ASHIDA, ASUNA FUKAMACHI, SHOHEI TSUZAKI, YUSUKE YAMAGUCHI, HIROSHI MIYAMOTO
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Publication number: 20240118653Abstract: An image forming apparatus includes an electrophotographic photoreceptor that includes a conductive substrate and a photosensitive layer disposed on the conductive substrate, the electrophotographic photoreceptor having an outermost surface layer that contains a binder resin, a charge-transporting material, and a fluorine-containing resin particle, the fluorine-containing resin particle containing 0 or more and 30 or less carboxy groups per 106 carbon atoms, a charging device that charges the electrophotographic photoreceptor, an electrostatic latent image forming device that forms an electrostatic latent image on the electrophotographic photoreceptor that is charged, a developing device that houses a developer containing a toner and that develops, with the developer, the electrostatic latent image formed on the electrophotographic photoreceptor into a toner image, a transfer device that transfers the toner image onto a transfer-receiving medium, and an optical discharging device that, after the toner image iType: ApplicationFiled: March 9, 2023Publication date: April 11, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Keisuke Kusano, Wataru Yamada, Masahiro Iwasaki, Akihiro Kawasaki, Yuki Oyamada
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Publication number: 20240118636Abstract: An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer disposed on the conductive substrate, having a volume resistivity of 5.0×107 [?m] or more and 5.0×109 [?m] or less, and having a thickness of 20 ?m or more and 40 ?m or less, a charge generation layer disposed on the undercoat layer, and a charge transport layer disposed on the charge generation layer, having a volume resistivity of 1.0×1013 [?m] or more and 5.0×1014 [?m] or less, and having a thickness of 15 ?m or more and 40 ?m or less.Type: ApplicationFiled: January 20, 2023Publication date: April 11, 2024Applicant: FUJIFILM Business Innovation Corp.Inventors: Yuki OYAMADA, Wataru Yamada, Masahiro Iwasaki, Keisuke Kusano, Akihiro Kawasaki
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Patent number: 11953945Abstract: A body part of a camera includes a display that is at least partially flexible. A display part of the display includes a first display part and a second display part that are integrally formed. A hinge part that connects the first display part to the second display part to be rotatable relative to each other is provided in the vicinity of a bendable part located at a boundary of each display part. The display is bendable in accordance with rotation of the hinge part with the bendable part as a starting point. An operation member is disposed on a back surface of the second display part, and the operation member is exposed to the outside in a bent state of the display.Type: GrantFiled: April 7, 2022Date of Patent: April 9, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Keisuke Fukuyo, Takashi Yoshida, Yohei Yamada, Kazuki Sugaya
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Publication number: 20240105884Abstract: Performance of an electronic device is improved. A substrate for transfer includes a substrate having a surface and made of a visible light transmitting material, and an elastic deformation portion fixed on the surface of the substrate, transmitting visible light, and made of an elastically deformable material. The elastic deformation portion includes a plurality of element holding portions, and a plurality of protrusions arranged at positions not overlapping with the plurality of element holding portions, and protruding higher than the plurality of element holding portions when the surface of the substrate is a reference plane.Type: ApplicationFiled: September 20, 2023Publication date: March 28, 2024Inventors: Kenichi TAKEMASA, Kazuyuki YAMADA, Keisuke ASADA, Daiki ISONO
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Publication number: 20240067180Abstract: An information distribution apparatus includes an obstacle identification apparatus that identifies an obstacle to a vehicle traveling in an area and then outputs obstacle information related to the position of the obstacle, a road database representing the positions of roads, and an impassable-road determination means that determines a road through which the vehicle cannot pass, based on the obstacle information outputted from the obstacle identification apparatus and the road database, and then outputs impassable-road information. A narrow-area automatic driving system is provided with the information distribution apparatus and the vehicle that travels from a departure point to a target point, along a route formed based on information outputted from the information distribution apparatus.Type: ApplicationFiled: January 12, 2023Publication date: February 29, 2024Applicant: Mitsubishi Electric CorporationInventors: Toshihide SATAKE, Keisuke MORITA, Takahisa AOYAGI, Hiroshi YAMADA, Toru HIGUCHI
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Publication number: 20240069457Abstract: The toner contains binder resin-containing toner particles and silica fine particle S1, wherein the weight-average particle diameter of the toner is 4.0-15.0 ?m, both inclusive, peaks originating with the silica fine particle S1 are observed in 29 Si-NMR measurement of the silica fine particle S1, and, in the spectrum obtained by 29Si CP/MAS NMR or 29Si DD/MAS NMR, the peak area of a peak corresponding to the D1 unit structure in the silica fine particle S1, the peak area of a peak corresponding to the D2 unit structure in the silica fine particle S1, and the peak area of a peak corresponding to the Q unit structure in the silica fine particle S1 satisfy a prescribed relationship.Type: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Inventors: RYUJI MURAYAMA, SHIN KITAMURA, TORU TAKAHASHI, DAISUKE TSUJIMOTO, RYUICHIRO MATSUO, HITOSHI SANO, NOBUYUKI FUJITA, SHUJI YAMADA, YUKA GUNJI, TAKAKUNI KOBORI, YOSHIHIRO OGAWA, ATSUHIKO OHMORI, HIROKI KAGAWA, KEISUKE ADACHI, TOMOKO SUGITA
