Patents by Inventor Takuya Hasegawa
Takuya Hasegawa 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: 20240295843Abstract: A fixing device includes an endless belt member, a rotary member, a nip portion forming member and a steering roller. The steering roller is disposed inside the belt member and configured to be swung to control a position of the belt member in a width direction of the belt member. The steering roller includes a lubricant impregnated portion impregnated with a lubricant and contacting an inner peripheral surface of the belt member.Type: ApplicationFiled: February 27, 2024Publication date: September 5, 2024Inventors: KENICHI TANAKA, RIKIYA TAKEMASA, TAKUYA HASEGAWA, TATSUO YASUI, TOMOYUKI KURIYAMA
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Publication number: 20240264297Abstract: A radar device according to one aspect of the present disclosure includes a plurality of transmitting antennas, a plurality of receiving antennas, a first azimuth estimation unit, a second azimuth estimation unit, and a selection unit. The first azimuth estimation unit estimates a first azimuth by coherently processing first received signals received by a virtual array. The second azimuth estimation unit estimates a second azimuth by, between transmissions or receptions, coherently processing second received signals received by an antenna array. The selection unit adopts the first azimuth or the second azimuth depending on the ambient environment and/or the detected situation of the target.Type: ApplicationFiled: February 22, 2024Publication date: August 8, 2024Inventors: Yasuhiro KURONO, Takuya TAKAYAMA, Yutaka HASEGAWA, Masatada HOKIGUCHI
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Patent number: 12045599Abstract: A center device includes an update data storage unit in which new data and new difference data for updating to the new data from old data are stored for, among electronic control units mounted on a vehicle, a target device targeted for data update. The center device generates, using the new data, a first verification value for verifying integrity in the vehicle, and generates, using the new difference data, a second verification value for verifying integrity of the new difference data in the vehicle. The center device generates a package including the new difference data, the first verification values and the second verification values for a plurality of the target devices. The center device generates, using the distribution package, a third verification value for verifying integrity of the distribution package in the vehicle, and transmits the distribution package along with the third verification value to the in-vehicle device.Type: GrantFiled: February 3, 2021Date of Patent: July 23, 2024Assignee: DENSO CORPORATIONInventors: Tomoya Ogawa, Nao Sakurai, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Publication number: 20240094666Abstract: A drive transmission device disclosed. The device has an input gear configured to rotate by a driving force from a driving source; a swing gear configured to rotate by a driving force from the input gear, the swing gear being located at a first position when the input gear is rotated in a forward direction and located at a second position that is different from the first position when the input gear is rotated in a backward direction that is a direction opposite to the forward direction; an output gear configured to separate from the swing gear when the swing gear is located at the first position, and that is in contact with the swing gear to be rotated by rotation of the swing gear when the swing gear is located at the second position; and a shaft portion configured to support the swing gear such that the swing gear is movable between the first position and the second position. The swing gear has a guide hole into which the shaft portion is inserted.Type: ApplicationFiled: August 16, 2023Publication date: March 21, 2024Inventor: TAKUYA HASEGAWA
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Patent number: 11907698Abstract: In a vehicle electronic control system, a vehicle master device is configured to acquire data storage bank information including information for specifying which bank is an active bank and information for specifying software versions of an active bank and an inactive bank from a rewrite target ECU that has a non-volatile memory with a plurality of data storage banks and to transmit the data storage bank information acquired by the data storage bank information acquisition unit to a center device. The center device is configured to select update data compliant to the inactive bank on the basis of the software versions and the active bank specified by the data storage bank information received from the vehicle master device and to transmit a distribution package including the update data selected by the update data selection unit to the vehicle master device.Type: GrantFiled: February 4, 2021Date of Patent: February 20, 2024Assignee: DENSO CORPORATIONInventors: Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Patent