Patents by Inventor Yasushi Fujimoto

Yasushi Fujimoto 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: 20240096534
    Abstract: According to one embodiment, a superconducting coil apparatus comprising at least one superconducting coil formed of a plurality of turns under a definition that one turn is a portion of a superconducting wire annularly wound for one round, wherein: the superconducting coil has a shape along an outer peripheral surface of a tubular structure having a tubular shape; each of the plurality of turns has a coil longitudinal portion extending along an axial direction of the tubular structure; arrangement form of the coil longitudinal portion is different between a main magnetic field generation region configured to generate a main magnetic field and a magnetic field correction region configured to generate a correction magnetic field.
    Type: Application
    Filed: July 14, 2023
    Publication date: March 21, 2024
    Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and Technology
    Inventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
  • Patent number: 11933796
    Abstract: Provided are a quality control method, a quality control system, a management apparatus, an analyzer, and a quality control abnormality determination method in which measurement results of both a quality control substance and a specimen are sufficiently utilized to improve the quality of quality control. The quality control method used in a management apparatus which is connected via a network to an analyzer installed in each of a plurality of facilities includes obtaining, from an analyzer in each facility via a network, first quality control information obtained by measuring an artificially generated quality control substance, and second quality control information obtained by measuring a plurality of specimens by the analyzer in each facility; and outputting information concerning quality control of an analyzer in at least one facility, based on the obtained first quality control information and second quality control information.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: March 19, 2024
    Assignee: SYSMEX CORPORATION
    Inventors: Keiji Fujimoto, Kazuhiko Matsuoka, Yasushi Hasui
  • Publication number: 20230107472
    Abstract: A vehicle includes a controller configured to switch between a constant speed traveling mode in which a vehicle speed is held constant and an inertial traveling mode in which a prime mover is stopped or in an idling state, and a clutch apparatus configured to connect and disconnect power transmission between the prime mover and an output target, and the controller controls the clutch apparatus and decreases a clutch capacity so as to transit to the inertial traveling mode when detected that the vehicle is traveling on a downhill road during the constant speed traveling mode, and the controller controls the clutch apparatus and increases the clutch capacity so as to transit to the constant speed traveling mode when detected that the vehicle traveling on the downhill road has terminated.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 6, 2023
    Inventors: Takashi Ozeki, Yoshiaki Tsukada, Junya Ono, Koichi Furusato, Yuma Kaibe, Ryohei Tsuzuki, Yasushi Fujimoto, Tatsuya Ryuzaki
  • Patent number: 11621535
    Abstract: A fiber laser apparatus includes: a short-length type fiber to which an active element is added and that has a length of 300 mm or less: a ferrule attached to an end of the fiber; and a housing that accommodates the fiber and supports the fiber with the ferrule. Each of the housing and the ferrule is composed of a material having a first thermal expansion coefficient that is equal to or have a predetermined difference from a second thermal expansion coefficient of a raw material of the fiber. The predetermined difference between the first and second thermal expansion coefficients is within ?8.6×10?6 to 11.4×10?6/K.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 4, 2023
    Assignee: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20230095322
    Abstract: A clutch control device includes a clutch apparatus configured to connect and disconnect power transmission between an engine and a gearbox, a clutch actuator configured to output a driving force to actuate the clutch apparatus, and an ECU configured to drive the clutch actuator, and the ECU performs engine stalling avoiding control which decreases a clutch capacity when a reduction speed of an engine rotational speed becomes a predetermined threshold or more and the engine rotational speed becomes a predetermined engine stalling determination value or less.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 30, 2023
    Inventors: Tatsuya Ryuzaki, Yoshiaki Tsukada, Junya Ono, Takashi Ozeki, Koichi Furusato, Yuma Kaibe, Ryohei Tsuzuki, Yasushi Fujimoto
  • Publication number: 20220385025
    Abstract: An ultraviolet laser apparatus includes: a semiconductor laser that emits an excitation laser light; a fiber laser medium to which the excitation laser light enters from the semiconductor laser and that causes laser oscillation; and an external resonator that: converts a wavelength of a laser light oscillated in the fiber laser medium, and outputs an ultraviolet region continuous wave of at least 0.1W.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 1, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20220109280
    Abstract: A fiber laser apparatus includes: a short-length type fiber to which an active element is added and that has a length of 300 mm or less: a ferrule attached to an end of the fiber; and a housing that accommodates the fiber and supports the fiber with the ferrule. Each of the housing and the ferrule is composed of a material having a first thermal expansion coefficient that is equal to or have a predetermined difference from a second thermal expansion coefficient of a raw material of the fiber. The predetermined difference between the first and second thermal expansion coefficients is within ?8.6×10?6 to 11.4×10?6/K.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Publication number: 20220102933
    Abstract: A laser apparatus includes: a laser oscillator that includes a mirror and emits a laser beam; and an external resonator that includes a nonlinear optical crystal that functions as a phase conjugate mirror. The phase conjugate mirror reflects the laser beam and produces a phase conjugate wave that reaches the mirror of the laser oscillator, and the mirror of the laser oscillator and the phase conjugate mirror cause laser oscillation such that a wavelength and a phase of the laser beam oscillated by the laser oscillation are automatically fixed.
