Patents by Inventor Wataru Takahashi

Wataru Takahashi 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).

  • Patent number: 11754194
    Abstract: A capacity control valve includes a valve housing provided with a suction fluid supply chamber to which a suction fluid of suction pressure Ps is supplied, and a control fluid supply chamber to which a control fluid of control pressure Pc is supplied, a CS valve formed by a CS valve element driven in the axial direction by a solenoid, and a CS valve seat provided in a communication passage between the control fluid supply chamber and the suction fluid supply chamber, the CS valve being connectable to and separable from the CS valve seat, and a pressure drive portion arranged in the control fluid supply chamber in a sealed manner and biasing the CS valve element in the opposite direction to the driving direction by the solenoid.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: September 12, 2023
    Inventors: Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi, Keigo Shirafuji
  • Publication number: 20230279952
    Abstract: A valve includes a valve housing provided with an inlet port and an outlet port; a valve body configured to be driven by a drive source; a spring that urges the valve body in a direction opposite a direction of driving by the drive source. A valve seat is formed at an edge of a through-flow passage. The valve body and the valve seat forms a poppet valve that controls a flow rate in accordance with a movement of the valve body. A flow passage on a downstream side of the poppet valve is provided with a reduction region where a flow passage cross-sectional area tends to decrease toward a downstream side.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 7, 2023
    Inventors: Toshinori KANZAKI, Wataru TAKAHASHI, Masahiro HAYAMA, Kohei FUKUDOME, Keigo SHIRAFUJI
  • Patent number: 11749363
    Abstract: A liquid discharge head having an element board including an element configured to discharge a liquid includes a first storage element and a second storage element. The first storage element is a fuse element or an anti-fuse element. The second storage element is a semiconductor memory capable of holding a larger capacity than the first storage element. The second storage element is provided on an area other than the element board.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: September 5, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Yamada, Kenta Udagawa, Wataru Takahashi, Norihiro Ikebe
  • Patent number: 11737710
    Abstract: A piezoelectric sensor (10) having an elongated-sheet shape includes a piezoelectric layer (11) containing an elastomer and piezoelectric particles and electrode layers (12a and 12b) which are disposed with the piezoelectric layer (11) sandwiched between the electrode layers. In the piezoelectric sensor (10), a pressure sensing region (S) has a length of 500 mm or longer in a longitudinal direction thereof; the electrode layers (12a and 12b) contain an elastomer and flaky conductive materials and are capable of elongating by 10% or more in one direction of plane directions; and when a space between one end portion (A) and the other end portion (B) of the pressure sensing region (S) in the longitudinal direction is set as a measurement zone, an electrical resistance in the measurement zone in the electrode layers (12a and 12b) is 3,000? or lower, and the specific Expression (I) is satisfied.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: August 29, 2023
    Assignee: Sumitomo Riko Company Limited
    Inventor: Wataru Takahashi
  • Publication number: 20230253946
    Abstract: A filter device includes a multilayer substrate, an inductor, and a first open stub. The multilayer substrate includes a first wiring layer, a second wiring layer including a first reference electrode to which a reference potential is supplied, and a plurality of first dielectric layers between the first wiring layer and the second wiring layer. The inductor has one end coupled to a first terminal and another end coupled to a second terminal. A portion of the first open stub is provided in the first wiring layer, and the first open stub has one end coupled to the one end of the inductor and another open-circuited end. When the multilayer substrate is viewed in plan view in a stacking direction, a capacitor is formed by the first reference electrode and the first open stub that mutually overlap. A resonant circuit is formed by the capacitor and the inductor.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 10, 2023
    Inventors: Yuki OHMAE, Wataru TAKAHASHI
  • Patent number: 11718081
