Patents by Inventor Keiichi Hayashi
Keiichi Hayashi 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: 20240092958Abstract: A thermosetting resin composition containing a maleimide compound (a) having at least one N-substituted maleimide group, and a compound (b) represented by the following general formula (1) exhibiting no reactivity with the maleimide group of the component (a) (Xb1 represents a single bond or a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 5 carbon atoms; Rb1 and Rb2 each independently represent a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 10 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 18 ring carbon atoms, a substituted or unsubstituted heterocyclic aromatic hydrocarbon group having 5 to 20 ring atoms, an oxygen atom-containing group, or a group containing a combination of these groups; and m and n each independently represent an integer of 0 to 5).Type: ApplicationFiled: December 17, 2021Publication date: March 21, 2024Inventors: Koji MORITA, Ryo SHIMOKAWA, Shinji TSUCHIKAWA, Keiichi KASUGA, Chihiro HAYASHI, Tomio IWASAKI
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Patent number: 11703219Abstract: The gas swirling state determination system (10) determines the quality of the swirling state of gas that swirls around the central axis. The gas swirling state determination system (10) includes an imaging device (39), an information processing device (11), and a display device (42). The imaging device (39) captures swirling gas from a direction along the central axis to acquire a still image. The information processing device (11) includes a calculation unit (40), a smoothing unit (41), and a determination unit (43). The display device (42) displays a determination result.Type: GrantFiled: May 21, 2019Date of Patent: July 18, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES ENVIRONMENTAL & CHEMICAL ENGINEERING CO., LTD.Inventors: Tomohiro Harada, Hiroshi Oonuki, Keiichi Hayashi
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Publication number: 20230145883Abstract: A second frame is turnably connected to a first frame. A steering cylinder is connected to the second frame and the first frame. The steering cylinder causes the second frame to turn with respect to the first frame. A hydraulic pump supplies hydraulic fluid to the steering cylinder. An engine drives the hydraulic pump. A steering operating member is operable by an operator. A steering operation sensor outputs a steering command signal corresponding to an operation of the steering operating member. A controller controls a flow rate of the hydraulic fluid supplied from the hydraulic pump to the steering cylinder by controlling a rotation speed of the engine in accordance with the steering command signal.Type: ApplicationFiled: June 18, 2021Publication date: May 11, 2023Inventors: Takahiro HIRAMA, Keiichi HAYASHI
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Publication number: 20230091679Abstract: A work machine, includes steering cylinders that drive a front frame with respect to a rear frame. A directional control valve changes a supply amount of hydraulic fluid to the steering cylinders. A steering wheel operates the directional control valve. A variable capacity pump discharges the hydraulic fluid to the directional control valve. Cylinder stroke sensors are provided for detecting the turning angle of the front frame with respect to the rear frame. A controller reduces the discharge flow rate of the variable capacity pump on the basis of the detection values of the cylinder stroke sensors.Type: ApplicationFiled: June 21, 2021Publication date: March 23, 2023Inventors: Takahiro HIRAMA, Keiichi HAYASHI
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Patent number: 11492781Abstract: A work vehicle includes a steering wheel, a steering cylinder, a steering valve, a feed line, a return line, an electromagnetic valve, and a controller. The steering valve is configured to supply hydraulic fluid to the steering cylinder in response to steering of the steering wheel. The feed line is configured to feed the hydraulic fluid from the steering valve to the steering cylinder. The return line is configured to return the hydraulic fluid from the steering cylinder to the steering valve. The electromagnetic valve is disposed between the feed line and the return line. The controller opens the electromagnetic valve in response to an oil pressure in the feed line.Type: GrantFiled: June 21, 2018Date of Patent: November 8, 2022Assignee: KOMATSU LTD.Inventors: Keiichi Hayashi, Masanori Ikari, Hirotaka Kamekura
