Patents by Inventor Masakazu Ikeda
Masakazu Ikeda 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).
-
Publication number: 20250220400Abstract: A vehicle control system includes: a first arithmetic unit that acquires arithmetic data and is capable of executing arithmetic processing; a second arithmetic unit that is connected to a subsequent stage of the first arithmetic unit via a network and is capable of executing arithmetic processing of the arithmetic data input from the first arithmetic unit via the network; a first measurement unit that measures a band load of the network; a second measurement unit that measures a processing load of the arithmetic processing by the second arithmetic unit; and a switching unit that causes the first arithmetic unit to perform a part of the arithmetic processing performed by the second arithmetic unit in place of the second arithmetic unit according to the processing load, and adjusts a data amount of the arithmetic data output from the first arithmetic unit to the second arithmetic unit according to the band load.Type: ApplicationFiled: June 24, 2022Publication date: July 3, 2025Applicant: Hitachi Astemo, Ltd.Inventor: Masakazu IKEDA
-
Patent number: 12347945Abstract: A wireless communication device for transmitting and receiving radio waves of a target frequency includes a ground plate having a rectangular shape, a zeroth-order resonant antenna element arranged at a position shifted from a center of the ground plate in a lengthwise direction of the ground plate, and a circuit module configured to transmit and receive signal via the zeroth-order resonant antenna element. The zeroth-order resonant antenna element includes a counter conductor plate arranged at a predetermined distance from the ground plate and having a feed point connected to a feedline, and a short circuit portion electrically connecting the counter conductor plate and the ground plate. The ground plate, the counter conductor plate and the short circuit portion are configured to cause parallel resonance at the target frequency and satisfy a condition that resonance caused by the ground plate is reduced.Type: GrantFiled: June 20, 2023Date of Patent: July 1, 2025Assignee: DENSO CORPORATIONInventors: Yuuji Kakuya, Masakazu Ikeda, Kenichiro Sanji, Tomokazu Miyashita, Ryozo Fujii, Masashi Urabe, Hiromichi Naito
-
Publication number: 20250183542Abstract: A waveguide includes a first waveguide section and a second waveguide section disposed with a predetermined gap therebetween. The first waveguide section has first waveguide holes. The second waveguide section has second waveguide holes that open to face the first waveguide holes, respectively. Each of the second waveguide holes has an opening portion of an elongated hole shape that opens on a facing surface of the second waveguide section that faces the first waveguide section. A direction along a major axis of the opening portion of each of the second waveguide holes is defined as a major axis direction. The major axis direction of the opening portion of one of the second waveguide holes intersects with the major axis direction of the opening portion of another of the second waveguide holes that is adjacent to the one of the second waveguide holes.Type: ApplicationFiled: November 7, 2024Publication date: June 5, 2025Inventors: Masakazu IKEDA, Hirokazu OYABU, Tetsuya KATAYAMA
-
Patent number: 12320912Abstract: A positioning system executes wireless communication with a portable terminal by adopting a radio wave of 1 GHz or higher to determine a position of the portable terminal relative to a vehicle. The positioning system includes a vehicle exterior communication device and a positioning device. The vehicle exterior communication device is disposed at an outer surface portion at least one of a side surface portion or a rear side surface portion of the vehicle, and includes an antenna receiving a wireless signal transmitted from the portable terminal. The positioning device determines whether or not the portable terminal exists at an exterior operating area being a region outside a vehicle compartment within a predetermined operating distance from the vehicle, based on a reception status of the wireless signal received by the vehicle exterior communication device from the portable terminal. The antenna radiates a main polarized wave and a cross-polarized wave.Type: GrantFiled: October 22, 2021Date of Patent: June 3, 2025Assignee: DENSO CORPORATIONInventors: Kenichirou Sanji, Nobuyasu Okabe, Masakazu Ikeda, Yuuji Kakuya
-