    Abstract: A sheet separation device includes a rotator, a nipping member to nip the two-ply sheet with the rotator, a first conveyor to convey the two-ply sheet in a first direction toward the rotator and a second direction reverse thereto, a winding member to wind the two-ply sheet around the rotator, a second conveyor to convey a sheet medium in the second direction, a separation claw to move in a width direction; a sheet guide to guide the separated two sheets to different passages; and control circuitry. The first conveyor conveys the two-ply sheet to the rotator with a bonded portion at an upstream end. The control circuitry inserts the separation claw into a space between the two sheets, adjusts a projection amount of the two-ply sheet from a nip of the first conveyor in the second direction, and inserts the sheet medium in two-ply sheet adjusted in the projection amount.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: August 8, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Wataru Takahashi, Tomohiro Furuhashi, Michitaka Suzuki, Tomomichi Hoshino, Fumiharu Yoneyama, Kazuyoshi Matsuo, Makoto Hidaka, Koki Sakano, Akira Kunieda, Takahiro Watanabe, Takuya Morinaga, Yohsuke Haraguchi
  • Publication number: 20230221672
    Abstract: A sheet laminator laminates a two-ply sheet and a sheet-shaped medium inserted in the two-ply sheet. The sheet laminator includes a sheet feeder, a multi-feeding detector, a fixing device, an ejection device, a purging portion, a passage switcher, and circuitry. The sheet feeder feeds the two-ply sheet. The multi-feeding detector detects multiple feeding of the two-ply sheet. The fixing device fixes the two-ply sheet by application of heat and pressure. The ejection device ejects the two-ply sheet that has been fixed by the fixing device. The purging portion is disposed at a position different from the ejection device. The passage switcher switches a conveyance passage of the two-ply sheet to the fixing device or to the purging portion. The circuitry conveys the two-ply sheet to the purging portion and retries sheet feeding with another two-ply sheet, in response to detection of multiple feeding of the two-ply sheet.
    Type: Application
    Filed: December 2, 2022
    Publication date: July 13, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Keisuke SUGIYAMA, Tomohiro FURUHASHI, Wataru TAKAHASHI, Ruki MIDORIKAWA, Shinya MONMA, Sho ASANO
  • Publication number: 20230202790
    Abstract: A sheet stacker for use in a device including a stacker portion, a fence, and a guide face. The stacker portion includes a stacker face that is inclined at a predetermined angle with respect to a horizontal plane and receives a plurality of sheets ejected from above and stack the plurality of sheets on the stacker face. The fence includes an angled face to contact an end of the plurality of sheets stacked on the stacker face. The angled face rises in a direction in which the plurality of sheets is stacked, with respect to a lower side of the stacker face. The guide face guides the sheet conveyed along the lower side toward an outlet port to a lower end of the outlet port, the outlet port opening in an exterior of the device to remove the sheet to an outside of the device.
    Type: Application
    Filed: October 27, 2022
    Publication date: June 29, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Sho ASANO, Keisuke SUGIYAMA, Tomohiro FURUHASHI, Wataru TAKAHASHI, Ruki MIDORIKAWA, Shinya MONMA
  • Publication number: 20230202780
    Abstract: A sheet separation device includes a sheet separator and a conveyor. The sheet separator separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The conveyor conveys the two-ply sheet toward the sheet separator while bending the two-ply sheet in a direction that intersects a conveyance direction of the two-ply sheet.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 29, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Wataru TAKAHASHI, Tomohiro FURUHASHI, Keisuke SUGIYAMA, Ruki MIDORIKAWA, Shinya MONMA, Sho ASANO
  • Publication number: 20230202159
    Abstract: A sheet laminator includes a sheet lamination device, a heater, and circuitry. The sheet lamination device performs a sheet laminating operation on an object by application of heat and pressure. The heater heats the sheet lamination device. The circuitry changes between a first mode in which the heater constantly heats the sheet lamination device while the sheet lamination device is turned on and a second mode in which the heater starts heating the sheet lamination device in response to a request of the sheet laminating operation and stops heating the sheet lamination device after a given time has elapsed from completion of the sheet laminating operation. The circuitry adjusts the given time in the second mode.