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Publication number: 20220259817Abstract: Tipping over of a work machine is prevented. The work machine includes: a vehicular body; a rear axle attached to the vehicular body to be capable of undergoing a roll motion with respect to an axis extending in a front-rear direction of the vehicular body; and a controller. The controller acquires stability of the center of gravity of the vehicular body, and controls the roll motion of the rear axle with respect to the vehicular body based on the stability.Type: ApplicationFiled: September 10, 2020Publication date: August 18, 2022Applicant: KOMATSU LTD.Inventor: Keiichi HAYASHI
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Publication number: 20210164653Abstract: The gas swirling state determination system (10) determines the quality of the swirling state of gas that swirls around the central axis. The gas swirling state determination system (10) includes an imaging device (39), an information processing device (11), and a display device (42). The imaging device (39) captures swirling gas from a direction along the central axis to acquire a still image. The information processing device (11) includes a calculation unit (40), a smoothing unit (41), and a determination unit (43). The display device (42) displays a determination result.Type: ApplicationFiled: May 21, 2019Publication date: June 3, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES ENVIRONMENTAL & CHEMICAL ENGINEERING CO., LTD.Inventors: Tomohiro Harada, Hiroshi Oonuki, Keiichi Hayashi
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Publication number: 20190360173Abstract: A work vehicle includes a steering wheel, a steering cylinder, a steering valve, a feed line, a return line, an electromagnetic valve, and a controller. The steering valve is configured to supply hydraulic fluid to the steering cylinder in response to steering of the steering wheel. The feed line is configured to feed the hydraulic fluid from the steering valve to the steering cylinder. The return line is configured to return the hydraulic fluid from the steering cylinder to the steering valve. The electromagnetic valve is disposed between the feed line and the return line. The controller opens the electromagnetic valve in response to an oil pressure in the feed line.Type: ApplicationFiled: June 21, 2018Publication date: November 28, 2019Inventors: Keiichi HAYASHI, Masanori IKARI, Hirotaka KAMEKURA
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Patent number: 10190768Abstract: A gasification melting facility comprises: a fluidized bed gasification furnace that generates pyrolysis gas by thermally decomposing waste and discharges incombustibles; a melting furnace into which the pyrolysis gas is fed; a pyrolysis gas passage that connects the fluidized bed gasification furnace and the melting furnace; a grinder that grinds the incombustibles discharged from the fluidized bed gasification furnace by passing the incombustibles through a plurality of rods; a vibratory sifter that screens the incombustibles ground in the grinder; a fixed amount feeder that feeds at a fixed amount the incombustibles that pass through the vibratory sifter, the fixed amount feeder including a plurality of transfer chambers rotatable between a position to receive the incombustibles from the vibratory sifter and a position to discharge the incombustibles; and an airflow conveyor that conveys the fixed amount of the incombustibles from the fixed amount feeder together with airflow.Type: GrantFiled: January 26, 2015Date of Patent: January 29, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES ENVIRONMENTAL & CHEMICAL ENGINEERING CO., LTD.Inventors: Toshimasa Shirai, Norio Yoshimitsu, Yoshihisa Saito, Keiichi Hayashi
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Patent number: 9819008Abstract: A negative electrode for lithium-ion secondary battery including a negative electrode that includes a current collector; and a negative-electrode active-material layer formed on a surface of the current collector, and including negative-electrode active-material particles. The negative-electrode active-material particles include an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium, the negative-electrode active-material particles include particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more thereof when the entirety is taken as 100% by volume, and exhibit a “D10” being 3 ?m or more. The negative-electrode active-material layer having a thickness that is 1.4 times or more of a “D90” that said negative-electrode active-material particles exhibit.Type: GrantFiled: December 6, 2016Date of Patent: November 14, 2017Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi Hirakawa, Manabu Miyoshi, Hideaki Shinoda, Takayuki Kato, Keiichi Hayashi, Kayo Mizuno, Yoshikatsu Kawabata, Megumi Yamamoto
