Patents by Inventor Keiji Yamaguchi
Keiji Yamaguchi 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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Patent number: 11951827Abstract: The work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a controller capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.Type: GrantFiled: May 27, 2022Date of Patent: April 9, 2024Assignee: KUBOTA CORPORATIONInventors: Tsuyoshi Gono, Naoya Nihei, Keiji Takahashi, Susumu Takeoka, Shusaku Yamaguchi, Yoichi Sugihara
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Patent number: 11915070Abstract: An object of the present disclosure is to implement, at a low cost, highly accurate color calibration in a printing apparatus that performs printing using fluorescent ink. One embodiment of the present invention is an image processing apparatus that includes: a processing unit configured to perform processing relating to color calibration in a printing apparatus that prints an image on a printing medium using fluorescent printing material; and an execution unit configured to perform calibration processing of the printing apparatus based on a measured value that is obtained by measuring a patch chart for obtaining information on an amount of application of the fluorescent printing material in the printing apparatus, wherein a patch included in the patch chart is printed with the fluorescent printing material and subtractive color mixture printing material and at least one dot of the subtractive color mixture printing material covers a dot of the fluorescent printing material.Type: GrantFiled: February 4, 2022Date of Patent: February 27, 2024Assignee: Canon Kabushiki KaishaInventors: Seiji Abe, Naoko Baba, Kouta Murasawa, Hiromitsu Yamaguchi, Keiji Kuriyama, Yuki Igarashi, Hiroshi Mori
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Patent number: 10407100Abstract: The present disclosure provides a vehicle body frame structure including: a side rail extending in a vehicle longitudinal direction and disposed so as to face a front tire in a vehicle transverse direction; a cab mount member projecting toward a vehicle transverse direction outer side, from a region of the side rail that is further toward a vehicle rear side than the front tire, and to which a body is mounted; and a projecting portion projecting toward the front tire from a region of the cab mount member that is away from the side rail in the vehicle transverse direction.Type: GrantFiled: December 5, 2017Date of Patent: September 10, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masahiro Onoda, Keiji Yamaguchi, Yoshiki Komatsu, Kento Shigeishi, Takaaki Onodera
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Publication number: 20180201323Abstract: The present disclosure provides a vehicle body frame structure including: a side rail extending in a vehicle longitudinal direction and disposed so as to face a front tire in a vehicle transverse direction; a cab mount member projecting toward a vehicle transverse direction outer side, from a region of the side rail that is further toward a vehicle rear side than the front tire, and to which a body is mounted; and a projecting portion projecting toward the front tire from a region of the cab mount member that is away from the side rail in the vehicle transverse direction.Type: ApplicationFiled: December 5, 2017Publication date: July 19, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masahiro Onoda, Keiji Yamaguchi, Yoshiki Komatsu, Kento Shigeishi, Takaaki Onodera
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Patent number: 9809187Abstract: A vehicle bumper structure including: bumper reinforcement inside of a bumper cover provided at a front-rear direction outside end of a vehicle; an absorber disposed adjacent to the vehicle front-rear direction outside of the bumper reinforcement; a pedestrian collision detection sensor including a pressure tube extending between the bumper reinforcement and the absorber, bending toward a vehicle lower side at positions of both vehicle width direction end portions of the bumper reinforcement, including a left and right pair of tube end portions extending along a vehicle up-down direction, and outputting a signal according to a change in pressure in the pressure tube; and a reinforcement member, the reinforcement member being provided to a vehicle front-rear direction inside face of the bumper cover, reinforcing the bumper cover, and being disposed in a position superimposed in the vehicle front-rear direction on the tube end portion in plan view.Type: GrantFiled: June 27, 2016Date of Patent: November 7, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiji Yamaguchi, Yasushi Nagaoka, Naoya Higashimachi, Yusuke Mase
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Publication number: 20170043735Abstract: A vehicle bumper structure including: bumper reinforcement inside of a bumper cover provided at a front-rear direction outside end of a vehicle; an absorber disposed adjacent to the vehicle front-rear direction outside of the bumper reinforcement; a pedestrian collision detection sensor including a pressure tube extending between the bumper reinforcement and the absorber, bending toward a vehicle lower side at positions of both vehicle width direction end portions of the bumper reinforcement, including a left and right pair of tube end portions extending along a vehicle up-down direction, and outputting a signal according to a change in pressure in the pressure tube; and a reinforcement member, the reinforcement member being provided to a vehicle front-rear direction inside face of the bumper cover, reinforcing the bumper cover, and being disposed in a position superimposed in the vehicle front-rear direction on the tube end portion in plan view.Type: ApplicationFiled: June 27, 2016Publication date: February 16, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiji YAMAGUCHI, Yasushi NAGAOKA, Naoya HIGASHIMACHI, Yusuke MASE