Patent number: 12316166Abstract: A plurality of plate-like magnets are partially bonded at a predetermined interval to an inner circumferential surface of a rotor yoke with a first adhesive via a positioning member for positioning in a radial direction and in an axial direction, and a second adhesive is heat-cured in a state where the positioning member is removed, thus bonding and fixing the plurality of plate-like magnets at a predetermined interval and spaced apart from each other in a circumferential direction.Type: GrantFiled: January 22, 2021Date of Patent: May 27, 2025Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Keisuke Takizawa, Hisao Hirabayashi, Masakazu Ikeda
-
Publication number: 20250112376Abstract: A transmission device for transmitting an electromagnetic wave includes a first transmission member having a first transmission path and a second transmission member having a second transmission path. The first transmission path is a passage that has an opening on one surface of the first transmission member. The first transmission member and the second transmission member are disposed in such a manner that the second transmission path faces the one surface of the first transmission member with a gap between the second transmission member and the one surface of the first transmission member. The first transmission member has at least one recessed portion that has an opening at a location away from the first transmission path on the one surface.Type: ApplicationFiled: August 2, 2024Publication date: April 3, 2025Inventors: Yusuke ISONO, Masakazu IKEDA, Takahiro KATO
-
Publication number: 20250105484Abstract: A waveguide includes a first waveguide having a first waveguide hole and a second waveguide having a second waveguide hole and assembled to the first waveguide with a predetermined gap therebetween. The second waveguide hole has an opening on one surface of the second waveguide facing the first waveguide, and the opening has a rounded polygonal shape or a circular shape. The second waveguide includes a resin molded product and a metal coating film covering the resin molded product, and the second waveguide has a choke groove around the second waveguide hole. The choke groove has such a shape that a length between a wall surface of the second waveguide hole and an inner wall surface of the choke groove adjacent to the second waveguide hole is constant along a circumferential direction of the second waveguide hole.Type: ApplicationFiled: August 2, 2024Publication date: March 27, 2025Inventors: Masakazu IKEDA, Takahiro KATO
-
Patent number: 12261379Abstract: An antenna device includes a ground plate and an antenna element. The ground plate is a conductor member with a flat rectangular shape. The antenna element is a conductor member having a feed point electrically connected to a feeder line. A length of the ground plate in a predetermined direction is shorter than a target wavelength that is a wavelength of a radio wave to be transmitted or received. The ground plate is connected to a grounding cable at a connection position on the ground plate. The connection position is shifted from an edge of the ground plate by an odd multiple of ΒΌ of the target wavelength.Type: GrantFiled: November 28, 2022Date of Patent: March 25, 2025Assignee: DENSO CORPORATIONInventors: Yuuji Kakuya, Masakazu Ikeda, Kenichirou Sanji, Tomokazu Miyashita, Ryozou Fujii
-
Patent number: 12237726Abstract: A plurality of plate-like magnets are positioned in a radial direction and an axial direction and are arranged at a predetermined interval to an inner circumferential surface of a rotor yoke, and a first adhesive is cured, thus forming each partition part that partitions the plate-like magnets from each other and partially bonding the plate-like magnets at a first bonding part, and a second adhesive is cured, thus bonding and fixing the plate-like magnets at a second bonding part while the plurality of plate-like magnets are partitioned from each other at a predetermined interval in a circumferential direction by the partition part.Type: GrantFiled: January 22, 2021Date of Patent: February 25, 2025Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventors: Keisuke Takizawa, Hisao Hirabayashi, Masakazu Ikeda
-
Patent number: 12183973Abstract: An antenna device includes a ground plate which is a flat plate-shaped conductor member, an opposing conductive plate which is a flat plate-shaped conductor member installed at a predetermined distance from the ground plate and is electrically connected to a power supply line, and a plurality of short-circuit pins for electrically connecting the opposing conductive plate and the ground plate. One end of a plurality of short-circuit pins extends to a conductive plate plane, which is a plane including the opposing conductive plate, and the other end of the plurality of short-circuit pins extends to the ground plate plane, which is a plane including the ground plate. One or more of the plurality of short-circuit pins connect the opposing conductive plate and the ground plate.Type: GrantFiled: October 24, 2022Date of Patent: December 31, 2024Assignee: DENSO CORPORATIONInventors: Yuuji Kakuya, Masakazu Ikeda, Kenichirou Sanji, Tomokazu Miyashita, Ryozou Fujii, Masashi Urabe, Hiromichi Naitoh
