Patents by Inventor Takafumi Komatsu
Takafumi Komatsu 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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Publication number: 20240123845Abstract: An electric work vehicle includes an on-board charger, a power reception connector enabling attachment and detachment of a charging cable that is to be connected to the on-board charger, and an energizing cable that connects the power reception connector and the on-board charger to each other. Charging ports that enable attachment and detachment of the power reception connector are provided in both a left side portion of a body and a right side portion of the body. The charging ports are provided at positions higher than upper ends of travel devices.Type: ApplicationFiled: October 17, 2023Publication date: April 18, 2024Inventors: Tatsuya Nagatomi, Takafumi Komatsu
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Publication number: 20220226548Abstract: Aspects of the invention relate to a metal material and product made from the metal material having biological properties, such as antibiotic properties.Type: ApplicationFiled: September 27, 2019Publication date: July 21, 2022Applicant: KOMATSUSEIKI KOSAKUSHO CO., LTD.Inventors: Fumie Yusa, Thomas J. Webster, Takafumi Komatsu
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Publication number: 20220010417Abstract: Aspects of the invention relate to a metal material and article made from the metal material having biological properties, such as antibiotic properties.Type: ApplicationFiled: March 20, 2020Publication date: January 13, 2022Applicant: KOMATSUSEIKI KOSAKUSHO CO., LTD.Inventors: Fumie Yusa, Thomas J. Webster, Takafumi Komatsu
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Publication number: 20210298320Abstract: Provided is a metal material capable of optimizing a response of a fermentative microorganism, a method of controlling a response of a fermentative microorganism, and a method of producing a fermented food product. A metal material includes a crystal grain having an average crystal grain size for controlling a response of a fermentative microorganism. The average crystal grain size of the crystal grain is preferably 100 nm or more and 10 ?m or less. The metal material is preferably stainless steel. It is preferable that the response of the fermentative microorganism is adsorption or growth of the fermentative microorganism on the metal material.Type: ApplicationFiled: September 27, 2019Publication date: September 30, 2021Applicant: KOMATSUSEIKI KOSAKUSHO CO., LTD.Inventors: Takafumi Komatsu, Fumie Yusa
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Patent number: 11059367Abstract: A work vehicle is disclosed that includes an elastic support mechanism for supporting an exhaust muffler. The elastic support mechanism includes a support platform member, elastic cylindrical members and a bar-shaped member. The support platform member is supported by a rear-linking frame bar to adjust a position of the support platform member along one of lateral and longitudinal directions of the body frame. An elastic cylindrical member is supported by one of the support platform member and the exhaust muffler. The elastic cylindrical member has an axis extending along the other of the lateral and longitudinal directions, and is supported at a single position, in a direction of the axis, of one of the support platform member and the exhaust muffler. A bar-shaped member supported by the other of the support platform member and the exhaust muffler is fitted into the elastic cylindrical member to be supported by the elastic cylindrical member.Type: GrantFiled: May 17, 2019Date of Patent: July 13, 2021Assignee: Kubota CorporationInventors: Yoshinori Oyama, Kimihiro Kai, Hiroshi Takagi, Toshiki Ono, Kohta Nakao, Takafumi Komatsu, Kensuke Okabe, Yuki Nakaoka
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Patent number: 11054393Abstract: A non-contact sensor is disclosed wherein magnetic circuits are constituted by an excitation coil, a first detection coil, and a second detection coil, and the first detection coil and the second detection coil are configured so as to be symmetrical with each other in terms of the magnetic circuits. An inspection system includes: a first input unit to which a signal from the first detection coil is input; a second input unit to which a signal from the second detection coil is input; a difference calculating unit that calculates a difference between a first signal from the first input unit and a second signal from the second input unit; a signal processing unit that processes a difference signal calculated by the difference calculating unit; and an oscillation unit that generates an excitation signal for the excitation coil and a reference signal for the signal processing unit.Type: GrantFiled: October 13, 2016Date of Patent: July 6, 2021Assignees: NAGANO PREFECTURAL GOVERNMENT, KOMATSU SEIKI KOSAKUSHO CO., LTD.Inventors: Keigo Oguchi, Takafumi Komatsu
