Patents by Inventor Masaaki Tanaka
Masaaki Tanaka 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: 20250115203Abstract: A vehicle impact absorbing structure includes a side frame, a bumper beam, and an impact absorber compressively deformed by an impact load input to the bumper beam from the front of a vehicle. The impact absorber has a first portion and a second portion that extends from a front end of the side frame toward the front of the vehicle while being inclined outward in a vehicle width direction and is joined to a beam end portion of the bumper beam. At least a part of a rear end of the second portion is located on an outer side of a rear end of the first portion in the vehicle width direction, and the rear end of the first portion and the rear end of the second portion overlap a front end of the side frame in vehicle front view.Type: ApplicationFiled: October 1, 2024Publication date: April 10, 2025Applicant: Mazda Motor CorporationInventors: Takahiro OTANI, Masaaki TANAKA
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Publication number: 20250115301Abstract: A vehicle impact absorbing structure includes a side frame, a bumper beam, and an impact absorbing member compressively deformed by an impact load input to the bumper beam from the front of a vehicle. The impact absorbing member has: a first portion; and a second portion that extends from a front end of the side frame toward the front of the vehicle while being inclined outward in a vehicle width direction, and is joined to a beam end portion of the bumper beam. The impact absorbing member has a common member that is provided across the first portion and the second portion and forms a part of each of the first portion and the second portion.Type: ApplicationFiled: October 1, 2024Publication date: April 10, 2025Applicant: Mazda Motor CorporationInventors: Takahiro OTANI, Masaaki TANAKA
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Publication number: 20250115299Abstract: A vehicle impact absorbing structure includes a side frame, a bumper beam, and an impact absorbing member that is compressively deformable by an impact load input to the bumper beam from the front of a vehicle. The impact absorbing member has: a first portion; and a second portion that extends from a front end of the side frame toward the front of the vehicle while being inclined outward in a vehicle width direction, and is joined to a beam end portion of the bumper beam. A Bending rigidity of the second portion against a load in the vehicle width direction, is higher than a bending rigidity of the first portion against the load in the vehicle width direction.Type: ApplicationFiled: October 1, 2024Publication date: April 10, 2025Applicant: Mazda Motor CorporationInventors: Takahiro OTANI, Masaaki TANAKA
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Publication number: 20240233967Abstract: An organic iodine trapping apparatus and method efficiently traps organic iodine in a nuclear reactor container vessel. A liquid vessel contains a non-volatile liquid (e.g., ionic liquid or interfacial active agent solution) capable of decomposing organic iodine. An introduction pipe introduces a fluid containing organic iodine in the nuclear reactor container vessel to the non-volatile liquid. The non-volatile liquid is heated by heat in the nuclear reactor container vessel or reaction heat of the fluid in the nuclear reactor container vessel. Then, the trapping apparatus decomposes and traps the organic iodine. The organic iodine trapping method includes heating a non-volatile liquid capable of decomposing organic iodine by heat in the nuclear reactor container vessel or reaction heat of fluid in the nuclear reactor container vessel; making the fluid containing organic iodine pass through the heated non-volatile liquid; and decomposing and trapping the organic iodine in the non-volatile liquid.Type: ApplicationFiled: March 26, 2024Publication date: July 11, 2024Inventors: Sohei FUKUI, Motoi TANAKA, Masaaki TANAKA, Fumio TOTSUKA, Tomoharu HASHIMOTO, Kazuo TOMINAGA
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Publication number: 20240050893Abstract: A filtered containment venting system includes a filtered containment venting tank having: an organic iodine remover for collecting organic iodine; scrubbing water for collecting inorganic iodine; and an alkalizing agent for adding an action of buffering a pH value to the scrubbing water.Type: ApplicationFiled: May 12, 2023Publication date: February 15, 2024Inventors: Sohei FUKUI, Yoichi WADA, Kazuo TOMINAGA, Motoi TANAKA, Masaaki TANAKA, Daiki NUNOKAWA
