Patents by Inventor Masaaki Ito
Masaaki Ito 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: 20240114618Abstract: A circuit board unit includes a first circuit board having a first ground layer, a second circuit board having a second ground layer and arranged so as to be opposed to the first circuit board, a connector unit having a first connector attached to the first circuit board, and a second connector attached to the second circuit board and coupled to the first connector, and a metal member arranged between the first circuit board and the second circuit board, and configured to electrically couple the first ground layer and the second ground layer to each other. The metal member is arranged so as to be adjacent to the connector unit.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Yu MASAGO, Toshiyuki OMORI, Masaaki ITO, Takeshi HIRAI
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Publication number: 20240113309Abstract: A fuel cell system that recirculates fuel off gas that has not been used for power generation of a fuel cell is provided. The fuel cell system includes a fuel cell stack, a fuel container, a fuel supply path, and a fuel circulation path. The fuel circulation path is connected to a fuel outlet of the fuel cell stack and extends parallel to an end plate of the fuel cell stack. The fuel supply path is connected to the fuel container, extends parallel to the end plate, and merges with the fuel circulation path at a position where a center of the fuel supply path is offset from a center of the fuel circulation path. The fuel circulation path includes a bent portion downstream of a merging portion with the fuel supply path, and is connected to a fuel inlet of the fuel cell stack downstream of the bent portion.Type: ApplicationFiled: July 26, 2023Publication date: April 4, 2024Inventors: Masayuki ITO, Masaaki MATSUSUE, Yumiko TSUGAWA
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Patent number: 11935676Abstract: An Sm—Fe—N-based magnetic material according to the present disclosure includes a main phase having a predetermined crystal structure. The main phase has a composition represented by a molar ratio formula (Sm(1-x-y-z)LaxCeyR1z)2(Fe(1-p-q-s)CopNiqMs)17Nh (where, R1 is a predetermined rare earth element, M is a predetermined element, and 0?x+y<0.04, 0?z?0.10, 0<p+q?0.10, 0?s?0.10, and 2.9?h?3.1 are satisfied). A lattice volume of the main phase is 0.830 nm3 to 0.840 nm3, and a density of the main phase is 7.70 g/cm3 to 8.00 g/cm3.Type: GrantFiled: September 21, 2021Date of Patent: March 19, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke Ichigozaki, Tetsuya Shoji, Noritsugu Sakuma, Akihito Kinoshita, Masaaki Ito
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Patent number: 11925648Abstract: The present invention provides a solid dosage form having good stability, suspensibility in water and fluidity by preparing a solid dosage form containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, a stabilizer, a sugar alcohol and/or a sugar, a water-soluble polymer and an inorganic substance.Type: GrantFiled: October 22, 2020Date of Patent: March 12, 2024Assignee: SHIONOGI & CO., LTD.Inventors: Naoya Mizutani, Masayuki Morimoto, Maki Okabe, Masaaki Ito, Go Kimura
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Publication number: 20240069671Abstract: In general, in one aspect, one or more embodiments relate to an input device that includes a proximity sensing panel including sensor electrodes, and a proximity sensing circuit. The proximity sensing circuit configured to receive an indication of a transition from a first image refresh rate to a second image refresh rate, wherein the first image refresh rate is greater than a beacon signal rate and the second image refresh rate is equal to or lower than the beacon signal rate. The proximity sensing panel is also configured to align transmitting a beacon signal on the proximity sensing panel to a non-refresh period corresponding to the second refresh rate.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: Masaaki Shiomura, Hirokazu Hatayama, Makoto Takeuchi, Takayuki Noto, Nobukazu Tanaka, Daisuke Ito, Tomohiro Hirakawa
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Patent number: 11914407Abstract: The flow rate control device 10 includes a control valve 11, a restriction part 12 provided downstream of the control valve 11, an upstream pressure sensor 13 for measuring a pressure P1 between the control valve 11 and the restriction part 12, a differential pressure sensor 20 for measuring a differential pressure ?P between the upstream and the downstream of the restriction part 12, and an arithmetic control circuit 16 connected to the control valve 11, the upstream pressure sensor 13, and the differential pressure sensor 20.Type: GrantFiled: April 16, 2020Date of Patent: February 27, 2024Assignee: FUJIKIN INCORPORATEDInventors: Kaoru Hirata, Keisuke Ideguchi, Shinya Ogawa, Katsuyuki Sugita, Masaaki Nagase, Kouji Nishino, Nobukazu Ikeda, Hiroyuki Ito
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Publication number: 20240062936Abstract: A method of producing a rare earth magnetic powder, the method including: heat-treating a mixture containing a SmFeN-based magnetic powder containing Sm, Fe, and N and a modifier powder containing Zn; and dispersing the heat-treated SmFeN-based magnetic powder using a resin-coated metal media or a resin-coated ceramic media.Type: ApplicationFiled: August 11, 2023Publication date: February 22, 2024Applicants: NICHIA CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hisashi MAEHARA, Masaaki ITO, Tomonori INUZUKA, Motoki HIRAOKA
