Patents by Inventor Kenji Sakai
Kenji Sakai 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: 20240405909Abstract: A control device includes an acquisition unit that acquires information from a distributed station that notifies the information related to one or more events occurred within a predetermined time period at a predetermined notification frequency, an information analysis unit that executes analysis processing on the information, a frequency derivation unit that derives an occurrence frequency of the information, a load derivation unit that derives a load of analysis processing of the information, and a frequency control unit that controls the predetermined notification frequency with a frequency lower than the occurrence frequency as an upper limit on the basis of at least one of an analysis result of the information, an occurrence frequency of the information, and a load of analysis processing of the information.Type: ApplicationFiled: October 4, 2021Publication date: December 5, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hiroko NOMURA, Hirotaka UJIKAWA, Kenji MIYAMOTO, Kota ASAKA, Yoshihito SAKAI, Tatsuya SHIMADA
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Publication number: 20240379318Abstract: Provided is a charged particle beam device that can precisely manage a temperature at which a cold field emitter is heated. A charged particle beam device includes: a cold field emitter including a tip having a sharpened distal end, a filament connected to the tip, and an auxiliary electrode covering the filament and having an opening from which the tip protrudes; an extraction electrode to which an extraction voltage for extracting electrons from the cold field emitter is applied; and an acceleration electrode to which an acceleration voltage for accelerating the electrons extracted from the cold field emitter is applied. When the tip and the filament are heated, thermionic electrons emitted from the tip and the filament are collected by the auxiliary electrode to measure a current by applying a positive voltage with respect to the tip to the auxiliary electrode.Type: ApplicationFiled: October 19, 2021Publication date: November 14, 2024Inventors: Keigo KASUYA, Shuhei ISHIKAWA, Kenji TANIMOTO, Shunichi WATANABE, Takashi DOI, Yusuke SAKAI
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Patent number: 12144122Abstract: In manufacturing a printed circuit board using a semi-additive method, a removal liquid that has been used in removing a nickel-chromium-containing layer (5) is regenerated by contacting the removal liquid with a chelate resin having a functional group represented by a following formula (1): where a plurality of Rs are identical divalent hydrocarbon groups having 1 to 5 carbons, and a portion of hydrogen atoms may be substituted with halogen atoms.Type: GrantFiled: November 16, 2021Date of Patent: November 12, 2024Assignees: SUMITOMO ELECTRIC INDUSTRIES. LTD., SUMITOMO ELECTRIC: PRINTED CIRCUITS, INC., MEC COMPANY LTD.Inventors: Shoichiro Sakai, Ryuta Ohsuka, Koji Nitta, Yoshihito Yamaguchi, Masaharu Yasuda, Akira Tsuchiko, Koji Kasuya, Kenji Nishie, Yu Fukui
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Patent number: 12113330Abstract: A semiconductor laser device includes a semiconductor laser chip that emits laser light, a plate-like base, and a block protruding from the base and supporting the semiconductor laser chip. The block has a supporting surface and a wire bonding surface. The supporting surface faces a first side in a first direction perpendicular to the laser light emitting direction, and supports the semiconductor laser chip. The wire bonding surface is a surface to which a wire connected to the semiconductor laser chip is connected. The wire bonding surface is shifted in a second direction perpendicular to the emitting direction and the first direction with respect to the supporting surface. The wire bonding surface is inclined relative to the supporting surface, such that the wire bonding surface is more offset to a second side in the first direction with increasing distance from the supporting surface in the second direction.Type: GrantFiled: September 19, 2019Date of Patent: October 8, 2024Assignee: ROHM CO., LTD.Inventors: Kenji Sakai, Kazuyoshi Izumi
