Patents by Inventor Takeshi Tsuchiya
Takeshi Tsuchiya 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: 20250023665Abstract: A computer-readable recording medium having stored therein an information processing program causes an information processing apparatus to execute a processing of generating a first transmission frame and a second transmission frame by duplicating a transmission frame of a data link layer in response to accepting a transmission request for data that is used for process control, transmitting the first transmission frame to a first NIC, transmitting the second transmission frame to a second NIC, transmitting the first transmission frame in the first NIC to a network, and transmitting the second transmission frame in the second NIC to the network.Type: ApplicationFiled: July 9, 2024Publication date: January 16, 2025Inventors: Hayato KAWAMURA, Takeshi OHNO, Masanobu TSUCHIYA
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Patent number: 12186088Abstract: A recording device includes an acquisition unit configured to acquire vital signs through a sensor device having a plurality of electrodes, a recording unit configured to record a bipolar potential of a main channel which is defined by combining the plurality of electrodes, using the vital signs, an addition unit configured to add a mark to each waveform plotted based on variation of the bipolar potential over time, at a predetermined position on a time axis, and an adjusting unit configured to adjust a position of the mark added to each waveform. The adjusting unit is configured to adjust the position of the mark added to the bipolar potential of the main channel, based on bipolar potentials of reference channels including electrodes included in the main channel.Type: GrantFiled: January 14, 2020Date of Patent: January 7, 2025Assignees: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATIONInventors: Takashi Ashihara, Koji Takizawa, Takeshi Tsuchiya
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Patent number: 12135032Abstract: A screw compressor for compressing a working medium sucked through a suction opening and discharging the compressed working medium through a delivery opening, wherein the screw compressor includes: a male rotor and a female rotor that rotate while meshing with each other; a casing that houses the male rotor and the female rotor and is provided with a bore which forms a working chamber designed, together with the male rotor and the female rotor, to compress the working medium; a drive unit that rotationally drives at least one of the male rotor and the female rotor; a working chamber closing unit that forms a suction port for sucking the working medium into the working chamber and closes the working chamber when the working chamber reaches a specified capacity; and a suction space that connects the suction opening and the suction port to allow communication therebetween.Type: GrantFiled: March 28, 2022Date of Patent: November 5, 2024Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Tsuchiya, Kotaro Chiba, Shuhei Nagata, Shigeyuki Yorikane, Kenji Morita, Yuta Kajie
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Patent number: 12123411Abstract: A liquid-cooled rotary compressor includes a compressor main body having a compression chamber formed by a fixed wall and a rotating wall and compressing gas, and a liquid injection path for injecting a coolant into the compression chamber, and adjusts a discharge flow rate by changing a rotational speed of the rotating wall. The compressor includes a liquid amount adjusting unit that adjusts an amount of the coolant supplied from the liquid injection path to the compressor main body according to a change in the rotational speed of the rotating wall, and a compressed gas supply path that supplies compressed gas to a downstream side of the liquid amount adjusting unit in the liquid injection path. The compressed gas is supplied from the compressed gas supply path to the liquid injection path according to the amount of the coolant supplied to the compressor main body.Type: GrantFiled: March 15, 2023Date of Patent: October 22, 2024Assignee: HITACHI, LTD.Inventors: Nae Hisano, Ryota Iijima, Kotaro Chiba, Takeshi Tsuchiya
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Patent number: 12078172Abstract: A multi-stage screw compressor includes a plurality of stages of compressor bodies that compress a gas in sequence. Each of the stages of compressor bodies has both male and female rotors that are housed revolvably in a casing in a mutually meshing state. The male and female rotors each include a rotor lobe section having a suction-side end face and a discharge-side end face on one end and the other end thereof in the axial direction and having a twisted lobe extending from the suction-side end face to the discharge-side end face. The male and female rotors in a downstream-stage compressor body of at least one certain stage, excluding an upstream-stage compressor body as the first stage, among the plurality of stages of compressor bodies are each configured such that their lead increases from the suction side in the axial direction of the rotor lobe section toward the discharge side.Type: GrantFiled: March 2, 2022Date of Patent: September 3, 2024Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Tsuchiya, Kotaro Chiba, Toshiaki Yabe, Shigeyuki Yorikane