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Publication number: 20230317327Abstract: A production method of a Sm—Fe—N-based rare earth magnet, enabling to stably impart sufficient anisotropy, is provided. The present disclosure provides a production method of a rare earth magnet, including preparing a raw material powder containing a magnetic powder (SmFeN powder 10) having a magnetic phase which contains Sm, Fe and N and at least partially has a crystal structure of at least either Th2Zn17 type or Th2Ni17 type, and pressure-sintering the raw material powder. In this production method, magnetic orientation is imparted to the raw material powder by applying a magnetic field before the pressure sintering, and the application of magnetic field is continued to maintain the magnetic orientation at least until the middle of the pressure sintering.Type: ApplicationFiled: March 21, 2023Publication date: October 5, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki ITO, Noritsugu SAKUMA, Akihito KINOSHITA, Reimi TABUCHI, Tomonori INUZUKA, Kunihiro MATSUYAMA, Masashi HARADA
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Publication number: 20230313011Abstract: The present invention provides a means capable of further improving stability and washability under acidic conditions. The present invention is sulfonic acid-modified colloidal silica having an amount of sulfonic acid groups per 1 g of particles of 1.5 ?mol/g or more and 13.0 ?mol/g or less.Type: ApplicationFiled: March 17, 2023Publication date: October 5, 2023Applicant: FUJIMI INCORPORATEDInventors: Shogo TSUBOTA, Keiji ASHITAKA, Masaaki ITO, Tatsuhiko HIRANO, Shota SUZUKI
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Publication number: 20230318423Abstract: In an axial gap motor, a rotor includes a plurality of rotor cores fixed in a circumferential direction of a rotor base, and a stator includes a plurality of stator cores fixed in a circumferential direction of a stator base, and coils wound around the stator cores. End faces of each of the rotor cores and end faces of the corresponding stator core are opposed to each other while being exposed to each other.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiu Kanada, Kazuaki Haga, Toshimitsu Takahashi, Mayumi Takazawa, Takuya Nomura, Shinya Sano, Takeshi Tomonaga, Hisanori Koma, Yasuhide Yagyu, Kensuke Komori, Tatsuhiko Hirano, Masaaki Ito, Hiroaki Wakimoto
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Patent number: 11767224Abstract: The present invention provides a means capable of suppressing the formation of fine particles in a method for producing a silica sol.Type: GrantFiled: September 22, 2022Date of Patent: September 26, 2023Assignee: FUJIMI INCORPORATEDInventors: Yusuke Kawasaki, Shogo Tsubota, Masaaki Ito, Jun Shinoda, Keiji Ashitaka
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Publication number: 20230277361Abstract: This organ protecting member (1) is used when an opening portion (36a) is formed in an abdominal wall (30) and an intestinal tract (32) is exposed to a body surface (33) from the opening portion (36a) to temporarily construct an artificial anus (34). The organ protecting member (1) includes a movement restricting part (support string (12)) configured to restrict movement of a portion of the lifted intestinal tract (32) on which the artificial anus (34) is constructed toward an abdominal cavity (35); and a cover (11) disposed between the intestinal tract (32) and an inner wall surface (36b) of the opening portion (36a) of the abdominal wall (30).Type: ApplicationFiled: July 7, 2021Publication date: September 7, 2023Applicants: National Cancer Center, SUMITOMO BAKELITE CO., LTD.Inventors: Masaaki ITO, Hiro HASEGAWA, Zenetsu SUZUKI, Akira KAWAMATA
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Patent number: 11735345Abstract: The method for manufacturing the Halbach magnet array includes the steps of: (a) magnetizing at least two first magnetic material pieces in a direction parallel to a first direction, and (b) magnetizing at least one second magnetic material piece in a direction parallel to a second direction perpendicular to the first direction, in this order. In the step (a), the first magnetic material pieces and the second magnetic material piece are alternately arranged in the second direction with the first magnetic material pieces being each adhered to the adjacent second magnetic material piece, and the magnetization is performed under a condition in which a residual magnetization ratio r1 of the first magnetic material pieces is higher than a residual magnetization ratio r2 of the second magnetic material piece.Type: GrantFiled: May 27, 2022Date of Patent: August 22, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiu Kanada, Reimi Sakaguchi, Masaaki Ito, Takuya Nomura, Daisuke Ichigozaki, Motoki Hiraoka, Mitsutoshi Akita
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Publication number: 20230251557Abstract: A projector includes a first light modulator configured to emit first image light beam, a second light modulator configured to emit second image light beam, a prism configured to combine the first image light beam and the second image light beam with each other, a first metal member configured to couple the first light modulator and the prism to each other, a lens configured to project light beam combined by the prism, a second metal member configured to support the lens, and a third metal member configured to couple the prism and the second metal member to each other. An air layer is disposed in a facing area where the first metal member and the prism face each other.Type: ApplicationFiled: February 7, 2023Publication date: August 10, 2023Inventors: Masaaki ITO, Masayuki SUYAMA
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Patent number: 11711004Abstract: In an axial gap motor, a rotor includes a plurality of rotor cores fixed in a circumferential direction of a rotor base, and a stator includes a plurality of stator cores fixed in a circumferential direction of a stator base, and coils wound around the stator cores. End faces of each of the rotor cores and end faces of the corresponding stator core are opposed to each other while being exposed to each other.Type: GrantFiled: April 12, 2021Date of Patent: July 25, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiu Kanada, Kazuaki Haga, Toshimitsu Takahashi, Mayumi Takazawa, Takuya Nomura, Shinya Sano, Takeshi Tomonaga, Hisanori Koma, Yasuhide Yagyu, Kensuke Komori, Tatsuhiko Hirano, Masaaki Ito, Hiroaki Wakimoto
