Patents by Inventor Hiroki Fujiwara
Hiroki Fujiwara 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: 11981325Abstract: A control device includes: a retry determination unit configured to determine whether to execute retry control based on a current position of a moving object and a target position when the moving object is moved to the target position by automatic steering; and a notification control unit configured to transmit a retry notification, including information indicating that the retry control is to be executed based on a determination result of the retry determination unit, to a terminal device. The notification control unit transmits the retry notification to the terminal device when the retry control, executed after at least a part of the moving object reaches the target position, is determined, and the notification control unit does not transmit the retry notification to the terminal device when the retry control, executed before at least a part of the moving object reaches the target position, is determined.Type: GrantFiled: December 21, 2022Date of Patent: May 14, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Tatsuro Fujiwara, Akiko Sato, Junpei Noguchi, Gaku Shimamoto, Takeshi Sasajima, Hiroki Takaku, Masafumi Sagara
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Patent number: 11978723Abstract: A 3D IC structure includes multiple die layers, such as a top die layer and a bottom die layer. The top die layer and/or the bottom die layer each includes devices such as computing units, Analog-to-Digital converters, analog circuits, RF circuits, logic circuits, sensors, Input/Output devices, and/or memory devices. The devices on the first and the second die layers are laterally surrounded by, or adjacent, vertical interconnect structures (VIS).Type: GrantFiled: November 30, 2021Date of Patent: May 7, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Tzu-Hsien Yang, Hiroki Noguchi, Hidehiro Fujiwara, Yih Wang
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Publication number: 20240144700Abstract: A moving body control device includes an outside recognition unit configured to acquire recognition data of an outside of a moving body, a reception unit which receives designation of a predetermined parking position from a user of the moving body, and a control unit configured to perform automatic parking control for parking the moving body at the predetermined parking position based on the recognition data of the outside and the predetermined parking position, and register the predetermined parking position as a designated parking position. The control unit is configured to register feature points related to the designated parking position by using a plurality of patterns based on illuminance of the outside calculated from the recognition data of the outside.Type: ApplicationFiled: October 23, 2023Publication date: May 2, 2024Inventors: Hiroyuki Nakashima, Takeshi Sasajima, Hiroki Takaku, Hideki Nagatomo, Tatsuro Fujiwara, Makoto Bessho, Masaya Kato, Jun Adachi, Momoka Akaike, Kazutaka Hayakawa
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Publication number: 20240114781Abstract: The present invention is to provide a photoelectric conversion element with an excellent photoelectric conversion efficiency, an imaging element, an optical sensor, and a compound. The photoelectric conversion element of the present invention includes, in the following order, a conductive film, a photoelectric conversion film, and a transparent conductive film, in which the photoelectric conversion film contains a compound represented by Formula (1).Type: ApplicationFiled: April 26, 2023Publication date: April 4, 2024Applicant: FUJIFILM CorporationInventors: Masaki MORITA, Ryo FUJIWARA, Hiroki SUGIURA, Yasunori YONEKUTA, Hiyoku NAKATA
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Patent number: 11914009Abstract: An NMR apparatus includes a depressurizing device for depressurizing an NMR probe, a gas supply device for supplying gas into the NMR probe to thereby pressurize the NMR probe, and a control device. The control device alternately repeats depressurization of the NMR probe, using the depressurizing device, and pressurization of the NMR probe, using the gas supply device. This replaces the gas in the NMR probe.Type: GrantFiled: August 11, 2022Date of Patent: February 27, 2024Assignees: JEOL Ltd., OSAKA UNIVERSITYInventors: Hiroki Takahashi, Yuki Endo, Toshimichi Fujiwara, Yoh Matsuki
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Patent number: 11824512Abstract: A through hole formed in an AT-cut crystal plate includes an inclined surface (72) that extends from a peripheral area toward a penetrating part (71) in a center part of the through hole. The inclined surface (72) includes: a first crystal surface S1 that extends from the penetrating part (71) toward the peripheral area of the through hole in a ?Z? and a +X directions; a second crystal surface S2 that extends from the penetrating part (71) toward the peripheral area of the through hole in the ?Z? and the +X directions and that contacts with the first crystal surface S1 in the +Z? and the +X directions of the first crystal surface S1; and a third crystal surface S3 that contacts with the second crystal surface S2 in the +X direction of the second crystal surface S2 and that contacts with the main surface of the AT-cut crystal plate.Type: GrantFiled: March 4, 2019Date of Patent: November 21, 2023Assignee: Daishinku CorporationInventor: Hiroki Fujiwara