number: 11900092Abstract: A center device manages data to be written into electronic control units mounted on a vehicle and includes an update data storage storing update data for a target device being a target of data update among the electronic control units, a vehicle information storage storing, together with type of the vehicle, vehicle related information, and a device related information storage storing update data related information. Based on information stored in the device related information storage and the vehicle information storage, the center device generates specification data including device type, attribute, the update data related information of the target device, and information indicating rewrite environment related to the data update of the target device, and generates a distribution package including the update data and the specification data.Type: GrantFiled: February 3, 2021Date of Patent: February 13, 2024Assignee: DENSO CORPORATIONInventors: Nao Sakurai, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Patent number: 11886857Abstract: In an ECU reprogram data DB of a center device, data of an update program for a target ECU for a program update among a plurality of EUCs mounted in a vehicle is stored. In a configuration information DB, an “ECU ID” corresponding to each ECU and vehicle-related information such as an “ECU SW ID” for each application program stored in the ECU are stored along with the vehicle type. An ECU metadata database stores update data-related information pertaining to update data and attributes of the rewrite target ECU. A specification data generation unit generates specification data, based on the information stored in the configuration information database and the information stored in the ECU metadata database, to be transmitted to the vehicle together with update data to be written in the target ECU such that the data includes information related to the type, attributes, and update data for the target ECU and information indicative of a rewrite environment related to the data update.Type: GrantFiled: February 5, 2021Date of Patent: January 30, 2024Assignee: DENSO CORPORATIONInventors: Nao Sakurai, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Publication number: 20230393367Abstract: A lens barrel includes a lens drive unit that moves a lens holder holding a lens in an optical axis direction, a locking mechanism that regulates movement of the lens holder at a movable end of the lens holder, and a control unit that performs, as a shift process for shifting the lens holder to a movement regulated state produced by the locking mechanism, control for moving the lens holder by using the lens drive unit to a position where movement regulation is achieved by the locking mechanism in a state where movement regulating force generated by the locking mechanism is reduced.Type: ApplicationFiled: October 22, 2021Publication date: December 7, 2023Inventors: SYOHEI UCHIDA, TAKUYA HASEGAWA, MASAYUKI MIYAZAWA, NOBUHIRO KONDO, MASAYUKI MIYAZAKI, TETSU TANAKA, DAIKI KONDO
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Publication number: 20230377383Abstract: An electronic control device includes: a data extraction unit that extracts data from a data frame conforming to a predetermined communication protocol; a vehicle information generation unit that generates vehicle information based on the data extracted by the data extraction unit; a vehicle information storage unit that stores the vehicle information generated by the vehicle information generation unit; and a vehicle information provision unit that provides the vehicle information stored by the vehicle information storage unit to one of the applications as a request source that requests the vehicle information to be provided.Type: ApplicationFiled: May 15, 2023Publication date: November 23, 2023Inventors: Takanari MAKITA, Daishi MIYATA, Takuya HASEGAWA, Ryo MIZUNO, Ryota ARAI, Takashi HOSOI
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Publication number: 20230361292Abstract: According to one embodiment, an electrode includes an active material-containing layer including single particles of an active material represented by a following formula (1) and a conductive agent. In a cumulative distribution of circularity of unit particles which include the single particles and the conductive agent, an average circularity at 25% in the cumulative distribution is 0.05 to 0.60, and an average circularity at 90% in the cumulative distribution is 0.3 to 0.85. A porosity of the active material-containing layer is 10% to 25%: LiaNi (1-b-c-d) CObMncMdaO2 (1), where 1 ? a ? 1.2, 0 ? b ? 0.4, 0 ? c ? 0.4, 0 ? d ? 0.1, and M is one or more elements selected from the group consisting of Fe, Cu, Ti, Mg, Al, W, Y, B, Mo, Nb, Zn, Sn, Zr, Ga, and V.Type: ApplicationFiled: June 21, 2023Publication date: November 9, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takuya HASEGAWA, Natsuki OTANI, Naoki NISHIO