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Publication number: 20240323575Abstract: A control device including a collection unit that acquires, at a predetermined cycle, cooperation information, which is information indicating a communication state between a communication system that includes a wireless station including an antenna and an allocation device that allocates a wavelength, and a terminal to be communicated, an analysis unit that analyzes the communication state in the communication system on the basis of the cooperation information, and an allocation control unit that controls execution of wavelength allocation by the allocation device on the basis of an analysis result of the analysis unit.Type: ApplicationFiled: October 4, 2021Publication date: September 26, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Karin UMEDA, Kota ASAKA, Hiroko NOMURA, Hiroshi O, Yoshihito SAKAI, Hirotaka UJIKAWA, Kenji MIYAMOTO, Yuka OKAMOTO, Tatsuya SHIMADA
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Publication number: 20240323800Abstract: According to an aspect of the present invention, there is a wireless communication system including: a plurality of end wireless devices that include an antenna and transmit and receive signals to and from a wireless terminal which is a communication target; a plurality of transfer devices that transfer signals which are transmitted and received by the wireless terminal which is a communication target and the end wireless device; and a transfer management device that, in a case where communication status information indicating a status of communication between the wireless terminal and the end wireless devices is received, executes a transfer route control process of controlling paths between the plurality of transfer devices on the basis of the received communication status information, wherein the end wireless devices execute a switching process of controlling operations of the end wireless devices relating to communication between the end wireless devices and the wireless terminal on the basis of the commuType: ApplicationFiled: August 6, 2021Publication date: September 26, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kenji MIYAMOTO, Yoshihito SAKAI, Tatsuya SHIMADA
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Publication number: 20240323746Abstract: A communication system including one or more base stations that accommodates wireless terminals, one or more transfer apparatuses that transfer uplink communication of the wireless terminal received via the base station to an upper side, and a transfer apparatus controller that controls the one or more transfer apparatuses includes an information acquisition unit that acquires information on wireless communication between the base station and the wireless terminal for each traffic flow, a rate determination unit that determines a shaping rate of the traffic shaping for each traffic flow, so that delay jitter in the base station is mitigated on an upper side with respect to the base station, on the basis of the information on the wireless communication for each traffic flow, and a communication control unit that executes traffic shaping on the upper side with respect to the base station on the basis of the shaping rate determined by the rate determination unit.Type: ApplicationFiled: October 12, 2021Publication date: September 26, 2024Inventors: Kenji Miyamoto, Yoshihito SAKAI, Tatsuya SHIMADA, Keita Takahashi
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Patent number: 12097532Abstract: This invention provides a method for forming a multilayer coating film, comprising applying a base paint (X) having a solids content ratio of 30 to 62 mass % to a substrate to form a base coating film having a cured film thickness of 6 to 45 ?m; applying an effect pigment dispersion (Y) having a solids content ratio of 0.1 to 10 mass % to the base coating film to form an effect coating film having a cured film thickness of 0.1 to 5.Type: GrantFiled: September 10, 2020Date of Patent: September 24, 2024Assignee: KANSAI PAINT CO., LTD.Inventor: Kenji Sakai
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Publication number: 20240294779Abstract: A multilayer coating film-forming method including: (1) applying a photoluminescent coating material composition (Y) onto an object to be coated to form a photoluminescent coating film; (2) applying a clear coating material composition (Z) containing (z1) a hydroxyl group-containing resin and (z2) a polyisocyanate compound onto the photoluminescent coating film produced in (1) to form a clear coating film; and (3) heating, separately or simultaneously, the photoluminescent coating film formed in (1) and the clear coating film formed in (2) to cure the photoluminescent coating film and the clear coating film, the photoluminescent coating material composition (Y) containing an indium particle (y1), a surface conditioner (y2), and an organic solvent (y3), and a solid content being from 0.1 to 15 mass %.Type: ApplicationFiled: March 28, 2022Publication date: September 5, 2024Applicant: KANSAI PAINT CO., LTD.Inventors: Nobuhiko NARITA, Kenji SAKAI