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Publication number: 20230223970Abstract: In a radio-frequency module, a conductive layer covers a major surface opposite to the mounting board side of a resin layer and a major surface opposite to the mounting board side of an electronic component. The electronic component includes an electronic component body and a plurality of outer electrodes. The electronic component body includes an electrical insulating portion and a conductive portion provided inside the electrical insulating portion, forming at least a portion of a circuit element of the electronic component. The electronic component body has a third major surface and a fourth major surface opposite to each other, and an outer side surface. The third major surface forms the major surface of the electronic component, and the third major surface is in contact with the conductive layer. The plurality of outer electrodes are provided on the fourth major surface, but are not extended over the third major surface.Type: ApplicationFiled: March 14, 2023Publication date: July 13, 2023Inventors: Takanori UEJIMA, Dai NAKAGAWA, Yukiya YAMAGUCHI, Yuji TAKEMATSU, Motoji TSUDA, Mayuka ONO, Hiroki FUJIWARA, Kiyoshi AIKAWA, Takashi YAMADA
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Publication number: 20230071172Abstract: A noise filter includes a plurality of stages of LC filters composed of a plurality of inductors and a plurality of capacitors. Each inductor has a bus bar, and a core member made from a magnetic body and having a tubular shape surrounding the bus bar. A power conversion device includes a power conversion main circuit, and the noise filter. The plurality of inductors are composed of: a specific bus bar, which is a first bus bar having a plate shape on a positive side and connecting an external power supply and the power conversion main circuit, or a second bus bar having a plate shape on a negative side and connecting the external power supply and the power conversion main circuit; and a plurality of core members surrounding the specific bus bar. The plurality of capacitors are provided between the first bus bar and the second bus bar.Type: ApplicationFiled: June 8, 2020Publication date: March 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Hiroki FUJIWARA, Tatsuya KITAMURA
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Publication number: 20220071249Abstract: The present invention provides an extracted and fermented composition of coffee cherry pulp and skin having an increased ?-damascenone content and a method for producing the same. More specifically, in the method for producing an extracted and fermented composition of coffee cherry pulp and skin, a fermentation step using lactic acid bacteria is included.Type: ApplicationFiled: December 27, 2019Publication date: March 10, 2022Applicant: KIRIN HOLDINGS KABUSHIKI KAISHAInventors: Sayaka TSUJI, Hiroki FUJIWARA, Keiko NAKASHIMA
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Publication number: 20220077841Abstract: In a piezoelectric resonator device according to one or more embodiments, an internal space for hermetically sealing a vibrating part including a first excitation electrode and a second excitation electrode of a crystal resonator plate is formed by bonding a first sealing member and a second sealing member respectively to the crystal resonator plate. A through hole is formed in the second sealing member. A through electrode is formed along an inner wall surface of the through hole to establish conduction between an electrode formed on a first main surface and an external electrode terminal formed on a second main surface. A corrosion resistance structure to solder is formed on the through electrode that establishes conduction between the electrode and the external electrode terminal with a conductive metal other than Au.Type: ApplicationFiled: December 19, 2019Publication date: March 10, 2022Applicant: DAISHINKU CORPORATIONInventors: Satoru ISHINO, Hiroki YOSHIOKA, Hiroki FUJIWARA
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Patent number: 11063542Abstract: A motor driving apparatus that drives a motor includes a controller that outputs a driving signal indicating a driving amount of the motor, a driver including a plurality of inverter circuits, each of which supplies an electric current supplied from an external power supply to the motor based on the driving signal outputted from the controller, and first temperature sensors, each of which measures a temperature of a separate one of the plurality of inverter circuits. A first temperature difference is defined as the temperature of one of the inverter circuits minus the temperature of a remaining one of the inverter circuits. The controller, when the first temperature difference is equal to or greater than a predetermined difference value at a specific time point, outputs a driving signal indicating a second driving amount smaller than a first driving amount to the one of the inverter circuits.Type: GrantFiled: April 9, 2018Date of Patent: July 13, 2021Assignee: Nidec CorporationInventors: Tsuyoshi Kadowaki, Hiroki Fujiwara