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Publication number: 20200292498Abstract: A non-contact sensor is disclosed wherein magnetic circuits are constituted by an excitation coil, a first detection coil, and a second detection coil, and the first detection coil and the second detection coil are configured so as to be symmetrical with each other in terms of the magnetic circuits. An inspection system includes: a first input unit to which a signal from the first detection coil is input; a second input unit to which a signal from the second detection coil is input; a difference calculating unit that calculates a difference between a first signal from the first input unit and a second signal from the second input unit; a signal processing unit that processes a difference signal calculated by the difference calculating unit; and an oscillation unit that generates an excitation signal for the excitation coil and a reference signal for the signal processing unit.Type: ApplicationFiled: October 13, 2016Publication date: September 17, 2020Applicants: NAGANO PREFECTURAL GOVERNMENT, Komatsu Seiki Kosakusho Co., Ltd.Inventors: Keigo Oguchi, Takafumi Komatsu
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Patent number: 10746719Abstract: A soil analyzing device includes: a sensor having an excitation coil and a detection coil; a measurement unit that generates an excitation signal to be input to the excitation coil, and processes a detection signal output from the detection coil; a storage unit that stores data concerning the correlation between a quantitative value of the soil fertility characteristics including CEC of two or more types of the soil having different components and an estimated value of the soil fertility characteristics including CEC found from the processed detection signal measured by the sensor and the measurement unit; and an estimation unit that estimates the soil fertility characteristics based on the detection signal generated by allowing the sensor to apply the alternating magnetic field to the soil to be analyzed and processed by the measurement unit, and by using the data stored in the storage unit.Type: GrantFiled: June 19, 2017Date of Patent: August 18, 2020Assignees: KOMATSU SEIKI KOSAKUSHO CO., LTD, NATIONAL UNIVERSITY CORPORATION SHINSHU UNIVERSITYInventors: Takafumi Komatsu, Tsunaki Misawa, Naoto Inoue, Eishi Momosaki, Koji Orii
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Patent number: 10457317Abstract: Disclosed is a vehicle including a steering wheel arranged offset toward one side in a vehicle body right/left direction, and an electric power steering unit. The electric power steering unit includes a link mechanism operably connected to the steering wheel and extending from a right/left center side of the steering wheel toward a vehicle body right/left center side to be operably connected to a wheel side, an assist device for the link mechanism, a control lever arranged adjacent the vehicle body right/left center in the vicinity of the steering wheel, a rotation shaft operably connected to the control lever to be rotated about a right/left axis that extends in the vehicle body right/left direction, and a control cable operably connected to the rotation shaft. A base end portion of the control cable is more offset toward the one side than the assist device.Type: GrantFiled: October 6, 2017Date of Patent: October 29, 2019Assignee: Kubota CorporationInventors: Hiroshi Takagi, Hiroki Bessho, Takafumi Komatsu, Kensuke Okabe, Takeshi Satozono
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Publication number: 20190310238Abstract: A soil analyzing device includes: a sensor having an excitation coil and a detection coil; a measurement unit that generates an excitation signal to be input to the excitation coil, and processes a detection signal output from the detection coil; a storage unit that stores data concerning the correlation between a quantitative value of the soil fertility characteristics including CEC of two or more types of the soil having different components and an estimated value of the soil fertility characteristics including CEC found from the processed detection signal measured by the sensor and the measurement unit; and an estimation unit that estimates the soil fertility characteristics based on the detection signal generated by allowing the sensor to apply the alternating magnetic field to the soil to be analyzed and processed by the measurement unit, and by using the data stored in the storage unit.Type: ApplicationFiled: June 19, 2017Publication date: October 10, 2019Applicants: Komatsu Seiki Kosakusho Co., Ltd., National University Corporation Shinshu UniversityInventors: Takafumi Komatsu, Tsunaki Misawa, Naoto Inoue, Eishi Momosaki, Koji Orii