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Publication number: 20240278536Abstract: Provided is a bismaleimide composition including: a bismaleimide resin (A) having a structure derived from an aromatic tetracarboxylic acid (a1), a dimer diamine (a2), and a maleic anhydride (a3); and silica particles (B) surface-treated with phenylaminosilane, in which the silica particles (B) have an average particle diameter of 100 nm or less, the silica particles (B) have an maximum aggregation particle size of 20 ?m or less, and a content of the silica particles (B) is 15% by mass or less based on a total solid content of the composition.Type: ApplicationFiled: June 15, 2021Publication date: August 22, 2024Inventors: Kitaru SATO, Takaaki SAKAI, Kenji FURUYA, Hideyuki MAEDA, Hiroshi KODAIRA
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Patent number: 12064991Abstract: An image forming device comprises: a receiving part that receives image data containing first image data relating to a black and white image and second image data relating to a foil image; a carrying path along which a recording medium is carried in a predetermined direction; an inkjet printing part, arranged on the carrying path, injects an ink based on the first image data to the recording medium, and forms the black and white image or the color image on the recording medium; a toner image printing part, arranged on the carrying path, forms the toner image for adhesion based on the second image data, and transfers the toner image to the recording medium; and a foil image forming part, arranged on the carrying path, enables the toner image transferred to the recording medium to melt and attaches the foil to the melted toner image to form the foil image.Type: GrantFiled: July 9, 2020Date of Patent: August 20, 2024Assignee: KONICA MINOLTA, INC.Inventors: Tetsuya Sakai, Yoshinori Tsutsumi, Kenji Tsuru, Munenori Nakano
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Publication number: 20240261814Abstract: A substrate processing method includes a liquid film forming step of forming a liquid film, a liquid film heat retaining step of keeping the liquid film warm, a gas phase layer forming step of forming a gas phase layer which holds the processing liquid on a center portion of the liquid film, an opening forming step of forming an opening in the center portion of the liquid film by excluding the processing liquid held by the gas phase layer, a substrate rotating step of rotating the substrate around a rotation axis, and an opening expanding step of expanding the opening, while a state in which the gas phase layer is formed on an inner circumferential edge of the liquid film is maintained, by moving the irradiation region toward a circumferential edge portion of the substrate while the liquid film heat retaining step and the substrate rotating step are performed.Type: ApplicationFiled: April 18, 2024Publication date: August 8, 2024Applicant: SCREEN Holdings Co., Ltd.Inventors: Hiroshi ABE, Takashi OTA, Takaaki ISHIZU, Kenji KOBAYASHI, Ryo MURAMOTO, Sei NEGORO, Manabu OKUTANI, Wataru SAKAI
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Patent number: 12054631Abstract: The problem to be solved by the present invention is to provide an effect pigment dispersion that exhibits excellent water resistance, that can form metallic or pearly luster, and that further exhibits high stability; and to provide a method for forming a multilayer coating film. The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and a phosphate-group-containing cellulose-based rheology control agent (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa·sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.Type: GrantFiled: May 22, 2019Date of Patent: August 6, 2024Assignee: KANSAI PAINT CO., LTD.Inventors: Yosuke Hasegawa, Nobuhiko Narita, Masayuki Itoh, Kenji Sakai
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Patent number: 12043763Abstract: An effect paint for automobiles, comprising water, a dispersant (A), cellulose nanofibers (B), and an effect pigment (C).Type: GrantFiled: June 17, 2020Date of Patent: July 23, 2024Assignee: KANSAI PAINT CO., LTD.Inventors: Kenji Sakai, Nobuhiko Narita