    Type: Application
    Filed: October 19, 2022
    Publication date: June 29, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Shinya MONMA, Keisuke SUGIYAMA, Tomohiro FURUHASHI, Wataru TAKAHASHI, Ruki MIDORIKAWA, Sho ASANO
  • Patent number: 11686721
    Abstract: A cell image analysis apparatus that can achieve less time and effort for labeling for generation of teaching data than in a conventional example is provided. The cell image analysis apparatus includes an image obtaining unit that obtains a cell image including a removal target that is obtained by a microscope for observation of a cell, a teaching data generator that specifies a removal target region including the removal target within the cell image by performing predetermined image processing and generates as teaching data for machine learning, a label image that represents a location of the removal target region in the cell image, and a training data set generator that generates a set of the cell image and the label image as a training data set to be used in machine learning.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: June 27, 2023
    Assignee: Shimadzu Corporation
    Inventor: Wataru Takahashi
  • Patent number: 11679582
    Abstract: A sheet processing device includes a conveyor, a rotator, a separator, and control circuitry. The conveyor conveys a sheet-shaped medium into a two-ply sheet in which two sheets are overlaid and partially bonded, and includes a drive roller and a driven roller. The rotator winds the two-ply sheet. The separator separates the two sheets of the two-ply sheet. The control circuitry causes the conveyor to convey the two-ply sheet in a winding direction to wind the two-ply sheet around the rotator to generate a space between the two sheets, and causes the separator to insert into the space between the two sheets to separate the two sheets. The drive roller and the rotator are disposed on a same side with respect to a sheet conveyance passage of the two-ply sheet, and the driven roller and the rotator are disposed on opposite sides with respect to the sheet conveyance passage.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: June 20, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Suzuka Fujita, Tomohiro Furuhashi, Wataru Takahashi, Yoshito Suzuki, Shinya Monma, Joji Akiyama, Yohsuke Haraguchi, Sho Asano, Wataru Nozaki
  • Patent number: 11653888
    Abstract: This radiographic imaging apparatus (100) is provided with a control unit (5) configured to associate a projection image (70) in which at least a part of a post-removal projection image (70a) in which a contrast agent image (Ba) has been removed and at least a part of a fluoroscopic image (20) are most similar.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: May 23, 2023
    Assignee: Shimadzu Corporation
    Inventors: Wataru Takahashi, Hidetaka Takezawa, Michel Dargis
  • Patent number: 11642878
    Abstract: A laminating device inserts a sheet-shaped medium into a two-ply sheet in which two sheets are overlaid and partially bonded, and includes a loader, a fixing device, and control circuitry. The loader loads the sheet-shaped medium or a cleaning sheet. The fixing device laminates the two-ply sheet in which the sheet-shaped medium is sandwiched between the two sheets of the two-ply sheet. The control circuitry performs a cleaning mode of conveying a plurality of cleaning sheets from the loader to clean the fixing device. The cleaning mode is to convey a subsequent cleaning sheet of the plurality of cleaning sheets at a position different from a position of a preceding cleaning sheet of the plurality of cleaning sheets in a direction orthogonal to a conveyance direction of the plurality of cleaning sheets.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: May 9, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Shinya Monma, Tomohiro Furuhashi, Wataru Takahashi, Sho Asano, Yoshito Suzuki, Joji Akiyama, Yohsuke Haraguchi, Wataru Nozaki, Suzuka Fujita
  • Patent number: 11635152
    Abstract: A capacity control valve includes a valve housing provided with a Ps port through which a suction fluid at a suction pressure passes and a Pc port through which a control fluid at a control pressure passes; a valve body configured to close and open a communication between the Pc port and the Ps port by a driving force of a solenoid; and a pressure sensitive body that applies a biasing force to the valve body according to a surrounding fluid pressure. An accommodation chamber in which a rear side portion of the valve body is accommodated is provided with a supply passage to which suction fluid is supplied.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 25, 2023
    Inventors: Masahiro Hayama, Kohei Fukudome, Toshinori Kanzaki, Wataru Takahashi, Keigo Shirafuji
  • Publication number: 20230097849
    Abstract: In a creation method of a trained model, a reconstructed image (60) obtained by reconstructing three-dimensional X-ray image data (80) is generated. A projection image (61) is generated from a three-dimensional model of an image element (50) by a simulation. The projection image is superimposed on the reconstructed image to generate a superimposed image (67). A trained model (40) is created by performing machine learning using the superimposed image, and the reconstructed image or the projection image.
