Patents by Inventor Takuya Sakai
Takuya 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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Patent number: 12195310Abstract: Provided is a crane including a guy link coupling part easily accommodatable at a predetermined position thereof. The guy link coupling part has a pair of left and right link members each extending in a front-rear direction, and a coupling member extending in a left-right direction and connecting the pair of link members to each other. A linking and retaining structure includes a first retainer provided on a boom for retaining the coupling member to restrict the coupling member from moving in the front-rear direction. The first retainer has: a first slope surface slanting inward of the boom, from a proximal position of the boom toward a distal end thereof; a second slope surface located closer to the distal end of the boom than the first slope surface and slanting outward of the boom; and a recess part disposed between the first slope surface and the second slope surface.Type: GrantFiled: July 22, 2020Date of Patent: January 14, 2025Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takuya Watanabe, Shoji Watanabe, Keiji Sakai
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Patent number: 12188205Abstract: A motor grader representing a work vehicle includes a steering mechanism and a control unit. The control unit controls the steering mechanism to maintain constant, a rate of change in a direction of travel per unit travel distance of the motor grader.Type: GrantFiled: July 7, 2020Date of Patent: January 7, 2025Assignee: KOMATSU LTD.Inventors: Takuya Sonoda, Takeshi Kamimae, Yukihisa Sakai
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Publication number: 20240427826Abstract: A nudge recommendation system includes a verification group storage unit configured to store a verification group management table, a user information storage unit configured to store a user management table, a user nudge storage unit configured to store a user nudge definition table, a nudge changing unit configured to perform changing recommendation information to information different from that of a target nudge and changing the recommendation information to the target nudge after the changing has been performed, and an update unit configured to acquire a result of recommendation of the target nudge to each user and to update the user management table such that the result of recommendation of the target nudge is newly defined in the user management table.Type: ApplicationFiled: August 25, 2022Publication date: December 26, 2024Applicant: NTT DOCOMO, INC.Inventors: Akinari SAKAI, Tetsuya YAMAGUCHI, Takuya IZUMISAWA, Yusuke NAKAMURA
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Publication number: 20240416615Abstract: An object of the present invention is to provide a fiber aggregate for a molded article having satisfactory appearance that can provide a molded article excellent in stiffness and strength against bending, further excellent in impact resistance and appearance. The object of the present invention is also to provide a pre-sheet and a molded article that are obtained from the fiber aggregate for the molded article.Type: ApplicationFiled: October 28, 2022Publication date: December 19, 2024Applicant: OJI HOLDINGS CORPORATIONInventors: Keiichi KAJITA, Yasufumi NAKAYAMA, Takuya ISOGAI, Hayato FUSHIMI, Mio YAMANAKA, Rina SHISHIDO, Mizuki SAKAI, Keiko OKUDA, Takeshi SHIRAO, Takehiro MINAMI
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Publication number: 20240401966Abstract: A light emitting device is located inside a vehicle and emits light toward an occupant compartment where an occupant is seated. The light emitting device comprises a light emitting unit and a control unit. The light emitting unit has a plurality of light emission regions. The plurality of light emission regions are arranged along one direction. The control unit controls the light emission region using at least one of first information related to an operation of the vehicle in which the light emitting device is mounted and second information related to an operation of an output unit that performs output toward the occupant compartment of the vehicle.Type: ApplicationFiled: June 12, 2023Publication date: December 5, 2024Inventors: Naoki MITSUNAGA, Naoki FUJIMURA, Yoshikazu SAKAI, Mizuki SUGURU, Hideki NAGATA, Hideki ONO, Teruaki KAIYA, Isao KURATA, Makoto YAJI, Toshiyuki MURATA, Takuya HIROSE