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Patent number: 11873024Abstract: Provided is a suspension subframe structure that can activate a load path using an extension frame in an impact while avoiding increase in vehicle weight and also enables a suspension subframe to disengage from a vehicle body when an impact load is too large to be absorbed by the extension frame alone. The suspension subframe structure of the present invention includes a suspension subframe 110 that supports a suspension member 60 for a front wheel. The suspension subframe 110 includes: a body 111 that transmits an impact load input from a vehicle front side toward a vehicle rear side; a fixed portion 124 disposed near the body 111 and fixed to a vehicle body; and a connection portion 121 connecting the fixed portion 124 to the body 111. The connection portion 121 is provided with fragile portions 121f, 122g having a lower strength against a load in a vehicle front-rear direction than the body 111 and the fixed portion 124.Type: GrantFiled: September 13, 2019Date of Patent: January 16, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Hiroyuki Okamoto, Masaaki Tanaka, Fumihiro Kurohara
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Patent number: 11865898Abstract: Coolant flowing from a compressor passes through a heat exchanger and opening-degree adjustable type of expansion valves for heating, and an external heat exchanger. The coolant passing through the external heat exchanger is capable of passing through an expansion valve and a heat exchanger for cooling, and an expansion valve and a heat exchanger for cooling a battery. A grille shutter to change an introduction state of traveling air is provided in front of the external heat exchanger. When pressure of the coolant (particularly, pressure of the coolant at a timing after the coolant passes through the external heat exchanger) is a specified pressure or lower, the grille shutter is closed, whereby the heat-exchange performance of the external heat exchanger is lowered.Type: GrantFiled: December 30, 2020Date of Patent: January 9, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Yasuhiko Nakahara, Masaaki Tanaka, Taiki Shigemori, Masaki Nishino
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Publication number: 20230363280Abstract: A piezoelectric element includes a support and a vibration unit disposed on the support. The vibration unit includes a piezoelectric film and an electrode film connected to the piezoelectric film to extract charges generated by deformation of the piezoelectric film. The vibration unit has a support region supported on the support, and a vibration region connected to the support region and floating from the support. The vibration unit outputs a pressure detection signal based on the charges. The vibration region includes a plurality of slits extending from a support region side toward a center of the vibration region and is in a state of being supported at both ends with respect to the support region.Type: ApplicationFiled: July 21, 2023Publication date: November 9, 2023Inventors: Minekazu SAKAI, Kazuaki MAWATARI, Yuji KOYAMA, Masaaki TANAKA, Tomoya JOMORI, Yuhei SHIMIZU
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Patent number: 11753540Abstract: A resin composition including a thermoplastic resin, glass balloons, and silica particles, wherein a ratio of a content of the glass balloons is 10% by mass or more and 30% by mass or less when a total content of the thermoplastic resin and the glass balloons is 100% by mass, and a ratio of a content of the silica particles is 0.02 parts by mass or more and 5 parts by mass or less when the total content of the thermoplastic resin and the glass balloons is 100 parts by mass.Type: GrantFiled: January 28, 2019Date of Patent: September 12, 2023Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Masaaki Tanaka
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Publication number: 20230243710Abstract: A piezoelectric element includes a plurality of vibration regions that are separated from each other by a slit, and the slit is formed to have a tapered portion that is tapered from a first surface of the vibration regions on an opposite side to a support to a second surface opposite to the first surface. An electrode film is positioned inside than the slit when being viewed from a normal direction orthogonal to the first surface, and an angle formed by a side surface of the tapered portion in the vibration region and a surface parallel to the first surface is in a range of 39 to 81 degrees.Type: ApplicationFiled: April 7, 2023Publication date: August 3, 2023Inventors: TOMOYA JOMORI, RYUICHIRO ABE, DAISUKE KOBAYASHI, TAKAHIRO HIGUCHI, YUTAKA HAYAKAWA, MINEKAZU SAKAI, KAZUAKI MAWATARI, YUJI KOYAMA, MASAAKI TANAKA
