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).

  • Publication number: 20250023665
    Abstract: 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: Application
    Filed: July 9, 2024
    Publication date: January 16, 2025
    Inventors: Hayato KAWAMURA, Takeshi OHNO, Masanobu TSUCHIYA
  • Patent number: 12186088
    Abstract: 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: Grant
    Filed: January 14, 2020
    Date of Patent: January 7, 2025
    Assignees: NATIONAL UNIVERSITY CORPORATION SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION
    Inventors: Takashi Ashihara, Koji Takizawa, Takeshi Tsuchiya
  • Patent number: 12135032
    Abstract: 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: Grant
    Filed: March 28, 2022
    Date of Patent: November 5, 2024
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takeshi Tsuchiya, Kotaro Chiba, Shuhei Nagata, Shigeyuki Yorikane, Kenji Morita, Yuta Kajie
  • Patent number: 12123411
    Abstract: 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: Grant
    Filed: March 15, 2023
    Date of Patent: October 22, 2024
    Assignee: HITACHI, LTD.
    Inventors: Nae Hisano, Ryota Iijima, Kotaro Chiba, Takeshi Tsuchiya
  • Patent number: 12078172
    Abstract: 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: Grant
    Filed: March 2, 2022
    Date of Patent: September 3, 2024
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takeshi Tsuchiya, Kotaro Chiba, Toshiaki Yabe, Shigeyuki Yorikane
  • Patent number: 12064924
    Abstract: 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: Grant
    Filed: January 6, 2022
    Date of Patent: August 20, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kazumi Yamada, Takeshi Tsuchiya, Tomoyuki Yamada
  • Patent number: 12031536
    Abstract: 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: Grant
    Filed: October 18, 2021
    Date of Patent: July 9, 2024
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takeshi Tsuchiya, Kotaro Chiba, Tomohiro Komatsu, Shota Tanimoto, Toshiaki Yabe, Shigeyuki Yorikane
  • Publication number: 20240183357
    Abstract: 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: Application
    Filed: February 9, 2024
    Publication date: June 6, 2024
    Inventors: Shota TANIMOTO, Shigeyuki YORIKANE, Tomohiro KOMATSU, Takeshi TSUCHIYA, Kotaro CHIBA
  • Publication number: 20240141896
    Abstract: 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: Application
    Filed: March 2, 2022
    Publication date: May 2, 2024
    Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Toshiaki YABE, Shigeyuki YORIKANE
  • Patent number: 11933300
    Abstract: 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: Grant
    Filed: September 10, 2020
    Date of Patent: March 19, 2024
    Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    Inventors: Shota Tanimoto, Shigeyuki Yorikane, Tomohiro Komatsu, Takeshi Tsuchiya, Kotaro Chiba
  • Patent number: 11922076
    Abstract: 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: Grant
    Filed: January 17, 2023
    Date of Patent: March 5, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Takeshi Tsuchiya
  • Publication number: 20240068475
    Abstract: 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 shaft
    Type: Application
    Filed: March 28, 2022
    Publication date: February 29, 2024
    Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Shuhei NAGATA, Shigeyuki YORIKANE, Kenji MORITA, Yuta KAJIE
  • Patent number: 11873817
    Abstract: 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: Grant
    Filed: September 10, 2020
    Date of Patent: January 16, 2024
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takeshi Tsuchiya, Kotaro Chiba, Masahiko Takano, Shigeyuki Yorikane, Kenji Morita
  • Publication number: 20230392598
    Abstract: 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: Application
    Filed: October 18, 2021
    Publication date: December 7, 2023
    Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Tomohiro KOMATSU, Shota TANIMOTO, Toshiaki YABE, Shigeyuki YORIKANE
  • Publication number: 20230383749
    Abstract: 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: Application
    Filed: March 15, 2023
    Publication date: November 30, 2023
    Inventors: Nae HISANO, Ryota IIJIMA, Kotaro CHIBA, Takeshi TSUCHIYA
  • Patent number: 11809766
    Abstract: 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: Grant
    Filed: January 6, 2022
    Date of Patent: November 7, 2023
    Inventors: Takeshi Tsuchiya, Tomoyuki Yamada, Kazumi Yamada
  • Publication number: 20230294418
    Abstract: 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: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Inventor: Takeshi TSUCHIYA
  • Publication number: 20230229364
    Abstract: 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: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventor: Takeshi TSUCHIYA
  • Patent number: 11655046
    Abstract: 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: Grant
    Filed: April 21, 2016
    Date of Patent: May 23, 2023
    Assignees: The University of Tokyo, Blue Innovation Co., Ltd.
    Inventors: Shinji Suzuki, Takeshi Tsuchiya, Masayuki Kumada
  • Publication number: 20220403845
    Abstract: 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: Application
    Filed: September 10, 2020
    Publication date: December 22, 2022
    Inventors: Takeshi TSUCHIYA, Kotaro CHIBA, Masahiko TAKANO, Shigeyuki YORIKANE, Kenji MORITA