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Patent number: 8875352Abstract: A braking structure for a turning body includes an engagement device rotatably engaging a movable-side portion of a rotation damper with a base at a rotation center of the movable-side portion; a first fixing device fixing the movable-side portion relative to the turning body; and a second fixing device fixing a stationary-side portion of the rotation damper relative to the base. The engagement device includes an axis protrusion provided on one side of either the movable-side portion or the base, and a receiving portion provided on the other side of either the movable-side portion or the base, and receiving the axis protrusion from a direction perpendicular to a rotation axis of the rotation. Also, an inserting path for the axis protrusion continuing to the receiving portion is adapted to expand in the direction perpendicular to the rotation axis by an elastic deformation when the inserting path receives the axis protrusion.Type: GrantFiled: November 12, 2010Date of Patent: November 4, 2014Assignee: Nifco Inc.Inventors: Masatora Seto, Keiji Yamaguchi, Shuichi Yuda
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Patent number: 8376300Abstract: An apparatus includes a supporting body, a rotating body assembled with the supporting body and rotating at least between a standard position and a deployed position through an intermediate position, and a biasing device for applying a biasing force to the rotating device in a direction of returning the rotating body to the standard position. A speed switching device changes a rotational speed of the rotating body from the deployed position to the intermediate position different from that from the intermediate position to the standard position in a return rotational movement of the rotating body. The speed switching device includes at least two damping devices; at least two first gears attached to the damping devices for applying damping forces of the damping devices to the rotating body; and at least two second gears formed integrally on the rotating body.Type: GrantFiled: January 12, 2012Date of Patent: February 19, 2013Assignee: NIFCO Inc.Inventors: Ryuhei Nishida, Keiji Yamaguchi, Takehiko Nemoto
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Patent number: 8308353Abstract: An ear thermometer which includes a temperature detection element and infrared detection element arranged near the opening portion of a probe achieves a reduction in manufacturing cost while reducing the influence of thermal shock. This invention provides an ear thermometer incorporating, in a probe, a temperature detection element to detect an environmental temperature and an infrared detection element to detect infrared radiation emitted from a temperature measurement region in an earhole. The probe includes an end face portion having an opening in its distal end, an inner surface portion of a hollow cylindrical member, and an inwardly protruding engaging portion. A detection element housing is fixed to close the opening of the probe and to form an air layer between the detection element housing and the probe.Type: GrantFiled: August 10, 2009Date of Patent: November 13, 2012Assignee: Terumo Kabushiki KaishaInventor: Keiji Yamaguchi
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Publication number: 20120273310Abstract: A braking structure for a turning body includes an engagement device rotatably engaging a movable-side portion of a rotation damper with a base at a rotation center of the movable-side portion; a first fixing device fixing the movable-side portion relative to the turning body; and a second fixing device fixing a stationary-side portion of the rotation damper relative to the base. The engagement device includes an axis protrusion provided on one side of either the movable-side portion or the base, and a receiving portion provided on the other side of either the movable-side portion or the base, and receiving the axis protrusion from a direction perpendicular to a rotation axis of the rotation. Also, an inserting path for the axis protrusion continuing to the receiving portion is adapted to expand in the direction perpendicular to the rotation axis by an elastic deformation when the inserting path receives the axis protrusion.Type: ApplicationFiled: November 12, 2010Publication date: November 1, 2012Applicant: NIFCO INC.Inventors: Masatora Seto, Keiji Yamaguchi, Shuichi Yuda
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Patent number: 8259196Abstract: A comparator includes: a signal input terminal; a capacitor connected between the signal input terminal and a signal line; and a switching transistor for calibration which is turned on/off to periodically charge the capacitor with a voltage difference between a signal voltage and an operating point of the comparator, wherein an on-resistance of the switching transistor which is turned on when performing the charging is dynamically controlled by a control pulse having a limited amplitude.Type: GrantFiled: June 30, 2009Date of Patent: September 4, 2012Assignee: Sony CorporationInventors: Rei Yoshikawa, Atsushi Suzuki, Keiji Yamaguchi
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Patent number: 8186638Abstract: An apparatus includes a supporting body, a rotating body assembled with the supporting body and rotating at least between a standard position and a deployed position through an intermediate position, and a biasing device for applying a biasing force to the rotating device in a direction of returning the rotating body to the standard position. A speed switching device changes a rotational speed of the rotating body from the deployed position to the intermediate position different from that from the intermediate position to the standard position in a return rotational movement of the rotating body.Type: GrantFiled: October 3, 2008Date of Patent: May 29, 2012Assignee: NIFCO Inc.Inventors: Ryuhei Nishida, Keiji Yamaguchi, Takehiko Nemoto
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Publication number: 20120104208Abstract: An apparatus includes a supporting body, a rotating body assembled with the supporting body and rotating at least between a standard position and a deployed position through an intermediate position, and a biasing device for applying a biasing force to the rotating device in a direction of returning the rotating body to the standard position. A speed switching device changes a rotational speed of the rotating body from the deployed position to the intermediate position different from that from the intermediate position to the standard position in a return rotational movement of the rotating body. The speed switching device includes at least two damping devices; at least two first gears attached to the damping devices for applying damping forces of the damping devices to the rotating body; and at least two second gears formed integrally on the rotating body.Type: ApplicationFiled: January 12, 2012Publication date: May 3, 2012Applicant: NIFCO INC.Inventors: Ryuhei NISHIDA, Keiji YAMAGUCHI, Takehiko NEMOTO