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Patent number: 9819009Abstract: A lithium-ion secondary battery including a negative electrode including negative-electrode active-material particles including an element being capable of sorbing and desorbing lithium ions, and being capable of alloying with lithium; or/and an elementary compound including an element that is capable of alloying with lithium; a positive electrode including a positive-electrode active material that enables Li ions to be sorbed therein and desorbed therefrom; and an electrolytic solution made by dissolving an electrolyte in a solvent. The negative-electrode active-material particles include particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more thereof when the entirety of said negative-electrode active-material particles, which are included in said negative electrode, is taken as 100% by volume, and the negative-electrode active-material particles exhibit a “D10” being 3 ?m or more. The solvent in the electrolytic solution includes a fluorinated ethylene carbonate.Type: GrantFiled: December 6, 2016Date of Patent: November 14, 2017Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi Hirakawa, Manabu Miyoshi, Hideaki Shinoda, Takayuki Kato, Keiichi Hayashi, Kayo Mizuno, Yoshikatsu Kawabata, Megumi Yamamoto
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Patent number: 9819007Abstract: A negative-electrode material has negative-electrode active-material particles including: an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium. The negative-electrode active-material particles includes particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more of them when the entirety is taken as 100% by volume, exhibit a BET specific surface area that is 6 m2/g or less, and exhibits a “D50” that is 4.5 ?m or more.Type: GrantFiled: October 3, 2012Date of Patent: November 14, 2017Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi Hirakawa, Manabu Miyoshi, Hideaki Shinoda, Takayuki Kato, Keiichi Hayashi, Kayo Mizuno, Yoshikatsu Kawabata, Megumi Yamamoto
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Patent number: 9735422Abstract: Provided is a negative-electrode active material, which is capable of constituting a lithium ion secondary cell exhibiting excellent cell characteristics. The negative-electrode active material for a lithium ion secondary cell of the invention includes a mixed material of silicon oxide particles composed of silicon oxide and rod-shaped iron oxide particles composed of iron oxide. It is preferable to use iron oxide particles having a plurality of pores in a surface, and an electrode reaction is effectively carried out.Type: GrantFiled: May 10, 2012Date of Patent: August 15, 2017Assignee: NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Keiichi Hayashi, Manabu Miyoshi, Takayuki Hirose, Hitotoshi Murase, Hideyuki Morimoto, Shin-ichi Tobishima
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Publication number: 20170084906Abstract: A negative-electrode stuff has negative-electrode active-material particles including: an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium. The negative-electrode active-material particles includes particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more of them when the entirety is taken as 100% by volume, exhibit a BET specific surface area that is 6 m2/g or less, and exhibits a “D50” that is 4.5 ?m or more.Type: ApplicationFiled: December 6, 2016Publication date: March 23, 2017Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi HIRAKAWA, Manabu MIYOSHI, Hideaki SHINODA, Takayuki KATO, Keiichi HAYASHI, Kayo MIZUNO, Yoshikatsu KAWABATA, Megumi YAMAMOTO
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Publication number: 20170084905Abstract: A negative-electrode stuff has negative-electrode active-material particles including: an element being capable of sorbing and desorbing lithium ions, and being capable of undergoing an alloying reaction with lithium; or/and an elementary compound being capable of undergoing an alloying reaction with lithium. The negative-electrode active-material particles includes particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more of them when the entirety is taken as 100% by volume, exhibit a BET specific surface area that is 6 m2/g or less, and exhibits a “D50” that is 4.5 ?m or more.Type: ApplicationFiled: December 6, 2016Publication date: March 23, 2017Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi HIRAKAWA, Manabu MIYOSHI, Hideaki SHINODA, Takayuki KATO, Keiichi HAYASHI, Kayo MIZUNO, Yoshikatsu KAWABATA, Megumi YAMAMOTO
