Patents by Inventor Yoshihiro Takahashi

Yoshihiro 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).

  • Publication number: 20250062669
    Abstract: An actuator includes a movable body including: a disk-shaped magnet, a pair of disk-shaped yokes fixed to front and back surfaces of the disk-shaped magnet, a pair of spring retaining parts connected at one ends to the disk-shaped yokes, respectively, and connected at other ends to central portions of circular leaf springs, respectively, and a protruding part protruding in an axial direction of the disk-shaped magnet from the other end of one spring retaining part of the pair of spring retaining parts; and a fixing body including: a coil disposed at an outer circumference of the movable body, and a case including an opening portion through which the protruding part is inserted, the case accommodating the coil and the movable body such that a protruding end side of the protruding part protrudes to an outside.
    Type: Application
    Filed: December 23, 2022
    Publication date: February 20, 2025
    Applicant: Minebea Mitsumi Inc.
    Inventors: Yuki TAKAHASHI, Takanori KATO, Yoshihiro GOMI, Chikara SEKIGUCHI, Yasutaka KITAMURA
  • Patent number: 12222664
    Abstract: A developing device includes a developer bearer rotatable in a rotation direction and forming a developing range, a holder, and an entrance seal. The holder has a facing face facing the developer bearer upstream from the developing range in the rotation direction, a support face defining a part of an outer face of the developing device, and a relay face extending from one end of the support face to one end of the relay face connected to the facing face to form an acute tip portion closer to the developing range than the one end. The entrance seal has a free end projecting from the one end as a cantilever, and a length of the entrance seal from a tip of the free end of the entrance seal to the one end is shorter than a length of the relay face from the acute tip portion to the one end.
    Type: Grant
    Filed: August 21, 2023
    Date of Patent: February 11, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kei Saito, Yoshihiro Fujiwara, Masaki Takahashi, Yuuki Tsuchiya
  • Publication number: 20250041618
    Abstract: A package used for a plasma irradiation system includes a plasma irradiation device which includes a base portion functioning as a grip portion, and a detachable component which is detachably attached to the base portion and has a discharging opening; and a control apparatus to which the plasma irradiation device is connected and which controls the plasma irradiation device. The package includes the detachable component, a packaging material, and an information section containing a piece of information which is readable by the control apparatus. The information section is provided at least on the detachable component, on the packaging material, or in the packaging material and includes at least one of a memory section for memorizing the number of times of use of the detachable component, and an identification section in which a piece of identification information of the detachable component has been recorded.
    Type: Application
    Filed: December 2, 2022
    Publication date: February 6, 2025
    Applicant: NITERRA CO., LTD.
    Inventors: Yoshihiro NAKANO, Yuji MATSUMOTO, Kei TAKAHASHI
  • Patent number: 12213692
    Abstract: A treatment tool for an endoscope includes an operating part and a transmitting part that transmits an operation of the operating part to a grip part of a distal end part and a bendable part. The operating part has an operating member that is movable in a first direction and a second direction orthogonal to the first direction. The transmitting part has a first transmitting member that is moved to an operating part side based on an operation of the operating member in the first direction and closes the grip part and a second transmitting member that is moved to the operating part side based on an operation of the operating member in the second direction and bends the bendable part.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: February 4, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Yoshihiro Ueda, Keiichiro Takahashi, Jun Sato
  • Publication number: 20250038773
    Abstract: A radio frequency module includes a mounting board, a first acoustic wave filter including a first support disposed at a first main surface of the mounting board, a second acoustic wave filter including a second support disposed on the first acoustic wave filter, and a shield electrode. The shield electrode covers at least a part of the resin layer. The first acoustic wave filter and the second acoustic wave filter pass signals to perform simultaneous communication. A main surface of the second acoustic wave filter on an opposite side from a first acoustic wave filter side is in contact with the shield electrode. A ground electrode of the mounting board is connected to a functional electrode of the first acoustic wave filter.
    Type: Application
    Filed: October 9, 2024
    Publication date: January 30, 2025
    Applicant: Murata Manufacturing Co., Ltd.