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Patent number: 8126672Abstract: An ear-type thermometer which measures body temperature using a temperature detection element 21 that detects ambient temperature and an infrared detection element 22 that detects infrared radiation from a measurement site within the aural cavity, the 2 elements housed in a probe 3, wherein the ear-type thermometer comprises a probe cover 10 which can be detachably provided with the probe, a detection switch 60 which detects that the probe cover is attached or detached to the probe, and two temperature conversion coefficients 52a and 52b which corrects body temperature based on the detection result from the two detection elements.Type: GrantFiled: September 25, 2009Date of Patent: February 28, 2012Assignee: Terumo Kabushiki KaishaInventors: Keiji Yamaguchi, Hideo Harada
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Publication number: 20100017163Abstract: An ear-type thermometer which measures body temperature using a temperature detection element 21 that detects ambient temperature and an infrared detection element 22 that detects infrared radiation from a measurement site within the aural cavity, the 2 elements housed in a probe 3, wherein the ear-type thermometer comprises a probe cover 10 which can be detachably provided with the probe, a detection switch 60 which detects that the probe cover is attached or detached to the probe, and two temperature conversion coefficients 52a and 52b which corrects body temperature based on the detection result from the two detection elements.Type: ApplicationFiled: September 25, 2009Publication date: January 21, 2010Applicant: TERUMO KABUSHIKI KAISHAInventors: Keiji Yamaguchi, Hideo Harada
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Publication number: 20100002120Abstract: A comparator includes: a signal input terminal; a capacitor connected between the signal input terminal and a signal line; and a switching transistor for calibration which is turned on/off to periodically charge the capacitor with a voltage difference between a signal voltage and an operating point of the comparator, wherein an on-resistance of the switching transistor which is turned on when performing the charging is dynamically controlled by a control pulse having a limited amplitude.Type: ApplicationFiled: June 30, 2009Publication date: January 7, 2010Applicant: SONY CORPORATIONInventors: Rei Yoshikawa, Atsushi Suzuki, Keiji Yamaguchi
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Publication number: 20090296775Abstract: An ear thermometer which includes a temperature detection element and infrared detection element arranged near the opening portion of a probe achieves a reduction in manufacturing cost while reducing the influence of thermal shock. This invention provides an ear thermometer incorporating, in a probe, a temperature detection element to detect an environmental temperature and an infrared detection element to detect infrared radiation emitted from a temperature measurement region in an earhole. The probe includes an end face portion having an opening in its distal end, an inner surface portion of a hollow cylindrical member, and an inwardly protruding engaging portion. A detection element housing is fixed to close the opening of the probe and to form an air layer between the detection element housing and the probe.Type: ApplicationFiled: August 10, 2009Publication date: December 3, 2009Applicant: TERUMO KABUSHIKI KAISHAInventor: Keiji YAMAGUCHI
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Publication number: 20090277735Abstract: A rotary damper is provided so that air incorporated into a housing during assembly is, not excessively compressed, whereby a generation of a peculiar sound due to the air incorporated into the housing can be prevented even though the rotor rotates in both directions, and so that the air is stopped and captured in a fixed place whereby influence on the generated torque can be reduced, and irregularity of the torque can be reduced progressively. A rotary damper includes a housing (11, 51), silicon oil housed inside the housing (11, 51), a rotor 31 housed inside the housing (11, 51), and having a shaft member (32) projecting from the housing (11, 51) and having a resistance member (36) moving through the silicon oil (21) inside the housing (11, 51), and an O-ring (61) for preventing leakage of the silicon oil (21) from between the shaft member (32) and the housing (51). A circumferential groove (54) is provided on an inner face of the housing (51) facing the resistance member (36).Type: ApplicationFiled: December 27, 2006Publication date: November 12, 2009Inventors: Keiji Yamaguchi, Naoto Jinbo, Shigemitsu Tomita, Syunsuke Okabayashi, Ayako Kitakawa, Bunkin Tou, Yuki Hirano, Kazuyoshi Koizumi, Yoshihisa Takei
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Publication number: 20090250579Abstract: An apparatus includes a supporting body, a rotating body assembled with the supporting body and rotating at least between a standard position and a deployed position through an intermediate position, and a biasing device for applying a biasing force to the rotating device in a direction of returning the rotating body to the standard position. A speed switching device changes a rotational speed of the rotating body from the deployed position to the intermediate position different from that from the intermediate position to the standard position in a return rotational movement of the rotating body.Type: ApplicationFiled: October 3, 2008Publication date: October 8, 2009Applicant: NIFCO INC.Inventors: Ryuhei Nishida, Keiji Yamaguchi, Takehiko Nemoto
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Patent number: D584315Type: GrantFiled: July 18, 2008Date of Patent: January 6, 2009Assignee: Nifco Inc.Inventor: Keiji Yamaguchi