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Patent number: 12064924Abstract: An image processing device includes a control section that causes a display section to display a first screen, and a reception section, the first screen includes a preview screen, and the preview screen includes i. a first preview screen that makes a first formation candidate, which is a formation candidate to be formed on a first forming surface of the three-dimensional object, visible to the user, ii. a second preview screen that makes a second formation candidate, which is the formation candidate to be formed on a second forming surface different from the first forming surface of the three-dimensional object, visible to the user, and iii. a third preview screen that makes a third formation candidate, which is the formation candidate to be formed on a third forming surface different from the first forming surface and the second forming surface of the three-dimensional object, visible to the user.Type: GrantFiled: January 6, 2022Date of Patent: August 20, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Kazumi Yamada, Takeshi Tsuchiya, Tomoyuki Yamada
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Patent number: 12031536Abstract: In a screw compressor, a lobe of a lobe profile of a female rotor includes: a first contour line defining a leading flank; a second contour line defining a trailing flank; and a third contour line defining a lobe tip having both endpoints at which the female has the maximum radius. In the lobe profile, when a first angle formed by two line segments linking a second rotation center as a vertex and both ends of the first contour line, a second angle formed by two line segments linking the second rotation center and both ends of the second contour line, and a third angle formed by two line segments linking the second rotation center and both ends of the third contour line, the third angle is greater on the delivery side in the axial direction, and the first angle is smaller on the delivery side in the axial direction.Type: GrantFiled: October 18, 2021Date of Patent: July 9, 2024Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Tsuchiya, Kotaro Chiba, Tomohiro Komatsu, Shota Tanimoto, Toshiaki Yabe, Shigeyuki Yorikane
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Publication number: 20240183357Abstract: This screw compressor is provided with a screw rotor, a casing accommodating the screw rotor, and a liquid feed mechanism for feeding a liquid into an operating chamber enclosed by the casing, wherein the pitch of the screw rotor changes in the axial direction from a suction end surface toward a discharge end surface.Type: ApplicationFiled: February 9, 2024Publication date: June 6, 2024Inventors: Shota TANIMOTO, Shigeyuki YORIKANE, Tomohiro KOMATSU, Takeshi TSUCHIYA, Kotaro CHIBA
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Publication number: 20240141896Abstract: A multi-stage screw compressor includes a plurality of stages of compressor bodies that compress a gas in sequence, and each stage of the plurality of stages of compressor bodies has both male and female rotors that are housed revolvably in a casing in a mutually meshing state. The male and female rotors each include a rotor lobe section having a suction-side end face and a discharge-side end face on one end and the other end thereof in the axial direction and having a twisted lobe extending from the suction-side end face to the discharge-side end face. The male and female rotors in a downstream-stage compressor body as at least one certain stage, excluding an upstream-stage compressor body as the first stage, among the plurality of stages of compressor bodies are each configured such that their lead increases from the suction side in the axial direction of the rotor lobe section toward the discharge side.Type: ApplicationFiled: March 2, 2022Publication date: May 2, 2024Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Toshiaki YABE, Shigeyuki YORIKANE
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Patent number: 11933300Abstract: This screw compressor is provided with a screw rotor, a casing accommodating the screw rotor, and a liquid feed mechanism for feeding a liquid into an operating chamber enclosed by the casing, wherein the pitch of the screw rotor changes in the axial direction from a suction end surface toward a discharge end surface.Type: GrantFiled: September 10, 2020Date of Patent: March 19, 2024Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.Inventors: Shota Tanimoto, Shigeyuki Yorikane, Tomohiro Komatsu, Takeshi Tsuchiya, Kotaro Chiba