    Type: Application
    Filed: December 14, 2021
    Publication date: March 31, 2022
    Applicant: KIMMON KOHA CO., LTD.
    Inventors: Yasushi Fujimoto, Paul Binun, Shinji Motokoshi, Masamori Nakahara, Takeshi Hamada
  • Patent number: 11156154
    Abstract: An internal combustion engine which can be miniaturized, even where it includes an oil filter between a hydraulic clutch and an oil pump, without significantly increasing the length of an oil passage for the hydraulic clutch, the oil pump and a hydraulic pressure adjustment apparatus. A second oil filter is provided on an oil pan at a lower portion of the internal combustion engine so as to be disposed at a position at which the second oil filter does not overlap with any of a controlling oil pump and a hydraulic pressure adjustment apparatus as viewed in side elevation and which is lower than those of the oil pump and the hydraulic pressure adjustment apparatus.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: October 26, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasushi Fujimoto, Kinya Mizuno
  • Patent number: 10794484
    Abstract: A transmission case 210 supports a shift shaft 222 that constitutes a part of a speed change operation mechanism 220, and which receives an operating input and transmits a speed change motion of a transmission 201. A part of a transmission holder 162M in which part the shift shaft 222 is disposed includes a shaft insertion opening portion 162g that the shift shaft 222 is disposed so as to pass through.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 6, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasushi Fujimoto, Taku Hirayama, Hirokazu Tanaka
  • Patent number: 10619720
    Abstract: A transmission for a vehicle has a main shaft and a counter shaft, which are supported in a transmission case by bearings. Gears on the main shaft and gears on the counter shaft include: shifter gears which are not rotatable but axially movable relative to the shaft, and fixed gears which are rotatable but not axially movable relative to the shaft. Dog clutches are provided between the shifter gears and the fixed gears, and outer races of the bearings supporting the main and counter shafts are affixed to the transmission case. Vibration-absorbing elastic members are pressed against the outer races from axially outside and are set to have a volume of 50% or more of the volume of the outer races. With such configuration, the vibration of the bearings supporting both the main and counter shafts of the transmission is attenuated, and striking noise caused by shifting is reduced.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: April 14, 2020
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yasushi Fujimoto, Kinya Mizuno, Hiroyuki Makita, Masashi Koyanagi
  • Patent number: 10436320
    Abstract: A transmission structure for a vehicle, the transmission structure including: a transmission having a plurality of speed change stages, the transmission including a speed change operation mechanism that has an output portion receiving an input motion produced by an actuator as an operation driving source and changing a speed change stage of the transmission, and a transmission case that houses the speed change operation mechanism, a part of the speed change operation mechanism being a torsion bar as a torque transmitting member, and a rear end gear being disposed on an end portion of the torsion bar; the transmission case including a boss portion holding an intermediate portion in an axial direction of the torsion bar.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: October 8, 2019
    Assignee: HONDA MOTOR CO. LTD.