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Patent number: 12042813Abstract: A substrate processing method includes a liquid film forming step of forming a liquid film, a liquid film heat retaining step of keeping the liquid film warm, a gas phase layer forming step of forming a gas phase layer which holds the processing liquid on a center portion of the liquid film, an opening forming step of forming an opening in the center portion of the liquid film by excluding the processing liquid held by the gas phase layer, a substrate rotating step of rotating the substrate around a rotation axis, and an opening expanding step of expanding the opening, while a state in which the gas phase layer is formed on an inner circumferential edge of the liquid film is maintained, by moving the irradiation region toward a circumferential edge portion of the substrate while the liquid film heat retaining step and the substrate rotating step are performed.Type: GrantFiled: December 24, 2020Date of Patent: July 23, 2024Assignee: SCREEN Holdings Co., Ltd.Inventors: Hiroshi Abe, Takashi Ota, Takaaki Ishizu, Kenji Kobayashi, Ryo Muramoto, Sei Negoro, Manabu Okutani, Wataru Sakai
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Patent number: 12040590Abstract: A semiconductor laser device A1 comprises a semiconductor laser chip 2 and a stem 1. The stem 1 includes a base 11 and leads 3A, 3B, and 3C fixed to the base, and supports the semiconductor laser chip 2. The semiconductor laser device A1 further comprises a first metal layer 15 including a first layer 151 covering the base 11 and the leads 3A, 3B, and 3C, a second layer 152 interposed between the first layer 151 and each of the base 11 and the leads 3A, 3B, and 3C, and a third layer 153 interposed between the second layer 152 and each of the base 11 and the leads 3A, 3B, and 3C. Crystal grains in the second layer 152 are smaller than crystal grains in the third layer 153. Such a configuration can suppress corrosion.Type: GrantFiled: September 24, 2019Date of Patent: July 16, 2024Assignee: ROHM CO., LTD.Inventors: Hiroyuki Tajiri, Kenji Sakai, Kazuyoshi Izumi
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Patent number: 11932781Abstract: The present invention provides an effect pigment dispersion that contains water, a wetting agent (A), a flake-effect pigment (B), and specific cellulose nanofibers (C). The effect pigment dispersion has a solids content of 0.1 to 10 parts by mass, per 100 parts by mass of all of the components of the effect pigment dispersion; and has a viscosity of 100 to 10000 mPa·sec as measured with a Brookfield viscometer at a rotational speed of 6 revolutions per minute.Type: GrantFiled: September 24, 2019Date of Patent: March 19, 2024Assignee: KANSAI PAINT CO., LTD.Inventors: Kenji Sakai, Nobuhiko Narita
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Patent number: 11898078Abstract: A semiconductor phosphor configured to exhibit photoluminescence upon irradiation with excitation light, including: at least one active layer made of a compound semiconductor and containing an n-type or p-type dopant; and at least two barrier layers made of a compound semiconductor and having a larger band gap than the active layer. The active layer and the barrier layers are alternately stacked. This provides a semiconductor phosphor which allows easy wavelength adjustment, high efficiency and stability.Type: GrantFiled: October 11, 2018Date of Patent: February 13, 2024Assignee: SHIN-ETSU HANDOTAI CO., LTD.Inventors: Susumu Higuchi, Kenji Sakai, Masato Yamada, Masanobu Takahashi, Junya Ishizaki
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Publication number: 20230358485Abstract: Clamping device 20 is a clamping device for clamping and fixing core 10, whose interior is divided into multiple flow channels F1, F2 by plates 11 that are stacked, of stacked heat exchanger 1 in stacking direction Z of plates 11, including: two end plates 21, 22 placed on both sides of core 10 in stacking direction Z; connecting member 23 connecting two end plates 21, 22 to keep two end plates 21, 22 apart by a distance greater than a length of core 10 in stacking direction Z; and bolts 24 inserted respectively into thread through-holes 21a, 22a formed on each of end plates 21, 22 for pressing core 10 in stacking direction Z.Type: ApplicationFiled: August 26, 2021Publication date: November 9, 2023Applicant: TOYO ENGINEERING CORPORATIONInventors: Takeshi SATO, Satoshi NAGATA, Kenji SAKAI
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Publication number: 20230303856Abstract: An effect pigment dispersion containing a wetting agent (A), a flake-effect pigment (B), a sulfonic acid-modified cellulose nanofiber (C), and water (D), the effect pigment dispersion containing a solid content of 0.1 to 10 parts by mass per 100 parts by mass of a total of all components of the effect pigment dispersion.Type: ApplicationFiled: May 17, 2021Publication date: September 28, 2023Applicant: KANSAI PAINT CO., LTD.Inventors: Nobuhiko NARITA, Kenji SAKAI