-
Patent number: 12142852Abstract: An antenna device includes: a ground plate; an opposing conductive plate provided with a power supply point installed at a predetermined distance from the ground plate; and a short-circuit portion provided in a central region of the opposing conductive plate and electrically connecting the opposing conductive plate and the ground plate. A parallel resonance at a predetermined target frequency is generated by an inductance provided in the short-circuit portion and a capacitance between the ground plate and the opposing conductive plate; and the ground plate is arranged asymmetrically with respect to the opposing conductive plate.Type: GrantFiled: September 20, 2021Date of Patent: November 12, 2024Assignees: DENSO CORPORATION, SOKEN, INC.Inventors: Masakazu Ikeda, Yuuji Kakuya, Kenichiro Sanji, Nobuyasu Okabe
-
Patent number: 12080961Abstract: An antenna device includes: a first antenna having a directional gain at a low elevation angle higher than the directional gain at a high elevation angle; a second antenna having the directional gain at the high elevation angle higher than the first antenna, transmitting and receiving a radio wave having a vibration direction of an electric field intersecting with a radio wave transmitted and received by the first antenna; and a third antenna having the directional gain at the high elevation angle higher than the first antenna, and transmitting and receiving a radio wave having a vibration direction of an electric field intersecting with the radio wave transmitted and received by the second antenna.Type: GrantFiled: November 7, 2022Date of Patent: September 3, 2024Assignee: DENSO CORPORATIONInventors: Youhei Sekiya, Yuzi Sugimoto, Masakazu Ikeda, Yuuji Kakuya, Ryuichi Arai, Shirou Koide, Takuya Yamashita, Hiroyuki Izumi
-
Publication number: 20240279136Abstract: A hydrocarbon production apparatus includes a reverse shift reaction unit obtaining a synthesis gas by using carbon dioxide and hydrogen, a hydrocarbon production unit producing a hydrocarbon by using the synthesis gas, a gas-liquid separation unit separating a gas component containing hydrogen, carbon dioxide, and a light hydrocarbon and a liquid component containing a hydrocarbon from an effluent from the hydrocarbon production unit, a first separation unit separating hydrogen and carbon dioxide, and a light hydrocarbon from the gas component, and a catalytic reaction unit generating hydrogen and carbon monoxide by using the light hydrocarbon separated by the first separation unit. The reverse shift reaction unit also uses the hydrogen and carbon dioxide separated by the first separation unit. The hydrocarbon production unit also uses the hydrogen and carbon monoxide generated by the catalytic reaction unit.Type: ApplicationFiled: June 3, 2022Publication date: August 22, 2024Applicant: ENEOS CorporationInventor: Masakazu IKEDA
-
Publication number: 20240271045Abstract: A hydrocarbon production apparatus includes a synthesis gas production unit structured to produce a synthesis gas containing carbon monoxide and hydrogen by using carbon dioxide and hydrogen, a hydrocarbon production unit structured to produce a hydrocarbon by using the synthesis gas, and a first separator structured to separate a recycle gas containing a light hydrocarbon having 4 or less carbon atoms from an effluent from the hydrocarbon production unit. The synthesis gas production unit is structured to receive supply of the recycle gas and also use the recycle gas for production of the synthesis gas.Type: ApplicationFiled: April 18, 2022Publication date: August 15, 2024Applicant: ENEOS CorporationInventors: Atsushi KOBAYASHI, Masakazu IKEDA, Yasushi SATO, Akira GOTO, Takuya KAJITA, Satoshi TAKASAKI, Ryo KISHIDA, Kazuya MAYUMI, Satoshi NAGATAKE
-
Patent number: 12013476Abstract: A positioning system executes wireless communication with a portable terminal by adopting a radio wave of 1 GHz or higher to determine a position of the portable terminal relative to a vehicle. The positioning system includes a vehicle exterior communication device and a positioning device. The positioning device determines whether the portable terminal exists at an exterior operating area being a region outside a vehicle compartment within a predetermined operating distance from the vehicle, based on a reception status of the wireless signal received by the vehicle exterior communication device from the portable terminal in a first mode of the vehicle exterior communication device, and determines whether the portable terminal exists inside the vehicle compartment, based on the reception status of the wireless signal received by the vehicle exterior communication device from the portable terminal in a second mode of the vehicle exterior communication device.Type: GrantFiled: October 22, 2021Date of Patent: June 18, 2024Assignee: DENSO CORPORATIONInventors: Kenichirou Sanji, Nobuyasu Okabe, Masakazu Ikeda, Yuuji Kakuya
