Patents by Inventor Mitsuaki Kato
Mitsuaki Kato 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: 11975298Abstract: According to one embodiment, a fluid controller includes a fluid channel deforming portion and a mixing portion provided downstream from the fluid channel deforming portion. The fluid channel deforming portion includes an upstream end portion, a first channel, a second channel and a channel terminating portion. At least one of the first and second channels is deformed between the upstream end portion and the channel terminating portion. A region of the second channel in a second cross-section, is increased more than a region of the second channel in the first cross-section, between the upstream end portion ad the channel terminating portion. The mixing portion mixes a plurality of fluids flowing through the fluid channel deforming portion.Type: GrantFiled: February 26, 2021Date of Patent: May 7, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Mitsuaki Kato, Masato Akita, Hideaki Okano
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Patent number: 11840058Abstract: A printing parameter acquisition device includes an acquisition section and an output section. The acquisition section acquires a printing condition for specifying a member to be used when solder is printed on a board. The output section outputs a printing parameter which is associated with a printing condition corresponding to a printing condition acquired by the acquisition section and of which a reliability is a predetermined level or more, from a database that stores the printing condition, a printing parameter used for controlling driving of a printer, and the reliability of the printing parameter including inspection information on a print state of the solder inspected by a printing inspector in association with each other.Type: GrantFiled: October 17, 2019Date of Patent: December 12, 2023Assignee: FUJI CORPORATIONInventor: Mitsuaki Kato
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Patent number: 11794466Abstract: A printing parameter acquisition device includes an acquisition section and an output section. The acquisition section acquires a printing condition for specifying a member to be used when solder is printed on a board. The output section outputs, from a database that stores the printing condition, a printing parameter used for controlling driving of a printer, and a reliability of the printing parameter in association with each other, the printing parameter which is associated with the printing condition corresponding to the printing condition acquired by the acquisition section and of which the reliability is a predetermined level or more.Type: GrantFiled: April 26, 2019Date of Patent: October 24, 2023Assignee: FUJI CORPORATIONInventor: Mitsuaki Kato
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Publication number: 20230330618Abstract: According to one embodiment, a flow channel structure may include a first flow channel, and a second flow channel that joins the first flow channel. An end of the second flow channel close to the first flow channel has a first region having a depth shallower than a depth of the first flow channel.Type: ApplicationFiled: March 13, 2023Publication date: October 19, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Kumi MASUNAGA, Masato AKITA, Mitsuaki KATO, Mitsuko ISHIHARA
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Publication number: 20230115630Abstract: A printing control device includes a determination section, a first printing control section, a movement controller, and a second printing control section. When the determination section determines that an elapsed time in which no board is convey exceeds an allowable time, the first printing control section causes the printer to execute the printing process for a first time on a first board which is conveyed in since the determination is made. The movement controller separates the mask and the board from each other after the first printing control section executes the printing process for the first time and brings the mask and the board into abutment with each other again after the separation. The second printing control section causes the printer to execute the printing process for a second time on the board after the movement controller brings the mask and the board into abutment with each other again.Type: ApplicationFiled: March 31, 2020Publication date: April 13, 2023Applicant: FUJI CORPORATIONInventors: Mitsuaki KATO, Naoya NIIMI
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Patent number: 11416655Abstract: An analysis mesh generation method is used for a modeling simulation of an article modeled according to a tool path. The method comprises: inputting the tool path for a product to be analyzed; defining an initial mesh that is made up of a number of microelements and encompasses the tool path; and determining overlap between the tool path and the microelements, removing non-overlapping microelements from the initial mesh, and storing an association of the tool path with overlapping microelements.Type: GrantFiled: March 9, 2018Date of Patent: August 16, 2022Assignee: TORAY ENGINEERING CO., LTD.Inventor: Mitsuaki Kato
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Publication number: 20220176689Abstract: A printing parameter acquisition device includes an acquisition section and an output section. The acquisition section acquires a printing condition for specifying a member to be used when solder is printed on a board. The output section outputs a printing parameter which is associated with a printing condition corresponding to a printing condition acquired by the acquisition section and of which a reliability is a predetermined level or more, from a database that stores the printing condition, a printing parameter used for controlling driving of a printer, and the reliability of the printing parameter including inspection information on a print state of the solder inspected by a printing inspector in association with each other.Type: ApplicationFiled: October 17, 2019Publication date: June 9, 2022Applicant: FUJI CORPORATIONInventor: Mitsuaki KATO