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Patent number: 11691556Abstract: A ramp system for a vehicle includes a control device. Using an obstacle detection device, the control device determines whether an obstacle exists within a ramp extension area. Upon determining that an obstacle exists within the ramp extension area, the control device causes a vehicle to move to a location in which no obstacle exists within the ramp extension area.Type: GrantFiled: December 28, 2020Date of Patent: July 4, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHAInventors: Hideki Maeda, Shunsuke Kanagai, Masaaki Tanaka, Isao Honda, Taiki Ishiguro, Tomoyuki Kato, Takeshi Nishikibe, Dai Hidaka
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Patent number: 11666979Abstract: A gas shielded arc welding method includes welding a steel sheet with a tensile strength of 780 MPa or more using a shielding gas containing Ar in an amount of 92 vol. % to 99.5 vol. %. In the gas shielded arc welding method, a value calculated from the following expression (1) is 0.20 or more: {?v/(D/2)2}×10?{(100?CAr)×I/v}×0.1 . . . (1), where CAr represents an Ar content (vol. %) in the shielding gas, D represents an inner diameter (mm) of a nozzle from which the shielding gas is supplied, v represents a welding speed (cm/min), and I represents a welding current (A).Type: GrantFiled: October 23, 2019Date of Patent: June 6, 2023Assignees: Kobe Steel, Ltd., Mazda Motor CoroorationInventors: Ryota Yamasaki, Kazuya Ikai, Masaaki Tanaka, Mitsugi Fukahori
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Patent number: 11643368Abstract: The invention provides a ceramic device enabling more complex, elaborate patterns for resistance heating elements or electrodes. A ceramic device includes a ceramic substrate consisting of a ceramic sintered body and including at least a base layer, an intermediate layer laminated over the base layer, and an overlayer laminated over the intermediate layer; and an electrifiable resistance heating element or electrode having a predetermined pattern extending in a planar shape and being embedded in the ceramic substrate. A horizontal surface is defined in the upper surface of the intermediate layer, along which the resistance heating element or electrode is arranged, and the overlayer is laminated onto the upper surface of the intermediate layer to cover the resistance heating element or electrode.Type: GrantFiled: December 25, 2018Date of Patent: May 9, 2023Assignee: MARUWA CO., LTD.Inventors: Kazuhisa Toyofuku, Masaaki Tanaka, Kiminori Hori
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Publication number: 20230095111Abstract: The aqueous pigment dispersion for IJ inks has excellent dispersion quality as well as high color strength and light fastness and is particularly suited for use as an U aqueous pigment ink. It includes C.I. Pigment Yellow 180, a block copolymer having an acid value of 10 or more and 20 or less and an amine value of 20 or less, and water. The present invention also provides C.I. Pigment Yellow 180 having an aspect ratio of 1.0 to 2.0, a primary particle shorter diameter of 30 to 100 nm, and a crystallite size of 15.0 nm or more as calculated from the Scherrer equation based on the full width at half maximum of a peak A indicated by a maximum diffraction intensity at a diffraction angle 2?=6.7±0.50 in a powder X-ray diffraction pattern of diffraction intensities versus 2? measured using CuK? radiation.Type: ApplicationFiled: January 28, 2021Publication date: March 30, 2023Applicant: DIC CorporationInventors: Issei Masuko, Masaaki Tanaka, Masaki Hosaka, Shingo Saitou, Miyuki Morishita
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Publication number: 20230032273Abstract: An organic iodine remover is a remover for removing organic iodine and is a substance composed of a cation and an anion, and the cation (for example, a phosphonium cation, an ammonium cation, or a sulfonium cation) has a molecular structure in which an electron donating group (for example, a phosphino group, an amino group, a sulfanyl group, a hydroxy group, or an alkoxy group) is bonded to a phosphorus atom, a nitrogen atom or a sulfur atom. An organic iodine removing apparatus includes: a vessel into which the organic iodine remover for removing the organic iodine is charged; and introduction pipes through which a fluid containing organic iodine is introduced into the organic iodine remover.Type: ApplicationFiled: December 1, 2020Publication date: February 2, 2023Applicant: HITACHI-GE NUCLEAR ENERGY, LTD.Inventors: Sohei FUKUI, Motoi TANAKA, Kazuo TOMINAGA, Masaaki TANAKA, Fumio TOTSUKA, Tomoharu HASHIMOTO