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Patent number: 11922076Abstract: A print control device used to control printing on a three-dimensional workpiece includes an acquisition unit that acquires workpiece information including information about the number of print surfaces of the workpiece, where an image is printed on each of the print surfaces, a controller that displays, on a display device, a print image setting portion for a user to set an image to be printed on each of the print surfaces, and a reception unit that receives an operation by the user via an input device, wherein the controller changes the number of the print image setting portions to be displayed on the display device according to the workpiece information.Type: GrantFiled: January 17, 2023Date of Patent: March 5, 2024Assignee: Seiko Epson CorporationInventor: Takeshi Tsuchiya
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Publication number: 20240068475Abstract: A screw compressor for compressing a working medium sucked through a suction opening and discharging the compressed working medium through a delivery opening, wherein the screw compressor includes: a male rotor and a female rotor that rotate while meshing with each other; a casing that houses the male rotor and the female rotor and is provided with a bore which forms a working chamber designed, together with the male rotor and the female rotor, to compress the working medium; a drive unit that rotationally drives at least one of the male rotor and the female rotor; a working chamber closing unit that forms a suction port for sucking the working medium into the working chamber and closes the working chamber when the working chamber reaches a specified capacity; and a suction space that connects the suction opening and the suction port to allow communication therebetween, wherein an open space that connects the suction opening and the suction port to allow communication therebetween is provided between a shaftType: ApplicationFiled: March 28, 2022Publication date: February 29, 2024Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Shuhei NAGATA, Shigeyuki YORIKANE, Kenji MORITA, Yuta KAJIE
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Patent number: 11873817Abstract: A delivery port of a rotary-screw compressor includes a first opening having a profile configured to interrupt communication with a second working chamber of a suction process that opens only in the axial direction; a second opening connected to the first opening; and a third opening connected to the first and second openings. The profile of the first opening includes a first profile line that forms one of a pair of lateral edges of a lingulate protrusion; a second profile line that forms another one of the pair of the lateral edges of the protrusion; a third profile line that extends toward the reference point along the root circle of the female rotor; and a second connection line that connects the first and second profile lines. The second opening opens into the first opening at the second connection line. The third opening opens into the first groove.Type: GrantFiled: September 10, 2020Date of Patent: January 16, 2024Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Takeshi Tsuchiya, Kotaro Chiba, Masahiko Takano, Shigeyuki Yorikane, Kenji Morita
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Publication number: 20230392598Abstract: In a screw compressor, a lobe profile of cross-sections perpendicular to the axial direction in a female rotor that rotates about a second rotation center changes in the axial direction. One lobe of the lobe profile of the female rotor includes: a first contour line defining a leading flank on a rotation direction side of the female rotor with a lobe bottom as a boundary point; a second contour line defining a trailing flank on an opposite side of the rotation direction; and a third contour line defining a lobe tip having both endpoints at which the female has the maximum radius.Type: ApplicationFiled: October 18, 2021Publication date: December 7, 2023Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Tomohiro KOMATSU, Shota TANIMOTO, Toshiaki YABE, Shigeyuki YORIKANE
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Publication number: 20230383749Abstract: A liquid-cooled rotary compressor includes a compressor main body having a compression chamber formed by a fixed wall and a rotating wall and compressing gas, and a liquid injection path for injecting a coolant into the compression chamber, and adjusts a discharge flow rate by changing a rotational speed of the rotating wall. The compressor includes a liquid amount adjusting unit that adjusts an amount of the coolant supplied from the liquid injection path to the compressor main body according to a change in the rotational speed of the rotating wall, and a compressed gas supply path that supplies compressed gas to a downstream side of the liquid amount adjusting unit in the liquid injection path. The compressed gas is supplied from the compressed gas supply path to the liquid injection path according to the amount of the coolant supplied to the compressor main body.Type: ApplicationFiled: March 15, 2023Publication date: November 30, 2023Inventors: Nae HISANO, Ryota IIJIMA, Kotaro CHIBA, Takeshi TSUCHIYA