-
Patent number: 12009609Abstract: An antenna device includes: a ground plate made of a conductor with a flat plate shape; an opposing conductive plate made of another conductor with a flat plate shape, arranged to space apart from the ground plate by a predetermined distance, and having a power supply point electrically connected to a power supply line; a short-circuit portion electrically connecting the opposing conductive plate and the ground plate; and a radio wave shield body for shielding a propagation of an electric field, which is arranged on an upper side of the opposing conductive plate and is made of a conductor or a dielectric material. Parallel resonance at a predetermined target frequency is generated by an inductance provided in the short-circuit portion and a capacitance between the ground plate and the opposing conductive plate.Type: GrantFiled: September 24, 2021Date of Patent: June 11, 2024Assignees: DENSO CORPORATION, SOKEN, INC.Inventors: Masakazu Ikeda, Yuuji Kakuya, Kenichiro Sanji, Nobuyasu Okabe, Hiroyuki Izumi
-
Publication number: 20230357647Abstract: A hydrocarbon production method includes: a hydrogen extraction step of extracting hydrogen from an organic hydride by a dehydrogenation reaction; and a hydrocarbon production step of producing a hydrocarbon by a reaction by a Fischer-Tropsch (FT) process using the extracted hydrogen and carbon monoxide. In addition, in the hydrogen extraction step, reaction heat generated in the hydrocarbon production step is used.Type: ApplicationFiled: September 15, 2021Publication date: November 9, 2023Applicant: ENEOS CorporationInventors: Yasushi HASHIMOTO, Masakazu IKEDA, Yukihiro SUGIURA, Atsushi KOBAYASHI, Takuya KAJITA
-
Publication number: 20230335907Abstract: A wireless communication device for transmitting and receiving radio waves of a target frequency includes a ground plate having a rectangular shape, a zeroth-order resonant antenna element arranged at a position shifted from a center of the ground plate in a lengthwise direction of the ground plate, and a circuit module configured to transmit and receive signal via the zeroth-order resonant antenna element. The zeroth-order resonant antenna element includes a counter conductor plate arranged at a predetermined distance from the ground plate and having a feed point connected to a feedline, and a short circuit portion electrically connecting the counter conductor plate and the ground plate. The ground plate, the counter conductor plate and the short circuit portion are configured to cause parallel resonance at the target frequency and satisfy a condition that resonance caused by the ground plate is reduced.Type: ApplicationFiled: June 20, 2023Publication date: October 19, 2023Inventors: Yuuji KAKUYA, Masakazu IKEDA, Kenichiro SANJI, Tomokazu MIYASHITA, Ryozo FUJII, Masashi URABE, Hiromichi NAITO
-
Patent number: 11718841Abstract: Provided is a method for improving the production amount of a tri- or higher galactooligosaccharide and the reaction rate by a method for producing a galactooligosaccharide characterized by allowing ?-galactosidase to react with a substrate in the presence of 5 to 60 mM sodium ions and 0.5 to 8 mM magnesium ions.Type: GrantFiled: December 22, 2021Date of Patent: August 8, 2023Assignee: KABUSHIKI KAISHA YAKULT HONSHAInventors: Masakazu Ikeda, Masahiko Ito
-
Publication number: 20230198802Abstract: A frame is divided, and is then transferred on a communication protocol having a different frame size. Provided is a vehicle control device configured to transfer data through a first communication path for transferring data having a low priority and a second communication path for transferring data having a high priority, the second communication path having a transfer speed different from that of the first communication path. First transfer data transferable on the first communication path has a data size different from that of second transfer data transferrable on the second communication path. The second communication path allows at least two types of transfer data to be transmitted and received thereon.Type: ApplicationFiled: September 8, 2020Publication date: June 22, 2023Inventor: Masakazu IKEDA