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Publication number: 20220218541Abstract: A control device of a vehicle is installed in a vehicle including: a body having a vehicle cabin and a floor panel constituting a floor of the vehicle cabin; a door opening-closing mechanism that drives a door mounted on the body to open and close; and a slope deploying mechanism that deploys a slope plate housed under the floor panel to the outside of the body. The control device coordinates the operation of the door opening-closing mechanism and the slope deploying mechanism. The control device opens the door by the door opening-closing mechanism after deploying the slope plate toward the outside of the body by the slope deploying mechanism.Type: ApplicationFiled: January 7, 2022Publication date: July 14, 2022Inventors: Kentaro Oya, Ryo Kanda, Seiji Kanda, Masaaki Tanaka, Naoya Ishida, Chihiro Date
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Publication number: 20220139586Abstract: As an organic iodine remover that removes organic iodine in a containment vessel of a nuclear reactor, an organic agent (for example, an ionic liquid, an interfacial active agent, a quaternary salt, or a phase transfer catalyst) having a function of dissolving and decomposing the organic iodine and retaining iodine is used. The organic iodine remover is a substance composed of a cation and an anion. The organic iodine remover is, in particular, an organic iodine remover in which, in a structure of the cation of the organic agent, carbon or oxygen is bonded to, via a single bond, to a phosphorus element, a sulfur element or a nitrogen element, the number of carbon chains is 2 or more, and an anionic structure is configured with a substance with high nucleophilicity. By using such an organic agent, the organic iodine is removed with an efficiency of 99% or more.Type: ApplicationFiled: January 21, 2020Publication date: May 5, 2022Inventors: Sohei FUKUI, Motoi TANAKA, Masaaki TANAKA, Fumio TOTSUKA, Tomoharu HASHIMOTO, Kazuo TOMINAGA
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Publication number: 20220139587Abstract: To provide an iodine trapping apparatus capable of trapping organic iodine in a wide temperature range with high efficiency. The iodine trapping apparatus includes a first trapping agent 2 capable of trapping organic iodine in a gas in a nuclear power structure main body. The first trapping agent 2 contains a generating and trapping component which generates an iodide ion (I?) from organic iodine (RI) and traps the generated iodide ion, and a generating component which is different from the generating and trapping component, generates an iodide ion from the organic iodine at least at 100° C. to 130° C., and traps the generated iodide ion in the generating and trapping component.Type: ApplicationFiled: October 27, 2021Publication date: May 5, 2022Inventors: Sohei FUKUI, Kazushige ISHIDA, Tsuyoshi ITO, Kazuo TOMINAGA, Motoi TANAKA, Masaaki TANAKA
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Publication number: 20220051813Abstract: An organic iodine trapping apparatus and method efficiently traps organic iodine in a nuclear reactor container vessel. A liquid vessel contains a non-volatile liquid (e.g., ionic liquid or interfacial active agent solution) capable of decomposing organic iodine. An introduction pipe introduces a fluid containing organic iodine in the nuclear reactor container vessel to the non-volatile liquid. The non-volatile liquid is heated by heat in the nuclear reactor container vessel or reaction heat of the fluid in the nuclear reactor container vessel. Then, the trapping apparatus decomposes and traps the organic iodine. The organic iodine trapping method includes heating a non-volatile liquid capable of decomposing organic iodine by heat in the nuclear reactor container vessel or reaction heat of fluid in the nuclear reactor container vessel; making the fluid containing organic iodine pass through the heated non-volatile liquid; and decomposing and trapping the organic iodine in the non-volatile liquid.Type: ApplicationFiled: November 12, 2019Publication date: February 17, 2022Inventors: Sohei FUKUI, Motoi TANAKA, Masaaki TANAKA, Fumio TOTSUKA, Tomoharu HASHIMOTO, Kazuo TOMINAGA
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Patent number: 11198473Abstract: A subframe structure includes a subframe disposed below a vehicle body structure of a vehicle, and an extension frame extending forward from the subframe and configured to absorb an impact load from forward of a vehicle body. The subframe has a body part extending in a vehicle front-and-rear direction and a mount support part supporting a power train through a mount. The body part is fixed to the vehicle body structure through the mount support part.Type: GrantFiled: February 12, 2019Date of Patent: December 14, 2021Assignee: Mazda Motor CorporationInventors: Hiroyuki Okamoto, Masaaki Tanaka, Masaya Hiramatsu, Yuki Hayakawa