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Publication number: 20190270377Abstract: A work vehicle is disclosed that includes an elastic support mechanism for supporting an exhaust muffler. The elastic support mechanism includes a support platform member, an elastic cylindrical members and an bar-shaped member. The support platform member is supported by a rear-linking frame bar to adjust a position of the support platform member along one of lateral and longitudinal directions of the body frame. An elastic cylindrical member supported by one of the support platform member and the exhaust muffler. The elastic cylindrical member has an axis extending along the other of the lateral and longitudinal directions, and is supported at a single position, in a direction of the axis, of said one of the support platform member and the exhaust muffler. A bar-shaped member supported by the other of the support platform member and the exhaust muffler is fitted into the elastic cylindrical member to be supported by the elastic cylindrical member.Type: ApplicationFiled: May 17, 2019Publication date: September 5, 2019Inventors: Yoshinori Oyama, Kimihiro Kai, Hiroshi Takagi, Toshiki Ono, Kohta Nakao, Takafumi Komatsu, Kensuke Okabe, Yuki Nakaoka
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Patent number: 10343513Abstract: A work vehicle is disclosed that includes an elastic support mechanism for supporting an exhaust muffler. The elastic support mechanism includes a support platform member, an elastic cylindrical members and an bar-shaped member. The support platform member is supported by a rear-linking frame bar to adjust a position of the support platform member along one of lateral and longitudinal directions of the body frame. An elastic cylindrical member supported by one of the support platform member and the exhaust muffler. The elastic cylindrical member has an axis extending along the other of the lateral and longitudinal directions, and is supported at a single position, in a direction of the axis, of said one of the support platform member and the exhaust muffler. A bar-shaped member supported by the other of the support platform member and the exhaust muffler is fitted into the elastic cylindrical member to be supported by the elastic cylindrical member.Type: GrantFiled: December 4, 2017Date of Patent: July 9, 2019Assignee: Kubota CorporationInventors: Yoshinori Oyama, Kimihiro Kai, Hiroshi Takagi, Toshiki Ono, Kohta Nakao, Takafumi Komatsu, Kensuke Okabe, Yuki Nakaoka
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Patent number: 10124659Abstract: Provided is a utility work vehicle including an engine section, a speed changer device and a belt type stepless speed changer device, a rear frame supporting the engine section, and a main frame supporting the rear frame. The rear frame includes right and left rear wheel supporting portions, each of which has a front supporting member and a rear supporting member extending upwards from the rear frame. The rear supporting member disposed on more rear side of the vehicle body than the belt type stepless speed changer device has its upper end connected to a rear frame portion of the main frame. The front supporting member is disposed on more laterally outer side of the vehicle body than the belt type stepless speed changer device. Between an upper end of the front supporting member and the rear frame portion, there is formed a space that allows attachment/detachment of a speed changer cover detachably attached to the belt type stepless speed changer device from a laterally outer side of the vehicle body.Type: GrantFiled: May 25, 2016Date of Patent: November 13, 2018Assignee: Kubota CorporationInventors: Hiroki Bessho, Kensuke Okabe, Taro Nakamura, Junichi Fujiwara, Toshiki Ono, Takafumi Komatsu
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Publication number: 20180154765Abstract: A work vehicle is disclosed that includes an elastic support mechanism for supporting an exhaust muffler. The elastic support mechanism includes a support platform member, an elastic cylindrical members and an bar-shaped member. The support platform member is supported by a rear-linking frame bar to adjust a position of the support platform member along one of lateral and longitudinal directions of the body frame. An elastic cylindrical member supported by one of the support platform member and the exhaust muffler. The elastic cylindrical member has an axis extending along the other of the lateral and longitudinal directions, and is supported at a single position, in a direction of the axis, of said one of the support platform member and the exhaust muffler. A bar-shaped member supported by the other of the support platform member and the exhaust muffler is fitted into the elastic cylindrical member to be supported by the elastic cylindrical member.Type: ApplicationFiled: December 4, 2017Publication date: June 7, 2018Inventors: Yoshinori Oyama, Kimihiro Kai, Hiroshi Takagi, Toshiki Ono, Kohta Nakao, Takafumi Komatsu, Kensuke Okabe, Yuki Nakaoka
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Patent number: 9937779Abstract: Vehicle according to the present invention includes a traveling vehicle body and left and right drive wheels. Left and right propulsion motors drive the left and right drive wheels. A battery supplies electric power to the left and right propulsion motors. The left and right drive wheels are positioned on two width-direction ends of the traveling vehicle body. The left and right propulsion motors are positioned on the traveling vehicle body so as to align with the left and right drive wheels in the width direction of the vehicle body. The battery is positioned in a battery installation space of the traveling vehicle body. The battery installation space is located in at least a space located below the left and right propulsion motors.Type: GrantFiled: March 10, 2014Date of Patent: April 10, 2018Assignee: KUBOTA CORPORATIONInventors: Kazuo Koike, Hirokazu Ito, Takafumi Komatsu