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Publication number: 20240073646Abstract: An embodiment of the present invention is an information processing system comprising: a user terminal carried by a user; a communication device being attached on a product in a store and including a sensor and a storage, the sensor configured to detect a touch on the product by a person, the storage storing unique identification information; and an information processing device being capable of communicating with the user terminal. The information processing device comprises a control unit configured to, when a detecting device, which is the communication device that has detected a touch on the product by a person, is present in the store, associate user information on the user terminal positioned in proximity to the detecting device, with the identification information on the detecting device.Type: ApplicationFiled: December 9, 2021Publication date: February 29, 2024Applicant: SATO HOLDINGS KABUSHIKI KAISHAInventors: Takashi MATSUO, Keisuke YAMADA, Takeshi SHIBATA
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Patent number: 11917682Abstract: Provided is a wireless LAN system in which an interference control signal transmitter that is provided in the surroundings of the wireless LAN base station and the wireless LAN terminal, and is configured to collect wireless environment information regarding the interfering AP/STA, and transmit, to the interfering AP/STA, an interference control signal that is to be used to set a transmission waiting period; and an interference control signal management device configured to collect the wireless environment information from the interference control signal transmitter, determine the interference control signal transmitter whose communication area includes the interfering AP/STA based on the wireless environment information, and control the determined interference control signal transmitter to transmit the interference control signal to be used to set the transmission waiting period that corresponds to a length of time of the communication between the wireless LAN base station and the wireless LAN terminal, wherType: GrantFiled: November 8, 2019Date of Patent: February 27, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kenichi Kawamura, Yasushi Takatori, Tomoyuki Yamada, Hiroshi Nakamoto, Keisuke Wakao, Shota Nakayama
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Publication number: 20230301046Abstract: The present disclosure provides a stacked body for a flexible display device comprising a substrate layer, and an antistatic layer, wherein a surface resistance of an antistatic layer side surface of the stacked body for a flexible display device is 9×1013?/? or less; and a surface resistance of the antistatic layer side surface of the stacked body for a flexible display device after an eraser test is 9×1013?/? or less, wherein, in the eraser test, the antistatic layer side surface of the stacked body for a flexible display device is rubbed with a 6 mm diameter eraser, for 2500 strokes, applying a load of 9.8 N.Type: ApplicationFiled: March 9, 2021Publication date: September 21, 2023Inventors: Keisuke YAMADA, Jun SATO, Saori KAWAGUCHI
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Publication number: 20230296811Abstract: The present disclosure provides a stacked body for a flexible display device comprising a substrate layer, and an antistatic layer, wherein a contact angle with respect to water, of an antistatic layer side surface of the stacked body for a flexible display device, is 100° or more; a ratio of a contact angle with respect to water after a steel wool test, with respect to an initial contact angle with respect to water, of the antistatic layer side surface of the stacked body for a flexible display device is, 0.6 or more, wherein, in the steel wool test, the antistatic layer side surface of the stacked body for a flexible display device is rubbed with a #0000 steel wool, for 2500 strokes, applying a load of 9.Type: ApplicationFiled: March 9, 2021Publication date: September 21, 2023Inventors: Keisuke YAMADA, Jun SATO, Saori KAWAGUCHI
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Patent number: 11707176Abstract: An upright vacuum cleaner includes a main-body part (10) having a dust-collection chamber (14) fluidly connected to a motor chamber (13) via a coupling pipe (15). A fan (13f) and a motor (13m) are housed in the motor chamber. A cleaner head (20) is pivotably and fluidly connected to the main-body part and suctions air through a suction opening (23) when a suction force is generated by the fan and the motor in the motor chamber. A straight suction passageway (24) extends through a central portion of the interior of the cleaner head in plan view. One or more batteries (50) is/are disposed within the cleaner head spaced apart (outward) from the suction passageway in the plan view.Type: GrantFiled: February 13, 2020Date of Patent: July 25, 2023Assignee: MAKITA CORPORATIONInventors: Keisuke Yamada, Takayuki Tahara
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Publication number: 20230016838Abstract: One embodiment of the present disclosure provides a resin layer 10 used for an image displaying device, wherein a shear storage elastic modulus G? of the resin layer 10, at 25° C. and frequency range of 500 Hz or more and 1000 Hz or less, is 30 MPa or more and 200 MPa or less, and a glass transition temperature of the resin layer 10 is 50° C. or more.Type: ApplicationFiled: September 28, 2020Publication date: January 19, 2023Inventors: Atsuhiro KOBAYASHI, Yousuke KOUSAKA, Takayuki FUKUDA, Kazuya HONDA, Kana YAMAMOTO, Yoshimasa OGAWA, Jun SATO, Gen FURUI, Keisuke YAMADA, Saori KAWAGUCHI
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Publication number: 20220392676Abstract: A silicon oxide-coated soft magnetic powder, in which the ratio of a volume-based cumulative 50% particle diameter D50 (HE) according to a dry laser diffraction particle size distribution analysis to the same particle diameter D50 (MT) according to a wet laser diffraction particle size distribution analysis is 0.7 or more, and a coverage ratio R defined by R=Si×100/(Si+M) (Si and M are molar fractions of Si and elements constituting the soft magnetic powder) is 70% or more is obtained by subjecting a slurry containing a soft magnetic powder containing 20 mass % or more of iron and a hydrolysate of a silicon alkoxide to a dispersion treatment when the surface of the soft magnetic powder is coated with the hydrolysate in a mixed solvent of water and an organic substance. The powder has good insulation/dispersibility properties and a high filling factor during molding.Type: ApplicationFiled: November 19, 2020Publication date: December 8, 2022Inventors: Hidefumi FUJITA, Koji TANOUE, Keisuke YAMADA, Tetsuya KAWAHITO