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Publication number: 20160348903Abstract: A gasification melting facility comprises: a fluidized bed gasification furnace that generates pyrolysis gas by thermally decomposing waste and discharges incombustibles; a melting furnace into which the pyrolysis gas is fed; a pyrolysis gas passage that connects the fluidized bed gasification furnace and the melting furnace; a grinder that grinds the incombustibles discharged from the fluidized bed gasification furnace by passing the incombustibles through a plurality of rods; a vibratory sifter that screens the incombustibles ground in the grinder; a fixed amount feeder that feeds at a fixed amount the incombustibles that pass through the vibratory sifter, the fixed amount feeder including a plurality of transfer chambers rotatable between a position to receive the incombustibles from the vibratory sifter and a position to discharge the incombustibles; and an airflow conveyor that conveys the fixed amount of the incombustibles from the fixed amount feeder together with airflow.Type: ApplicationFiled: January 26, 2015Publication date: December 1, 2016Inventors: Toshimasa SHIRAI, Norio YOSHIMITSU, Yoshihisa SAITO, Keiichi HAYASHI
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Patent number: 9337477Abstract: To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. A lithium ion secondary battery electrode includes a current collector, an active material layer containing a binder formed on a surface of the current collector, and a coated layer formed on the surface of at least a part of the active material layer, wherein the coated layer is an acrylic type copolymer cured substance including an acrylic type main chain and a side chain having polyester or polyether graft-polymerized to the acrylic type main chain and the coated layer is chemically bonded with the binder.Type: GrantFiled: May 2, 2012Date of Patent: May 10, 2016Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Junichi Niwa, Yuichi Hirakawa, Manabu Miyoshi, Keiichi Hayashi, Hitotoshi Murase
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Patent number: 9306220Abstract: To provide a lithium ion secondary battery electrode in which a coated layer is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. A lithium ion secondary battery electrode includes a current collector, an active material layer containing a binder formed on a surface of the current collector, and a coated layer formed on the surface of at least a part of the active material layer, wherein the coated layer contains a silicone-acrylic graft copolymer cured substance including an acrylic type main chain having a functional group and a side chain having a silicone graft-polymerized to the acrylic type main chain, and the coated layer is chemically bonded with the binder.Type: GrantFiled: May 2, 2012Date of Patent: April 5, 2016Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Junichi Niwa, Yuichi Hirakawa, Manabu Miyoshi, Keiichi Hayashi, Hitotoshi Murase
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Publication number: 20160014956Abstract: An electric work vehicle 10 includes: a pair of right and left drive wheels 13; a pair of right and left traveling motors 16 configured to drive the respective drive wheels; and a first work unit MU including a first working portion 45 to execute main work and a first work motor 15 to drive the first working portion 45, wherein provided are: the second work unit SMU including a second working portion 62 to execute secondary work and a second work motor 61 to drive the second working portion 62; and a lateral moving unit capable of integrally moving the second working portion 62 and the second work motor 61 in a lateral direction of the electric work vehicle 10.Type: ApplicationFiled: November 8, 2013Publication date: January 21, 2016Applicant: YANMAR CO., LTD.Inventors: Keiji MATSUMOTO, Keiichi HAYASHI
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Patent number: 9214677Abstract: To provide a lithium ion secondary battery electrode in which a coat is held on a surface of an active material layer over a long period of time to suppress decomposition of the electrolysis solution and to enhance the cyclability, a manufacturing process for the same, and a lithium ion secondary battery using the electrode. A lithium ion secondary battery electrode includes a current collector, an active material layer containing a binder formed on a surface of the current collector, and a coat containing modified polydimethylsiloxane formed on a surface of at least a part of the active material layer, wherein the coat is chemically bonded with the binder.Type: GrantFiled: April 19, 2012Date of Patent: December 15, 2015Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuichi Hirakawa, Manabu Miyoshi, Keiichi Hayashi, Hitotoshi Murase