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Publication number: 20220161544Abstract: A printing parameter acquisition device includes an acquisition section and an output section. The acquisition section acquires a printing condition for specifying a member to be used when solder is printed on a board. The output section outputs, from a database that stores the printing condition, a printing parameter used for controlling driving of a printer, and a reliability of the printing parameter in association with each other, the printing parameter which is associated with the printing condition corresponding to the printing condition acquired by the acquisition section and of which the reliability is a predetermined level or more.Type: ApplicationFiled: April 26, 2019Publication date: May 26, 2022Applicant: FUJI CORPORATIONInventor: Mitsuaki KATO
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Publication number: 20220080369Abstract: According to one embodiment, a fluid controller includes a fluid channel deforming portion and a mixing portion provided downstream from the fluid channel deforming portion. The fluid channel deforming portion includes an upstream end portion, a first channel, a second channel and a channel terminating portion. At least one of the first and second channels is deformed between the upstream end portion and the channel terminating portion. A region of the second channel in a second cross-section, is increased more than a region of the second channel in the first cross-section, between the upstream end portion ad the channel terminating portion. The mixing portion mixes a plurality of fluids flowing through the fluid channel deforming portion.Type: ApplicationFiled: February 26, 2021Publication date: March 17, 2022Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Mitsuaki KATO, Masato AKITA, Hideaki OKANO
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Patent number: 11203198Abstract: A printing apparatus of the present disclosure is for performing printing of a viscous fluid onto a print target using a screen mask, the printing apparatus including: a moving section configured to perform at least one of moving an exchangeable member to an exchange position or loading and unloading of the exchangeable member, for at least two types of the exchangeable member that, out of a cartridge configured to house the viscous fluid, a squeegee, a screen mask, a cleaning member used to clean the screen mask, and a support member configured to fix the print target, include at least one out of the cartridge, the squeegee, and the cleaning member; and an exchange control section configured to control the moving section to perform exchange processing of exchanging the exchangeable member.Type: GrantFiled: December 5, 2016Date of Patent: December 21, 2021Assignee: FUJI CORPORATIONInventors: Ritsuo Hirukawa, Takeshi Kondo, Mitsuaki Kato, Atsushi Torii, Jun Iisaka
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Patent number: 11198287Abstract: A screen printing machine for appropriately contact between a mask and a board, comprising: a mask-holding device configured to hold a mask; a board-positioning device configured to hold a board and to position the held board with respect to a mask held by the mask-holding device from below; a squeegee device configured to spread a cream solder with respect to the mask; a height-measuring device configured to measure the height of the mask and the board; a control device configured to control each device, and to calculate the thickness of a mask lower layer, integrally formed with the mask, based on the measurement values obtained from the height-measuring device; and an operation display device configured to input operation and to display calculation values from the control device, and the like.Type: GrantFiled: September 7, 2017Date of Patent: December 14, 2021Assignee: FUJI CORPORATIONInventor: Mitsuaki Kato
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Patent number: 11167544Abstract: A screen printer comprising: a board positioning device configured to convey and hold a board to a work position in the screen printer; a mask holding device configured to hold a mask above the work position; a squeegee device configured to spread a cream solder on a mask on the board; a correction device configured to correct a relative position between the board of the board positioning device and the mask of the mask holding device; a control device configured to acquire inspection data of a print state from a print inspection device provided inside or outside the screen printer and perform correction control on the correction device by a correction value corrected according to a deviation amount of printing based on the inspection data; and an input device configured to include an instruction input section that senses an inspection instruction operation of an operator and transmit, to the control device, an inspection data acquisition signal for acquiring the inspection data of the print state from the prType: GrantFiled: January 6, 2017Date of Patent: November 9, 2021Assignee: FUJI CORPORATIONInventor: Mitsuaki Kato
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Patent number: 11156654Abstract: A semiconductor device inspection apparatus according to embodiments comprises: an action unit that generates an internal stress in a predetermined direction in a semiconductor device; a stress controller that controls a magnitude of the internal stress generated in the semiconductor device by the action unit; a probe electrically connected to the semiconductor device; a probe controller that supplies a current to the semiconductor device via the probe; and a controller that screens the semiconductor device based on a first current flowing through the semiconductor device via the probe while the internal stress is not generated in the semiconductor device and a second current flowing through the semiconductor device via the probe while the action unit generates the internal stress in the semiconductor device.Type: GrantFiled: March 5, 2018Date of Patent: October 26, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Akihiro Goryu, Mitsuaki Kato, Akira Kano, Kenji Hirohata