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Publication number: 20200382096Abstract: A through hole formed in an AT-cut crystal plate includes an inclined surface (72) that extends from a peripheral area toward a penetrating part (71) in a center part of the through hole. The inclined surface (72) includes: a first crystal surface S1 that extends from the penetrating part (71) toward the peripheral area of the through hole in a ?Z? and a +X directions; a second crystal surface S2 that extends from the penetrating part (71) toward the peripheral area of the through hole in the ?Z? and the +X directions and that contacts with the first crystal surface S1 in the +Z? and the +X directions of the first crystal surface S1; and a third crystal surface S3 that contacts with the second crystal surface S2 in the +X direction of the second crystal surface S2 and that contacts with the main surface of the AT-cut crystal plate.Type: ApplicationFiled: March 4, 2019Publication date: December 3, 2020Applicant: Daishinku CorporationInventor: Hiroki FUJIWARA
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Patent number: 10833614Abstract: A motor drive device includes an inverter circuit, a first switching circuit to switch a path between a power supply and the inverter circuit to conduction and interruption, a second switching circuit to switch a path between the inverter circuit and the motor, a current detector to detect a current of the inverter circuit, a controller to, in a case in which a current value of the detected current is not within a predetermined range, output a command voltage which commands switching from the conduction to the interruption, a driver to boost the command voltage input from the controller and output the boosted command voltage to each switching circuit, and a delay circuit disposed between the second switching circuit and the driver to set a timing at which the command voltage is input to the second switching circuit to be later than a timing at which the command voltage is input to the first switching circuit.Type: GrantFiled: December 28, 2017Date of Patent: November 10, 2020Assignee: Nidec CorporationInventors: Hiroki Fujiwara, Yoshihisa Kanno
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Publication number: 20200318686Abstract: A steel material is heated and punched while tension is applied to the steel material (2) in at least one direction along a surface of the steel material between first and second portions of the steel material distant from each other with forming unit posed therebetween. The tension is applied to increase a distance between the first and second portions of the steel material by a length corresponding to an amount by which the distance between the first and second portions of the steel material thermally expands as the steel material is heated to the temperature in the step of heating and punching. The forming unit includes a first die for punching the steel material and a second die facing the first die, the first die or the second die having a forming surface having a concave curved surface.Type: ApplicationFiled: April 24, 2017Publication date: October 8, 2020Applicant: NTN CorporationInventors: Kohei MIZUTA, Chikara OHKI, Hiroki FUJIWARA
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Publication number: 20200055543Abstract: A motor drive apparatus includes a control assembly that controls driving of a motor. The control assembly includes a controller that outputs a drive signal instructing a drive amount of the motor, a drive that supplies electric current, supplied from an external power supply, to the motor based on the drive signal output from the controller, a current detector that detects electric current flowing through the drive unit, and a first temperature detector that detects temperature of the drive unit. The control assembly calculates a heat storage amount stored in the control assembly at a predetermined cycle, and when the calculated heat storage amount is larger than a predetermined threshold, the control assembly outputs the drive signal that instructs a drive amount smaller than the drive amount at the time of calculation.Type: ApplicationFiled: April 9, 2018Publication date: February 20, 2020Inventors: Tsuyoshi KADOWAKI, Hiroki FUJIWARA