    Inventors: Hiroyuki KANI, Yoshihiro YOSHIMURA, Kiyoshi AIKAWA, Takahiro YAMASHITA, Yuusuke SUZUKI, Hidetaka TAKAHASHI, Takanori ITO, Takuma KUROYANAGI
  • Patent number: 12158209
    Abstract: A shaft seal having a ring shape adheres to an outer peripheral surface of a rotational shaft and thereby seals sealed fluid. The shaft seal partitions a gap between the rotational shaft and a housing to which the shaft seal is mounted, into a high-pressure side and a low-pressure side. The shaft seal is an injection-molded body having a generally U-shape in a sectional view about an axial direction. The shaft seal has a seal lip part that is configured to extend to the high-pressure side and slide on the rotational shaft, and an outer lip part that is disposed at an outer diametrical side relative to the seal lip part. An inclined angle of the seal lip part 2 relative to the outer peripheral surface of the rotational shaft is 5-20 degrees.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: December 3, 2024
    Assignee: NTN CORPORATION
    Inventors: Ken Yasuda, Yoshihiro Takahashi
  • Patent number: 12145354
    Abstract: A heating device includes a conveyor configured to convey a sheet, the sheet having a first surface on which a liquid is applied and a second surface contacting the conveyor, a first heater facing the first surface opposite to the second surface of the sheet, the first heater configured to heat the sheet, and a second heater configured to heat the conveyor.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: November 19, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Sawase, Kazuaki Kamihara, Ryusaku Hida, Masato Ogawa, Kohki Asada, Yoshihiro Takahashi
  • Publication number: 20240346015
    Abstract: A system using blockchain technology includes a plurality of nodes forming a network having a hierarchical structure and each managing a ledger. Each of the plurality of nodes is located, based on a performance of a corresponding one of the plurality of nodes, in a layer corresponding to the performance among a plurality of layers in the hierarchical structure.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Applicant: KYOCERA Corporation
    Inventors: Yoshihiro TAKAHASHI, Hiroyuki YAMASHITA, Satoko ISHIHARA, Haeseung JUNG, Hideo NISHIUCHI, Masashi FUJISAWA
  • Publication number: 20240293860
    Abstract: An upper die having a reduced weight and sufficient rigidity. In a die which is used for a pressing machine including a lower die provided on a lower side in a height direction, an upper die provided on an upper side in the height direction, and a pressing mechanism that moves the upper die up and down, the die has a plurality of segments in which a concave portion partitioned by ribs is formed, on a rear surface side that is a side opposite to a processing surface.
    Type: Application
    Filed: July 15, 2022
    Publication date: September 5, 2024
    Applicant: G-TEKT CORPORATION
    Inventors: Yoshihiro Takahashi, Soichiro Koyanagi
  • Patent number: 12045748
    Abstract: The present invention provides a management method that manages a plurality of worksites, comprising: acknowledging a work status of each worksite per work type based on information obtained from a plurality of types of work machines at each worksite; comparing the work status with a plan, and managing a progress status of each worksite per work type; specifying, based on the progress status, a work type of a worksite for which the work status has been delayed relative to the plan; and making, with regard to a work machine and a worker for the work type with the delay, a request for dispatch to the worksite with the delay to another worksite.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 23, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Junjiro Yoshida, Hibiki Koga, Yoshihiro Takahashi
  • Patent number: 12032153
    Abstract: An endoscope objective optical system includes in order from an object side, a front group having a positive refractive power, an aperture stop, and a rear group having a positive refractive power. The front group includes a negative lens which nearest to object, a rear group includes a positive lens which is nearest to image, and the endoscope objective optical system satisfies following conditional expressions (1??), (2) and (3??). ?15.0<ff/f1<?4.2??(1??) ?1.70<f1/f<?0.95??(2) 0.6<g1/g2<1.20??(3??) where, ff denotes a focal length of the positive lens, f1 denotes a focal length of the negative lens, f denotes a focal length of the overall endoscope objective optical system, g1 denotes a focal length of the front group, and g2 denotes a focal length of the rear group.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: July 9, 2024
    Assignee: OLYMPUS CORPORATION
    Inventor: Yoshihiro Takahashi
  • Patent number: 11993085
    Abstract: A heater includes an irradiator configured to irradiate a heating object including a liquid attachment region, onto which a liquid is applied, with an active energy ray, and circuitry configured to control an output of the active energy ray emitted from the irradiator to an edge portion in the liquid attachment region of the heating object to be larger than an output of the active energy ray emitted from the irradiator to a non-edge portion in the liquid attachment region excluding the edge portion.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: May 28, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ryusaku Hida, Kazuaki Kamihara, Kohki Asada, Kenji Nozawa, Genichiroh Kawamichi, Hiroshi Sawase, Yoshihiro Takahashi, Shun Saito
  • Patent number: 11956392
    Abstract: An image forming apparatus includes a conveyer configured to convey a recording medium on which a mark is formed; an image reader configured to read an image formed on the recording medium while the recording medium is being conveyed; a detector configured to detected a value corresponding to a conveyance amount of the recording medium conveyed by the conveyer and output the detected value; and a processor and a memory that stores program instructions causing the processor to calculate a position of the mark on the recording medium with respect to a conveyance direction of the recording medium based on respective detected values output from the detector when an edge of the recording medium and the mark are read by the image reader.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshihiro Takahashi, Noboru Hirano