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Publication number: 20240407094Abstract: A printed wiring board includes a conductor layer including wirings, a resin insulating layer having openings, a mounting conductor layer including first and second electrodes, first via conductors including a seed layer and an electrolytic plating layer such that the first via conductors connect the first electrodes and the wirings, and second via conductors including the seed layer and electrolytic plating layer such that the second via conductors connect the second electrodes and the wirings. The first electrodes are positioned to mount a first electronic component. The second electrodes are positioned to mount a second electronic component. The first and second via conductors are formed such that the seed layer is covering an inner wall surface of each opening in the insulating layer and has a first portion and a second portion connected to the first portion and having a part of the first portion formed on the second portion.Type: ApplicationFiled: May 31, 2024Publication date: December 5, 2024Applicant: IBIDEN CO., LTD.Inventors: Masashi KUWABARA, Susumu KAGOHASHI, Jun SAKAI, Takuya INISHI, Kyohei YOSHIKAWA
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Publication number: 20240401244Abstract: It is an object of the present invention to provide a fabric, a fabric body, and a seat that exhibit excellent appearance, sitting comfort, and air permeability, and exhibit an excellent flame retardancy. Provided is a fabric, comprising 50% by mass or more of monofilament, wherein the monofilament is a core-sheath composite fiber having a core and a sheath, wherein the core is contained in 60 to 90% by volume with respect to the core-sheath composite fiber and contains a first flame retardant and a polyester elastomer, and wherein the sheath is contained in 10 to 40% by volume with respect to the core-sheath composite fiber and consists of polyester excluding the polyester elastomer of the core.Type: ApplicationFiled: January 27, 2022Publication date: December 5, 2024Applicant: Toray Industries, Inc.Inventors: Kenichi Sakai, Nana Takada, Kenichi Okunaga, Takuya Ryomoto, Takahiro Nishiguchi
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Publication number: 20240384097Abstract: A polyimide resin composition containing a polyimide resin (A) and an amorphous resin (B), wherein the polyimide resin (A) contains a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit of the formula (1) and the repeating structural unit of the formula (2) is 20 to 70 mol %, and the amorphous resin (B) comprises a repeating structural unit represented by a predetermined formula (I), and a molded article containing the same: wherein R1 represents a divalent group having from 6 to 22 carbon atoms containing at least one alicyclic hydrocarbon structure; R2 represents a divalent chain aliphatic group having from 5 to 16 carbon atoms; and X1 and X2 each independently represent a tetravalent group having from 6 to 22 carbon atoms containing at least one aromatic ring.Type: ApplicationFiled: August 18, 2022Publication date: November 21, 2024Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Atsushi SAKAI, Yuuki SATO, Takuya FUKUSHIMA
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Publication number: 20240389231Abstract: A printed wiring board includes a mounting conductor layer including first and second electrodes, a connection conductor layer including connection wirings such that the connection wirings connect the first and second electrodes, a resin insulating layer formed between the mounting conductor layer and the connection conductor layer and having openings, and connection via conductors formed in the openings of the resin insulating layer and including first and second connection via conductors such that the first connection via conductors electrically connect the first electrodes and the connection wirings and the second connection via conductors electrically connect the second electrodes and the connection wirings. The resin insulating layer includes inorganic particles and resin. The inorganic particles include first inorganic particles forming inner wall surfaces in the openings and second inorganic particles embedded in the resin insulating layer.Type: ApplicationFiled: May 10, 2024Publication date: November 21, 2024Applicant: IBIDEN CO., LTD.Inventors: Masashi KUWABARA, Jun SAKAI, Takuya INISHI
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Patent number: 12140956Abstract: A safety device according to the present disclosure includes a sensor that is attached to a self-propellable travel device or a robot provided to the travel device, is set with a given detection area on the basis of a position of the sensor, and detects an object existing within the given detection area. The safety device further includes a motion suppressing device that suppresses motions of the travel device and the robot, when the existence of the object within the given detection area is detected by the sensor, and an area changing device that changes the given detection area according to operating states of the travel device and the robot.Type: GrantFiled: December 28, 2020Date of Patent: November 12, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Hiroki Kokushi, Takayuki Iga, Takuya Ichise, Ryota Sakai, Risa Momota