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Publication number: 20230361269Abstract: According to one embodiment, provided is an electrode including an active material-containing layer. The active material-containing layer contains composite material particles that include active material particles containing a lithium nickel cobalt manganese composite oxide, an electro-conductive agent, and a binder. A strength ratio A/B of a breaking strength A of the composite material particles to a breaking strength B of the active material particles is within a range of 0.01 to 0.1. A density of the active material-containing layer is within a range of 3.2 g/cm3 to 3.8 g/cm3.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Natsuki OTANI, Takuya HASEGAWA
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Publication number: 20230352682Abstract: According to one embodiment, there is provided a nonaqueous electrolyte battery. A positive electrode includes a lithium nickel cobalt manganese composite oxide represented by LixNi1-y-zCoyMnzO2; 0<x?1.2, 0<y<1, 0<z<1, and 0<y+z<1 as a positive electrode active material. A negative electrode includes a negative electrode active material which reacts at a potential higher than a Li reaction potential by 0.5 V or more. The nonaqueous electrolyte battery satisfies following formulas (1) and (2): 3?A/B?15??(1) 1.2?a/b?2.4??(2).Type: ApplicationFiled: July 13, 2023Publication date: November 2, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Natsuki OTANI, Naoki NISHIO, Takuya HASEGAWA, Ryo HARA
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Publication number: 20230286823Abstract: An object of the invention is to provide titanium dioxide coloring particles capable of developing colors other than red and yellow while maintaining non-toxicity of titanium dioxide and a titanium dioxide particle mixture containing the titanium dioxide coloring particles, and to provide a method capable of producing the titanium dioxide coloring particles exhibiting the excellent properties by a simple process with a small environmental load. The invention relates to titanium dioxide coloring particles having a brookite type or rutile type crystal structure and co-doped with at least nitrogen and boron, a titanium dioxide particle mixture containing the titanium dioxide coloring particles, and a method for producing the titanium dioxide coloring particles in which a hydrothermal reaction of titanium diboride is caused in presence of an acid or urea, and then a nitriding treatment is performed in an ammonia gas atmosphere or by mixing with urea or carbon nitride.Type: ApplicationFiled: July 30, 2021Publication date: September 14, 2023Applicant: TOHOKU UNIVERSITYInventors: Shu YIN, Jingdi CAO, Yusuke ASAKURA, Takuya HASEGAWA
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Patent number: 11740573Abstract: A fixing device includes a first rotatable member with a heater, a second rotatable member contacting the first rotatable member and forming a fixing nip, a pressing unit pressing the first rotatable member to the second rotatable member in a pressing direction, a pair of side boards disposed with a space in the widthwise direction, and first, second and third stays supporting the pair of side boards. The first stay is provided upstream of a center of the fixing nip in the pressing direction and upstream of the center in a feeding direction of a recording material. The second stay is provided upstream of the center in the pressing direction and downstream of the center in the feeding direction. The third stay is provided downstream of the center in the pressing direction and at least one of upstream and downstream of the center in the feeding direction.Type: GrantFiled: December 7, 2021Date of Patent: August 29, 2023Assignee: Canon Kabushiki KaishaInventors: Koji Takematsu, Tatsuo Yasui, Keiichi Mizukami, Takuya Hasegawa, Tomoaki Tanto, Kazuki Tada
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Patent number: 11733992Abstract: A center device is provided that manages data to be written to electronic control units mounted on a vehicle. The center device includes an update data storage unit that stores update data for a data update target device among the electronic control units. The center device distributes the update data to the vehicle. The center device includes an individual vehicle configuration information storage unit that stores identification information of target vehicles targeted for update using the update data, and update status information regarding update completion status and update-in-progress status acquired as update status from target vehicles. The center device manages the update status information of the target vehicles in a statistically tabulatable manner on basis of the update status information.Type: GrantFiled: February 3, 2021Date of Patent: August 22, 2023Assignee: DENSO CORPORATIONInventors: Tomoya Ogawa, Taiji Abe, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Patent number: 11693645Abstract: When configuration information regarding configurations of respective