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Patent number: 11809766Abstract: An image processing device includes a control section that causes a display section to display a first screen, and a reception section, the first screen includes an operation screen operated by a user, and the operation screen includes i. a first individual selection screen as an individual selection screen for the user to individually select a first formation candidate which is a formation candidate to be formed on a first forming surface of a three-dimensional object, ii. a second individual selection screen as the individual selection screen for the user to individually select a second formation candidate which is the formation candidate to be formed on a second forming surface different from the first forming surface of the three-dimensional object, and iii. a combination selection screen for the user to select a combination of the formation candidate including the first formation candidate and the second formation candidate.Type: GrantFiled: January 6, 2022Date of Patent: November 7, 2023Inventors: Takeshi Tsuchiya, Tomoyuki Yamada, Kazumi Yamada
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Publication number: 20230294418Abstract: A three-dimensional object printing apparatus executes printing of a first common image and a first substitute image on a first workpiece, which is three-dimensional, and also executes printing of a second common image and a second substitute image on a second workpiece, which is also three-dimensional. The first common image and second common image are the same image. The first substitute image and second substitute image are at least partially different from each other. The three-dimensional object printing apparatus executes a first print operation, in which the first common image is printed on the first workpiece, before executing a second print operation, in which the first substitute image is printed on the first workpiece.Type: ApplicationFiled: March 14, 2023Publication date: September 21, 2023Inventor: Takeshi TSUCHIYA
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Publication number: 20230229364Abstract: A print control device used to control printing on a three-dimensional workpiece includes an acquisition unit that acquires workpiece information including information about the number of print surfaces of the workpiece, where an image is printed on each of the print surfaces, a controller that displays, on a display device, a print image setting portion for a user to set an image to be printed on each of the print surfaces, and a reception unit that receives an operation by the user via an input device, wherein the controller changes the number of the print image setting portions to be displayed on the display device according to the workpiece information.Type: ApplicationFiled: January 17, 2023Publication date: July 20, 2023Inventor: Takeshi TSUCHIYA
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Patent number: 11655046Abstract: A safety management system to prevent unauthorized use, accident, resale, theft, and so forth of a flying object. The safety management system includes changing, at a motor controller, a power feeding amount to each drive unit based on an instruction from a main control unit, an authentication information storage unit which records registered identification information for performing operator authentication, an authentication accepting unit which accepts an input of input identification information, an operator authentication unit which performs operator authentication of an operator of the flying object based on the input identification information and the registered identification information, and a safety managing unit connected between a power source of the flying object and the motor controller of the flying object. The safety managing unit includes a switch which controls electrical connection between the motor controller and the power source based on the result of the operator authentication.Type: GrantFiled: April 21, 2016Date of Patent: May 23, 2023Assignees: The University of Tokyo, Blue Innovation Co., Ltd.Inventors: Shinji Suzuki, Takeshi Tsuchiya, Masayuki Kumada
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Publication number: 20220403845Abstract: A delivery port of a rotary-screw compressor includes: a first opening having a profile configured to interrupt communication with a second working chamber of a suction process that opens only in the axial direction; a second opening connected to the first opening; and a third opening connected to the first opening and the second opening. The profile of the first opening includes: a first profile line that forms one of a pair of lateral edges of a lingulate protrusion configured to close off the second working chamber and extends toward a reference point; a second profile line that forms another one of the pair of the lateral edges of the protrusion; a third profile line that extends toward the reference point along the root circle of the female rotor; and a second connection line that connects the first profile line with the second profile line. The second opening is a first groove that opens into the first opening at the second connection line and extends toward a reference line.Type: ApplicationFiled: September 10, 2020Publication date: December 22, 2022Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Masahiko TAKANO, Shigeyuki YORIKANE, Kenji MORITA