    Inventors: Yasushi Fujimoto, Taku Hirayama, Hiroyuki Makita, Yukio Yokogawa
  • Patent number: 10400834
    Abstract: An oil supply structure for a power unit includes a working oil pump, a lubrication oil pump, an oil storage section, a working oil pressure detection part and a lubrication hydraulic pressure detection part, the oil storage section including a lubrication oil storage chamber in which a suction section of the lubrication oil pump is opened, and a working oil storage chamber in which a suction section of the working oil pump is opened, and oil overflowed from the working oil storage chamber being stored in the lubrication oil storage chamber.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: September 3, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki Sugiura, Noriyuki Suzuki, Kinya Mizuno, Yasushi Fujimoto
  • Patent number: 10393188
    Abstract: A cam-type damper 118 includes a drive cam 131 provided on a clutch shaft 114 without capability of relative rotation and a driven cam 132 provided on a main shaft 103 without capability of relative rotation. The clutch shaft 114 contains a shaft end of the main shaft 103 and the main shaft 103 is rotatably supported on the inner circumferential surface of the clutch shaft 114. The driven cam 132 provided on the main shaft 103 is disposed between a front end surface 114g of the clutch shaft 114 and a rear end surface 103h of a main shaft gear 103d provided on the main shaft 103 and the movement of the driven cam 132 in the axial direction is restricted.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: August 27, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasushi Fujimoto, Taku Hirayama, Hiroyuki Makita, Takafumi Goto
  • Patent number: 10337611
    Abstract: A variable-speed drive device for a power unit to be used in a vehicle equipped with a stopper pin passed through an opening in a master arm for regulating the amount of rotary movement of the master arm. Shock-absorbing device is provided on the master arm or the stopper pin At least a part of the shock-absorbing device is formed to project into the path along which the stopper pin moves relative to the opening of the master arm, from a stopper pin outer surface or from edge portions of a defining edge of the opening in the master arm onto extension of the stopper pin path. As a result, even if the master arm and the stopper pin contact one another at high speed, it is possible to suppress the sound of contact and suppress an increase in the weight of a stopper pin fixing part.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: July 2, 2019
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yasushi Fujimoto, Hiroyuki Makita, Masashi Koyanagi, Yoshinobu Shiomi, Jun Adachi, Junya Ono
  • Patent number: 10167908
    Abstract: A clutch actuator structure provided for an internal combustion engine and a hydraulic clutch mechanism for transmitting a rotational driving force of a crankshaft of said engine includes a clutch actuator for controlling an oil pressure for engaging and disengaging the hydraulic clutch mechanism. The clutch actuator structure ensures that noises generated at the times of operation of the clutch actuator for actuating a hydraulic clutch are prevented from being transmitted to the exterior. The clutch actuator structure includes an oil sump part for reserving oil provided in the periphery of a clutch actuator. The clutch actuator is disposed in the oil sump part.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: January 1, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kinya Mizuno, Yoshiaki Tsukada, Takashi Ozeki, Kazuhiro Takeuchi, Yasushi Fujimoto
  • Patent number: 10054197
    Abstract: A shifter gear for reducing a thrust load that occurs in a shifter gear for restraining friction between the shifter gear and a shift fork. A gear part and an engaging part with the shift fork are disposed at an outer periphery of a base part. The spline is disposed at an inner periphery of the base part. The shifter gear is mounted relatively slidable to a gear shift shaft in an axis direction via the spline and is mounted to be incapable of relative rotation around an axis. The shift fork engaging the engaging part is configured to perform a slide operation on the shifter gear. One part of the spline is configured with a splined collar in an axis direction. The splined collar is a different body from the base part and is able to relatively rotate to the part around an axis.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: August 21, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasushi Fujimoto, Hiroyuki Makita, Yasuhiro Higashi, Taku Hirayama
  • Patent number: 10047805
    Abstract: A clutch hydraulic pressure control circuit includes: a shift valve for switching the destination to feed hydraulic pressure to a first hydraulic clutch or a second hydraulic clutch; and first and second shift solenoid valves operating synchronously to actuate the shift valve. The two shift solenoid valves include a holding valve for keeping hydraulic pressure fed to the shift valve even when hydraulic pressure supply through one of the first and second shift solenoid valves happens to be shut off while hydraulic pressure is fed through the first and second shift solenoid valves to paths between the shift valve and the shift solenoid valves, or when hydraulic pressure supply through one of the first and second shift solenoid valves happens to occur while no hydraulic pressure is fed through the shift solenoid valves.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: August 14, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Toshimasa Mitsubori, Dai Arai, Yasushi Fujimoto
  • Patent number: 9933065
    Abstract: A shift fork shaft 123 has both end portions movably fitted in shaft supports 83e and 116a of a gear transmission 82. Clearances are left between bottom surfaces 83g and 116c of the shaft supports 83e and 116a and both end faces 123c of the shift fork shaft 123. Caps 145 are mounted in both axial ends of the shift fork shaft 123.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: April 3, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki Makita, Yasushi Fujimoto, Taku Hirayama, Hirokazu Tanaka
  • Patent number: 9920816
    Abstract: A transmission that reduces the difference of rotational speed when engaging a main shaft-side sprocket and a main shaft-outer shaft, in a low-speed traveling mode. When shifting from first gear to neutral in the transmission, a dog on a drive gear is engaged with a dog hole in a main shaft-side sprocket, engagement between a dog on a driven gear for first gear and a dog hole in a driven gear is released, and then a first clutch and a second clutch are disconnected with the drive gear and the main shaft-side sprocket being engaged.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: March 20, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kinya Mizuno, Yasushi Fujimoto, Eiji Kittaka, Hiroyuki Makita