  • Patent number: 11895947
    Abstract: A mower comprises: a cutter housing having an inner hole in which an output shaft of a motor is inserted; and a motor cover provided above the cutter housing with a space therebetween, the motor cover covering the motor. Cooling air leadout openings for leading cooling air in the motor cover to the outside are formed in the motor cover, the cooling air leadout openings being positioned inward of a peripheral wall part of the motor cover and outward of the inner hole of the cutter housing.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: February 13, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kenta Nishimura, Yasumi Fukuzumi, Yoshihiro Takahashi, Koki Tsuruda, Fumio Minami
  • Patent number: 11897254
    Abstract: A liquid discharge apparatus includes a first liquid that generates heat in an absorption wavelength region of an active energy ray, a first discharger configured to discharge the first liquid, a second liquid that starts polymerization in the absorption wavelength region of the active energy ray, a second discharger configured to discharge the second liquid, and an irradiator configured to irradiate the first liquid and the second liquid with the active energy ray.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: February 13, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroshi Sawase, Kazuaki Kamihara, Kohki Asada, Ryusaku Hida, Yoshihiro Takahashi
  • Publication number: 20240042775
    Abstract: A conveying device includes a conveyor, a detector, and circuitry. The conveyor conveys a recording medium in a conveyance direction. The detector detects a skew amount and a shift amount of a posture of the recording medium to be sent to the conveyor and detects, in parallel, end positions of the recording medium in a width direction of the recording medium intersecting with the conveyance direction, at at least three different points in the conveyance direction on one end of the recording medium in the width direction. The circuitry controls an operation of the conveyor and causes the detector to detect a corner folded portion of the recording medium based on the end positions of the recording medium in the width direction detected at the at least three different points.
    Type: Application
    Filed: July 27, 2023
    Publication date: February 8, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Yoshihiro Takahashi, Motoharu Takahashi
  • Patent number: 11890859
    Abstract: A sheet heater includes a first conveyance belt configured to convey a sheet on which a liquid has been discharged in a conveyance direction, a heating unit facing the first conveyance belt, the heating unit configured to heat the sheet conveyed by the first conveyance belt, and a second conveyance belt disposed upstream of the first conveyance belt in the conveyance direction, the second conveyance belt configured to convey the sheet to the first conveyance belt. A surface temperature of the second conveyance belt is lower than a surface temperature of the first conveyance belt when the first conveyance belt and the second conveyance belt convey the sheet.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 6, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kohki Asada, Kazuaki Kamihara, Masato Ogawa, Hiroshi Sawase, Yoshihiro Takahashi, Ryusaku Hida, Kenji Nozawa, Genichiroh Kawamichi
  • Publication number: 20230108116
    Abstract: A heating device includes a conveyor configured to convey a sheet, the sheet having a first surface on which a liquid is applied and a second surface contacting the conveyor, a first heater facing the first surface opposite to the second surface of the sheet, the first heater configured to heat the sheet, and a second heater configured to heat the conveyor.
    Type: Application
    Filed: December 5, 2022
    Publication date: April 6, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroshi Sawase, Kazuaki Kamihara, Ryusaku Hida, Masato Ogawa, Kohki Asada, Yoshihiro Takahashi
  • Patent number: 11597217
    Abstract: A sheet conveyor includes an endless conveyance belt configured to rotate to convey a sheet, a belt heater configured to heat the conveyance belt; and circuitry configured to control the conveyance belt to rotate. The conveyance belt has a belt joint joining both ends of a sheet member to form the conveyance belt, and the circuitry controls the conveyance belt to rotate to receive the sheet in an area of the conveyance belt other than the belt joint of the conveyance belt.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: March 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuaki Kamihara, Masato Ogawa, Kohki Asada, Hiroshi Sawase, Yoshihiro Takahashi, Ryusaku Hida
  • Publication number: 20230028144
    Abstract: To provide a shaft seal that is capable of decreasing rotational torque and realizing superior sealing performance. A shaft seal 1 having a ring shape adheres to an outer peripheral surface of a rotational shaft 6 and thereby seals sealed fluid. The shaft seal 1 partitions a gap between the rotational shaft 6 and a housing 7 to which the shaft seal 1 is mounted, into a high-pressure side and a low-pressure side. The shaft seal 1 is an injection-molded body having a generally U-shape in a sectional view about an axial direction. The shaft seal 1 has a seal lip part 2 that is configured to extend to the high-pressure side and slide on the rotational shaft 6, and an outer lip part 3 that is disposed at an outer diametrical side relative to the seal lip part 2. An inclined angle ? of the seal lip part 2 relative to the outer peripheral surface of the rotational shaft 6 is 5-20 degrees. The length L2 of the seal lip part 2 in the sectional view about the axial direction of the shaft seal 1 is 2.0-6.5 mm.
    Type: Application
    Filed: December 3, 2020
    Publication date: January 26, 2023
    Inventors: Ken YASUDA, Yoshihiro TAKAHASHI