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Publication number: 20200059186Abstract: A motor driving apparatus that drives a motor includes a controller that outputs a driving signal indicating a driving amount of the motor, a driver including a plurality of inverter circuits, each of which supplies an electric current supplied from an external power supply to the motor based on the driving signal outputted from the controller, and first temperature sensors, each of which measures a temperature of a separate one of the plurality of inverter circuits. A first temperature difference is defined as the temperature of one of the inverter circuits minus the temperature of a remaining one of the inverter circuits The controller, when the first temperature difference is equal to or greater than a predetermined difference value at a specific time point, outputs a driving signal indicating a second driving amount smaller than a first driving amount to the one of the inverter circuits.Type: ApplicationFiled: April 9, 2018Publication date: February 20, 2020Applicant: Nidec CorporationInventors: Tsuyoshi KADOWAKI, Hiroki FUJIWARA
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Patent number: 10487870Abstract: The present invention provides a foil bearing (10), including: a top foil portion (Tf); and a back foil portion (Bf), which is arranged on a back of the top foil portion (Tf), and is configured to elastically support the top foil portion (Tf), wherein the back foil portion (Bf) includes: an intermediate portion (23) being flat; first projecting portions (21) projecting on a front side of the intermediate portion (23); and second projecting portions (22) projecting on a back side of the intermediate portion (23).Type: GrantFiled: November 16, 2016Date of Patent: November 26, 2019Assignee: NTN CORPORATIONInventors: Masato Yoshino, Hiroki Fujiwara, Mitsuo Kawamura
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Publication number: 20190312536Abstract: A motor drive device includes an inverter circuit, a first switching circuit to switch a path between a power supply and the inverter circuit to conduction and interruption, a second switching circuit to switch a path between the inverter circuit and the motor, a current detector to detect a current of the inverter circuit, a controller to, in a case in which a current value of the detected current is not within a predetermined range, output a command voltage which commands switching from the conduction to the interruption, a driver to boost the command voltage input from the controller and output the boosted command voltage to each switching circuit, and a delay circuit disposed between the second switching circuit and the driver to set a timing at which the command voltage is input to the second switching circuit to be later than a timing at which the command voltage is input to the first switching circuit.Type: ApplicationFiled: December 28, 2017Publication date: October 10, 2019Applicants: Nidec Corporation, Nidec CorporationInventors: Hiroki FUJIWARA, Yoshihisa KANNO
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Patent number: 10436509Abstract: An electrode roll drying device includes a drying oven housing an electrode roll, an outer-side heater configured to heat the electrode roll, an axial-side heater configured to heat the electrode roll, a pressure reducer configured to reduce internal pressure of the drying oven, a sensor configured to detect a temperature of an outermost portion of the electrode roll, and a control unit configured to control operation of the outer-side heater, the axial-side heater, and the pressure reducer. The control unit is configured to operate the outer-side heater and the axial-side heater to heat the electrode roll from the outer-side and winding core side, and, when the temperature of an outermost portion reaches a target temperature, stop operation of the outer-side heater, operate the pressure reducer to reduce the pressure within the drying oven, and carry out the heating by the axial-side heater and the pressure reduction by the pressure reducer.Type: GrantFiled: October 3, 2014Date of Patent: October 8, 2019Assignee: Nissan Motor Co., Ltd.Inventors: Hiroki Fujiwara, Masahiko Sugiyama, Seigo Komatsu, Takeshi Iwata, Keisuke Uekusa
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Patent number: 10428865Abstract: A foil bearing (40) includes foils (42) at a plurality of portions in a rotation direction of a shaft member (11). A top foil portion (Tf) including a bearing surface (S2) is formed in a region including a front end (421) of each of the foils (42), and a back foil portion (Bf) is formed in a region including a rear end (422) of each of the foils (42). A gap (C1) is secured between, of two of the foils adjacent to the foil (42) in a rotation direction (R) and a direction opposite to the rotation direction, the rear end (422) of the foil on the rotation direction side and the front end (421) of the foil on the side opposite to the rotation direction side. A width of the gap (C1) is set to be non-uniform in a direction (N) orthogonal to the rotation direction.Type: GrantFiled: October 26, 2016Date of Patent: October 1, 2019Assignee: NTN CORPORATIONInventors: Masato Yoshino, Hiroki Fujiwara