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Publication number: 20180043926Abstract: Disclosed is a vehicle including a steering wheel arranged offset toward one side in a vehicle body right/left direction, and an electric power steering unit. The electric power steering unit includes a link mechanism operably connected to the steering wheel and extending from a right/left center side of the steering wheel toward a vehicle body right/left center side to be operably connected to a wheel side, an assist device for the link mechanism, a control lever arranged adjacent the vehicle body right/left center in the vicinity of the steering wheel, a rotation shaft operably connected to the control lever to be rotated about a right/left axis that extends in the vehicle body right/left direction, and a control cable operably connected to the rotation shaft. A base end portion of the control cable is more offset toward the one side than the assist device.Type: ApplicationFiled: October 6, 2017Publication date: February 15, 2018Inventors: Hiroshi Takagi, Hiroki Bessho, Takafumi Komatsu, Kensuke Okabe, Takeshi Satozono
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Patent number: 9885668Abstract: A surface inspection device includes an opening defining an aperture plane, one or more optical transceivers, and a processor. Each optical transceiver includes a light emitter and a light receiver that are arranged in different directions with respect to the aperture plane when viewed from above a virtual normal line of the aperture plane. The processor acquires detection values from the optical transceivers and calculates an evaluation value of a degree of variation in the detection values.Type: GrantFiled: July 21, 2015Date of Patent: February 6, 2018Assignee: Konica Minolta, Inc.Inventors: Takafumi Komatsu, Yoshihisa Abe, Wataru Yamaguchi, Yosuke Takebe
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Patent number: 9796406Abstract: Disclosed is a vehicle including a steering wheel arranged offset toward one side in a vehicle body right/left direction, and an electric power steering unit. The electric power steering unit includes a link mechanism operably connected to the steering wheel and extending from a right/left center side of the steering wheel toward a vehicle body right/left center side to be operably connected to a wheel side, an assist device for the link mechanism, a control lever arranged adjacent the vehicle body right/left center in the vicinity of the steering wheel, a rotation shaft operably connected to the control lever to be rotated about a right/left axis that extends in the vehicle body right/left direction, and a control cable operably connected to the rotation shaft. A base end portion of the control cable is more offset toward the one side than the assist device.Type: GrantFiled: May 26, 2016Date of Patent: October 24, 2017Assignee: Kubota CorporationInventors: Hiroshi Takagi, Hiroki Bessho, Takafumi Komatsu, Kensuke Okabe, Takeshi Satozono
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Publication number: 20170261439Abstract: A surface inspection device includes an opening defining an aperture plane, one or more optical transceivers, and a processor. Each optical transceiver includes a light emitter and a light receiver that are arranged in different directions with respect to the aperture plane when viewed from above a virtual normal line of the aperture plane. The processor acquires detection values from the optical transceivers and calculates an evaluation value of a degree of variation in the detection values.Type: ApplicationFiled: July 21, 2015Publication date: September 14, 2017Applicant: Konica Minolta, Inc.Inventors: Takafumi Komatsu, Yoshihisa Abe, Wataru Yamaguchi, Yosuke Takebe
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Patent number: 9548638Abstract: An alignment stage including: a base plate; one or more X direction thrust generation guide mechanisms for generating thrust and performing guidance in the direction of a straight line X; a pair of lower plates disposed above the X direction thrust generation guide mechanisms; a pair of upper plates provided corresponding to the lower plates, respectively; a pair of rotatable bearings disposed between the lower plates and the upper plates; one or more Y direction thrust generation guide mechanisms for generating thrust and performing guidance in the direction of a straight line Y perpendicular to the straight line X; and a table plate disposed above the Y direction thrust generation guide mechanisms. With this configuration, it is possible for the alignment stage to be compact and easy to assemble.Type: GrantFiled: November 25, 2011Date of Patent: January 17, 2017Assignee: THK CO., LTD.Inventors: Takafumi Komatsu, Katsuya Fukushima