    Type: Application
    Filed: February 26, 2020
    Publication date: March 30, 2023
    Applicant: SHIMADZU CORPORATION
    Inventors: Wataru TAKAHASHI, Shota OSHIKAWA, Yuichiro HIRANO, Yohei SUGAWARA, Zhengyan GAO, Kazue MIZUNO
  • Publication number: 20230063635
    Abstract: A filter device includes: a multilayer board including a first dielectric layer, a first wiring layer including a reference electrode to which a reference potential is supplied, and a second dielectric layer positioned between the first dielectric layer and the first wiring layer and having a thickness different from a thickness of the first dielectric layer; a series passive element provided on a series wire electrically connecting a first terminal and a second terminal together; a first parallel wire electrically connecting the series wire and the reference electrode together; and a first parallel passive element provided on the first parallel wire. The first parallel wire includes: a first via penetrating through the first dielectric layer and electrically connected to the first parallel passive element; and a second via penetrating through the second dielectric layer and electrically connecting the first via and the reference electrode together.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 2, 2023
    Inventor: Wataru TAKAHASHI
  • Patent number: 11592778
    Abstract: An image forming apparatus includes a sheet separation device, a first sheet feeder, a second sheet feeder, an image forming device, and circuitry. The sheet separation device is configured to separate a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The first sheet feeder is configured to feed the two-ply sheet. The second sheet feeder is configured to feed an inner sheet to be inserted between the two sheets. The image forming device is configured to form an image on a surface of the inner sheet. The circuitry is configured to cause the first sheet feeder to feed the two-ply sheet, perform a sheet separating operation on the two-ply sheet and cause the second sheet feeder to start feeding the inner sheet before completion of the sheet separating operation on the two-ply sheet.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: February 28, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Sho Asano, Wataru Takahashi, Yoshito Suzuki, Shinya Monma, Joji Akiyama, Yohsuke Haraguchi, Wataru Nozaki, Tomohiro Furuhashi
  • Publication number: 20230059133
    Abstract: A sheet separation device separates a non-bonding portion of a two-ply sheet in which two sheets are overlapped and bonded together at a bonding portion of the two-ply sheet. The sheet separation device includes a winding roller, a conveyance roller pair, and a separation claw. The winding roller rotates and winds the two-ply sheet. The conveyance roller pair conveys the two-ply sheet toward the winding roller. The separation claw is inserted into a gap between the two sheets at a position between the winding roller and the conveyance roller pair. The separation claw is disposed in a space that is bounded by an imaginary plane and includes the winding roller. The imaginary plane passes through a nip of the conveyance roller pair and a winding start position at which the two-ply sheet starts to be wound around the winding roller.
    Type: Application
    Filed: March 3, 2021
    Publication date: February 23, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Sho ASANO, Tomohiro FURUHASHI, Wataru TAKAHASHI, Yoshito SUZUKI, Shinya MONMA, Joji AKIYAMA, Yohsuke HARAGUCHI, Wataru NOZAKI
  • Patent number: 11584606
    Abstract: A sheet processing device separates a two-ply sheet in which two sheets are overlapped and partially bonded and sandwich a sheet medium between the two sheets. The sheet processing device includes a relay conveyance path, a sheet loader, and control circuitry. The sheet medium is fed from an image forming apparatus connected upstream of the sheet processing device through the relay conveyance path. The sheet loader loads at least one of the two-ply sheet and the sheet medium. The control circuitry performs a mixing mode to feed the two-ply sheet or the sheet medium from the sheet loader.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: February 21, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohsuke Haraguchi, Tomohiro Furuhashi, Yoshito Suzuki, Shinya Monma, Wataru Takahashi, Joji Akiyama, Sho Asano, Wataru Nozaki