devices are received from electronic control units, the in-vehicle device generates a hash value based on data values of the configuration information, and transmits the hash value to a center device. The center device compares the hash value received from the in-vehicle device with a hash value of configuration information of the vehicle stored in a vehicle-side configuration information storage unit of the center device, and notifies the in-vehicle device of a full data transmission request for transmitting all data values of the configuration information when both of the hash values do not match each other. When the in-vehicle device is notified of the full data transmission request, the in-vehicle device transmits all of the data values of the configuration information to the center device.Type: GrantFiled: February 3, 2021Date of Patent: July 4, 2023Assignee: DENSO CORPORATIONInventors: Nao Sakurai, Shuhei Takahashi, Yuzo Harata, Kazuhiro Uehara, Takuya Hasegawa, Takuya Kawasaki, Kazuaki Hayakawa
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Patent number: 11675297Abstract: A fusing apparatus having a heating rotary member, a pressing rotary member, a flange, a fusing frame, a pressing member, and a plate. The heating rotary member heats a recording medium and includes a heater and a film that rotates. The pressing rotary member rotates to press an outer circumferential surface of the film and performs fusing of a toner image on the recording medium. The flange supports the heater. The fusing frame supports the pressing rotary member and has a positioning hole. The pressing member presses the flange. The plate includes a pressure receiving portion and an insertion portion. The pressure receiving portion is pressed by the pressing member and the insertion portion is inserted into a positioning hole and positioned in a first state. The insertion portion is removed from the positioning hole in a second state where the pressing member further contracts from the first state.Type: GrantFiled: December 2, 2021Date of Patent: June 13, 2023Assignee: Canon Kabushiki KaishaInventors: Tatsuo Yasui, Koji Takematsu, Keiichi Mizukami, Takuya Hasegawa, Tomoaki Tanto, Kazuki Tada
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Patent number: 11611107Abstract: A purpose of the present invention is to provide a lithium ion secondary battery which has further improved life characteristics. The lithium ion secondary battery of the present invention is characterized by comprising a positive electrode comprising a positive electrode active material that operates at 4.5 V or more with respect to lithium, and an electrolyte solution comprising an electrolyte solvent comprising a fluorinated ether, a cyclic sulfonic acid ester and LiN(FSO2)2.Type: GrantFiled: September 12, 2018Date of Patent: March 21, 2023Assignee: NEC CORPORATIONInventor: Takuya Hasegawa
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Publication number: 20230059156Abstract: According to an embodiment, an X-ray imaging device includes an irradiator, an exposure switch device, and a control device. The irradiator irradiates a subject placed on a bed with X-rays. The exposure switch device receives an operation of an operator related to X-ray irradiation. The control device controls the X-ray irradiation based on the X-rays. The exposure switch device includes a switch and an output. The switch is set on the basis of a position of the operator and detects the operation of the operator. The output outputs an operation signal based on the operation of the operator to the control device when the operation of the operator has been detected by the switch.Type: ApplicationFiled: August 16, 2022Publication date: February 23, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Takuya HASEGAWA
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Patent number: 11579865Abstract: A vehicle information communication system includes a center apparatus and a vehicle apparatus that includes a group of electronic control units (ECUs) and that sends vehicle configuration information including configuration information on the group of ECUs mounted in the vehicle to the center apparatus via wireless communications. The center apparatus performs a first determination of whether the vehicle configuration information received from the vehicle apparatus matches approved-configuration information registered in an approved-configuration database, and performs a second determination of whether software update data for at least one ECU of the group of ECUs mounted in the vehicle exists in an update database. When both the first and second determinations are true, the center apparatus sends the software update data for at least one ECU of the group of ECUs mounted in the vehicle to the vehicle apparatus via the wireless communications.Type: GrantFiled: September 27, 2021Date of Patent: February 14, 2023Assignee: DENSO CORPORATIONInventors: Nao Sakurai, Shuhei Takahashi, Kazuaki Hayakawa, Takuya Hasegawa, Yuzo Harata, Kazuhiro Uehara, Takuya Kawasaki