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Publication number: 20230230506Abstract: To provide an artificial tissue model that can be more advantageously used in surgical technique training compared to previous artificial tissues, as well as a method of fabricating the same. An artificial organ model for surgical technique training comprising two or more fibrous layers 2, 3 layered and bonded to each other so as to be peelable by a surgical technique performed by a surgical technique trainee; the layered and bonded two or more fibrous layers 2, 3 as a whole being saturated with an electroconductive liquid or gel; and two adjacent fibrous layers out of the two or more fibrous layers being formed from different materials or substances or in different colors so as to be recognizable as different membranes by the surgical technique trainee.Type: ApplicationFiled: March 24, 2023Publication date: July 20, 2023Inventors: Young-Kwang PARK, Manabu SHINKE, Masaaki ITO
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Publication number: 20230225976Abstract: The present invention relates to a method for manufacturing a lyophilized formulation which comprises a compound represented by Formula (I) shown below, or its pharmaceutically acceptable salt, wherein the water content is controlled and the reconstitution time is short; and a lyophilized formulation. With a method for manufacturing a lyophilized formulation comprising: 1) cooling a liquid comprising the compound represented by Formula (I) or its pharmaceutically acceptable salt in a chamber of a lyophilizer, to a determined cooling temperature, and 2) spraying mist into the chamber, a lyophilized formulation having a specific surface area of 0.6 to 1.1 m2/g can have a water content of 0.5% or less, and a reconstitution time can be 30 seconds or less.Type: ApplicationFiled: July 28, 2021Publication date: July 20, 2023Inventors: Hidenori KAWASAKI, Masaaki ITO
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Patent number: 11682936Abstract: Provided is a motor capable of suppressing reduction of the torque of the motor even if the amount of use of the permanent magnets embedded in the rotor core is reduced. A motor includes a rotor with permanent magnets embedded in a rotor core, and a stator positioned on an outer circumference of the rotor. The rotor includes magnetic poles formed around a rotation axis of the rotor, the magnetic poles having the permanent magnets arranged therein. The permanent magnets in adjacent magnetic poles are arranged such that positions of a north pole and a south pole of the permanent magnet in one magnetic pole are inverted from those of the permanent magnet in a magnetic pole adjacent to the one magnetic pole. The permanent magnets each have a residual magnetization that decreases as it moves from the north pole toward the south pole.Type: GrantFiled: November 2, 2021Date of Patent: June 20, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke Ichigozaki, Kyoko Nakamura, Masaaki Ito
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Publication number: 20230180998Abstract: An endoscope system includes an endoscope, a moving device that moves the endoscope, a storage unit, and a processor. The storage unit stores first position information and first rotation angle information, which defines a rotation angle of an endoscope image of a first region, on the first region in a subject and second position information and second rotation angle information, which defines a rotation angle of an endoscope image of a second region, on the second region in the subject. The processor calculates third rotation angle information on a third region in the subject based on the first and second position information, the first and second rotation angle information, and third position information on the third region. If the third region includes the current imaging region, the processor rotates the endoscope image based on the third rotation angle information and outputs the rotated endoscope image to the display device.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Applicants: OLYMPUS CORPORATION, National Cancer CenterInventors: Chiharu MIZUTANI, Masaru YANAGIHARA, Hiroto OGIMOTO, Hiro HASEGAWA, Daichi KITAGUCHI, Nobuyoshi TAKESHITA, Shigehiro KOJIMA, Yuki FURUSAWA, Yumi KINEBUCHI, Masaaki ITO
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Publication number: 20230180995Abstract: A medical system includes an endoscope that captures an image including an object, a moving device that includes a robot arm and that moves the endoscope in a body, and a controller that controls the moving device on the basis of the position of the object. The controller is configured to control the moving device in a first control mode in which the endoscope is caused to follow the object at a first speed and a second control mode in which the endoscope is caused to follow the object at a second speed lower than the first speed. The controller controls the moving device in the first control mode when the object is located outside a predetermined three-dimensional region set in a field of view of the endoscope. The controller controls the moving device in the second control mode when the object is located in the predetermined three-dimensional region.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Applicants: OLYMPUS CORPORATION, National Cancer CenterInventors: Hiroyuki TAKAYAMA, Ryota SASAI, Masaru YANAGIHARA, Chiharu MIZUTANI, Hiro HASEGAWA, Daichi KITAGUCHI, Nobuyoshi TAKESHITA, Shigehiro KOJIMA, Yuki FURUSAWA, Yumi KINEBUCHI, Masaaki ITO