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Publication number: 20210293638Abstract: An analysis apparatus of an embodiment includes one or more processors. The processors receive structural information indicating a structure of a pipe to be analyzed and fluid information indicating a state of a fluid flowing in the pipe. The one or more processors obtain a plurality of loss factors of the pipe based on the structural information and the fluid information and calculate a wall shear stress of the pipe from the loss factors.Type: ApplicationFiled: August 27, 2020Publication date: September 23, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, CANON MEDICAL SYSTEMS CORPORATIONInventors: Mitsuaki KATO, Kenji HIROHATA, Akira KANO, Akihiro GORYU
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Publication number: 20210296279Abstract: A semiconductor device 10 includes a pair of electrodes 16 and a conductive connection member 21 electrically bonded to the pair of electrodes 16. At least a portion of a perimeter of a bonding surface 24 of at least one of the pair of electrodes 16 and the conductive connection member 21 includes an electromigration reducing area 22.Type: ApplicationFiled: August 28, 2020Publication date: September 23, 2021Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Mitsuaki KATO, Takahiro OMORI, Akihiro GORYU, Tomoya FUMIKURA, Kenji HIROHATA, Tetsuya KUGIMIYA
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Patent number: 11079427Abstract: An inspection device comprises: a detecting unit that is connected to a plurality of semiconductor chips having mutually different rates of change of electrical resistance with respect to stress loading direction, and that detects an electrical resistance value of each semiconductor chip from electric current flowing in each semiconductor chip; a first memory unit that is used to hold model data meant for converting an electrical resistance value into a characteristic value indicating at least either temperature, or stress, or strain; a converting unit that converts the electrical resistance value of each semiconductor chip as detected by the detecting unit into the characteristic value using the model data held in the first memory unit; and a second memory unit that is used to store the characteristic value, which is obtained by conversion by the converting unit, as time-series data for each of the plurality of semiconductor chips.Type: GrantFiled: August 30, 2018Date of Patent: August 3, 2021Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Mitsuaki Kato, Akihiro Goryu, Kenji Hirohata
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Patent number: 11007768Abstract: A printing device including a conveyance rod which discharges and introduces a screen mask and a board support member; and a control section. The control section performs a mask exchange process including a mask discharge process of discharging the screen mask to be discharged and a mask introduction process of introducing the screen mask to be introduced by controlling a conveyance rod. In addition, the control section performs a support member exchange process including a support member discharge process of discharging the board support member to be discharged and a support member introduction process of introducing the support member to be introduced by controlling the conveyance rod.Type: GrantFiled: February 20, 2020Date of Patent: May 18, 2021Assignee: FUJI CORPORATIONInventors: Ritsuo Hirukawa, Yasunori Kamegai, Takeshi Kondo, Mitsuaki Kato, Tsuyoshi Mizukoshi, Atsushi Torii, Jun Iisaka, Kazuhiro Kusunoki
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Publication number: 20210110087Abstract: An analysis mesh generation method is used for a modeling simulation of an article modeled according to a tool path. The method comprises: inputting the tool path for a product to be analyzed; defining an initial mesh that is made up of a number of microelements and encompasses the tool path; and determining overlap between the tool path and the microelements, removing non-overlapping microelements from the initial mesh, and storing an association of the tool path with overlapping microelements.Type: ApplicationFiled: March 9, 2018Publication date: April 15, 2021Inventor: Mitsuaki KATO
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Patent number: 10889101Abstract: A screen printer including a squeegee device to spread from above solder paste on a stencil; a clamp device to grip a board conveyed to a position below the stencil by a board conveyance member that is flat and provided with a board holding portion in a central opening portion, the clamp device gripping the board via the board conveyance member; a board supporting device to support the board from below and move the board in a vertical direction inside the clamp device; and a raising and lowering device to move the board supported inside the clamp device in the vertical direction and position the board at a printing position, and the clamp device is provided with a board printing guide member to be removably attached to an upper end of a pair of clamp members to sandwich the board conveyance member in a widthwise direction.Type: GrantFiled: October 13, 2016Date of Patent: January 12, 2021Assignee: FUJI CORPORATIONInventors: Mitsuaki Kato, Yoshimune Yokoi
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Patent number: 10856458Abstract: A first conveyor belt and second conveyor belt are disposed on guide rail which is disposed so as to extend in a circuit substrate conveyance direction. Then, the circuit substrate supported by both the conveyor belts of the first conveyor belt and the second conveyor belt is held by substrate holding device, and work is performed on the held circuit substrate. In the transfer device having such a structure, for example, when the circuit substrate on which an operation has been completed is conveyed out by the second conveyor belt, a new circuit substrate is conveyed into the transfer device by the first conveyor belt. In this way, it is possible to perform printing work on a new circuit substrate at an early stage and shorten a cycle time.Type: GrantFiled: December 15, 2016Date of Patent: December 1, 2020Assignee: FUJI CORPORATIONInventors: Ritsuo Hirukawa, Takeshi Kondo, Shoji Fukakusa, Mitsuaki Kato, Atsushi Torii, Jun Iisaka