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Publication number: 20240366910Abstract: A nudge management device includes: a storage unit configured to store information of a nudge which is a mechanism for prompting a user to voluntarily adopt a desirable behavior; an acquisition unit configured to acquire nudge intervention information which is information associated with intervention of a nudge; and an abrasion deriving unit configured to derive nudge abrasion information indicating a degree of decrease in effect of the nudge associated with the nudge intervention information based on the nudge intervention information and to output the derived nudge abrasion information.Type: ApplicationFiled: August 25, 2022Publication date: November 7, 2024Applicant: NTT DOCOMO, INC.Inventors: Akinari SAKAI, Tetsuya YAMAGUCHI, Takuya IZUMISAWA, Yusuke NAKAMURA
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Publication number: 20240306296Abstract: A wiring substrate includes a core substrate including a glass substrate and a through-hole conductor formed in the glass substrate, a resin insulating layer formed on the core substrate and including resin and inorganic particles, a conductor layer formed on the insulating layer and including a seed layer and an electrolytic plating layer, and a via conductor formed in the insulating layer such that the via conductor is electrically connected to the through-hole conductor formed in the glass substrate and includes the seed layer and electrolytic plating layer extending from the conductor layer. The conductor layer and the via conductor are formed such that the seed layer is formed by sputtering, and the resin insulating layer has an opening in which the via conductor is formed such that the inorganic particles include first particles forming an inner wall surface in the opening and second particles embedded in the insulating layer.Type: ApplicationFiled: March 8, 2024Publication date: September 12, 2024Applicant: IBIDEN CO., LTD.Inventors: Toshiki FURUTANI, Masashi KUWABARA, Jun SAKAI, Takuya INISHI
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Publication number: 20240306299Abstract: A wiring substrate includes a core substrate including a through-hole conductor, a resin insulating layer formed on the core substrate, a conductor layer formed on a surface of the resin insulating layer and including a seed layer and an electrolytic plating layer formed on the seed layer, and a via conductor formed in the resin insulating layer such that the via conductor is connected to the through-hole conductor in the core substrate and includes the seed layer and electrolytic plating layer extending from the conductor layer. The core substrate includes a glass substrate such that the through-hole conductor is formed in a through hole penetrating through the glass substrate, and the conductor layer and via conductor are formed such that the seed layer is formed by sputtering and includes an alloy including copper, aluminum, and one or more metals selected from nickel, zinc, gallium, silicon, and magnesium.Type: ApplicationFiled: March 5, 2024Publication date: September 12, 2024Applicant: IBIDEN CO., LTD.Inventors: Toshiki FURUTANI, Kyohei YOSHIKAWA, Takuya INISHI, Jun SAKAI
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Publication number: 20240294746Abstract: [Object] An object of the present invention is to provide a novel artificial slime-like polymer material capable of controlling flow characteristics without changing a chemical composition such as a main chain skeleton or a solvent constituting the polymer material. [Solution] It is found that a slime-like polymer material in which liquid-liquid phase separation is induced can be provided and fluidity of the polymer material can be controlled by adding a polymer that does not react with a polymer unit serving as a basic skeleton constituting the polymer material in addition to the polymer unit.Type: ApplicationFiled: April 28, 2023Publication date: September 5, 2024Applicants: The University of Tokyo, GELLYCLE CO., LTD.Inventors: Takamasa SAKAI, Mitsuru NAITO, Takuya KATASHIMA, Kosuke MASUI, Hiroyuki KAMATA
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Publication number: 20240292536Abstract: A printed wiring board includes a first conductor layer, a resin insulating layer including resin and inorganic particles, a second conductor layer including a seed layer and an electrolytic plating layer on the seed layer, and a via conductor connecting the first conductor layer and second conductor layer and including the seed layer and electrolytic plating layer extending from the second conductor layer. The second conductor layer and via conductor are formed such that the seed layer includes an alloy including copper, aluminum and a metal including one or more metals selected from nickel, zinc, gallium, silicon and magnesium, and the resin insulating layer is formed such that the inorganic particles include first inorganic particles forming an inner wall surface in the opening and second inorganic particles embedded in the resin insulating layer and that shapes of the first inorganic particles are different from shapes of the second inorganic particles.Type: ApplicationFiled: February 23, 2024Publication date: August 29, 2024Applicant: IBIDEN CO., LTD.Inventors: Susumu KAGOHASHI, Kyohei YOSHIKAWA, Takuya INISHI, Jun SAKAI
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Publication number: 20240279403Abstract: An object is to provide a novel artificial slime-like polymer material having stability against an external solvent without changing the chemical composition of a main chain skeleton, a solvent, and the like constituting the polymer material and without impairing the viscosity and elasticity of the slime-like material. It has been found that by controlling the number of branches, terminal connectivity, and concentration of polymer units constituting the polymer material, it is possible to provide a slime-like polymer material that induces liquid-liquid phase separation and thereby control solubility in external solvents.Type: ApplicationFiled: April 28, 2023Publication date: August 22, 2024Applicants: The University of Tokyo, GELLYCLE CO., LTD.Inventors: Takamasa SAKAI, Mitsuru NAITO, Takuya KATASHIMA, Kosuke MASUI, Hiroyuki KAMATA
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Patent number: 12044990Abstract: A fixing device includes a pressure member, and a holder. The pressure member forms a pressure area between the pressure member and a fixing belt. The holder is provided inside the fixing belt, has a sliding surface in contact with an inner peripheral surface of the fixing belt via a lubricant, and holds a heater for heating the fixing belt. The holder includes a plurality of slits and a blocking portion. The plurality of slits are arranged in an axial direction on the sliding surface upstream of the pressure area in a passing direction of a medium and guide movement of the lubricant from upstream to downstream in a rotational direction of the fixing belt. The blocking portion restricts an outflow of the lubricant from each of the slits and restricts a fall of the fixing belt into each of the slits.Type: GrantFiled: March 28, 2023Date of Patent: July 23, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Tomohiro Watatani, Masakazu Uehara, Hironori Takahashi, Shota Onishi, Yuhiro Sakai, Takuya Kawasumi
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Publication number: 20240243049Abstract: A wiring substrate includes a first build-up part including first insulating layers and conductor layers, a second build-up part laminated to the first part and including second insulating layers and conductor layers, and via conductors including first via conductors in the first insulating layers and second via conductors in the second insulating layers. The first part is positioned closer to first surface side of the substrate than the second part. The first conductor layers include wirings having wiring width and inter-wiring distance that are smaller than wiring width and inter-wiring distance of wirings in the second conductor layers. The first insulating layers include resin and inorganic particles including first particles forming inner wall surfaces in through holes and second particles embedded in the first insulating layers having different shapes from the first particles. Each first conductor layers and via conductors includes a metal film layer and a plating film layer.Type: ApplicationFiled: January 17, 2024Publication date: July 18, 2024Applicant: IBIDEN CO., LTD.Inventors: Toshiki FURUTANI, Masashi KUWABARA, Jun SAKAI, Takuya INISHI
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Publication number: 20240128966Abstract: A detection circuit is provided to output a feedback signal and a adjustment current when a voltage of a high-voltage side main terminal of a semiconductor switching device is equal to or higher than a preset threshold value in a period in which a gate drive circuit turns off the semiconductor switching device to cut off a current, a control circuit diagnoses a state of the semiconductor switching device or controls a signal to be outputted to the gate drive circuit, on the basis of the feedback signal, and a gate current, which is an output of the gate drive circuit, is adjusted by the adjustment current.Type: ApplicationFiled: February 17, 2021Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Takuya SAKAI, Kohei ONDA
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Patent number: 11695409Abstract: A drive circuit of a power semiconductor element comprises a gate drive voltage generator to generate, based on an ON/OFF drive timing signal input to an input terminal, a gate drive voltage to be applied to a gate electrode of a switching element having the gate electrode for controlling a main current that flows between a first main electrode and a second main electrode, wherein the gate drive voltage generator includes a gate current limiting circuit in which a current limiter to limit a current and a voltage limiter to limit the magnitude of a voltage applied to both ends of the current limiter are connected in parallel.Type: GrantFiled: March 16, 2020Date of Patent: July 4, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Takuya Sakai