Patents by Inventor Kazuhiro Nishikawa
Kazuhiro Nishikawa 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: 12284958Abstract: A cytoplasmic male sterile Brassica rapa plant is provided having a growth ability equivalent to that of a Brassica rapa plant having a normal cytoplasm or a progeny of the cytoplasmic male sterile Brassica rapa plant. For example, it is possible to improve the deterioration of growth ability which has been observed in the conventional cytoplasmic male sterile B. rapa plants and provide a cytoplasmic male sterile Brassica rapa plant having an improved growth ability.Type: GrantFiled: April 17, 2020Date of Patent: April 29, 2025Assignee: SAKATA SEED CORPORATIONInventors: Shingo Horiuchi, Takao Suzuki, Atsushi Izumida, Kazuhiro Nishikawa
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Publication number: 20250074751Abstract: This method for setting a hoist that is equipped with an encoder for detecting the rotation speed of a drive motor and that lifts and lowers an article by rotating a load sheave using a driving force of the drive motor so as to roll up and roll down a load chain, the method comprising: a drive step for driving the drive motor at a constant rotation speed while applying a tensile force to the load chain; a storage step for storing, in a storage means, positional information obtained from the encoder in the drive step and a motor torque command value for controlling the drive motor in association with said positional information; and a speed correction curve calculation step for calculating a speed correction curve for driving the drive motor on the basis of cyclical variations in the motor torque command value stored in the storage step.Type: ApplicationFiled: December 16, 2022Publication date: March 6, 2025Applicant: KITO CORPORATIONInventor: Kazuhiro NISHIKAWA
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Patent number: 12158313Abstract: A liquid cooling jacket includes a base portion and a protruding portion protruding from an end surface on a first side in a third direction of the base portion in the third direction. A heat dissipation assembly includes a recessed portion recessed from an end surface on a second side in the third direction. A refrigerant flow path having a width in the second direction is between the end surface on the first side in the third direction of the base portion and the end surface on the second side in the third direction of the heat dissipation assembly. A position of the recessed portion coincides with a position of the protruding portion. An end portion of the protruding portion is farther on the second side in the first direction than an end portion on the first side in the first direction of the recessed portion.Type: GrantFiled: September 1, 2022Date of Patent: December 3, 2024Assignee: NIDEC CORPORATIONInventors: Kazuhiro Nishikawa, Koji Murakami
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Publication number: 20240312870Abstract: At least one of a plurality of fins includes a plurality of fin regions in a first direction, the plurality of fin regions facing a plurality of semiconductor elements in a third direction, the plurality of the semiconductor elements being disposed in the first direction, and the plurality of fin regions includes two or more fin regions each of which includes the side wall part provided with a spoiler. The spoiler is equal in number between the two or more fin regions, and flow path resistance due to structure of the spoiler in each of the fin regions increases from an upstream side toward a downstream side of the corresponding one of the fin regions through which a refrigerant flows.Type: ApplicationFiled: December 27, 2023Publication date: September 19, 2024Inventors: Kazuhiro NISHIKAWA, Yuta HORI
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Publication number: 20240312871Abstract: A heat radiating member includes: a base part in a plate shape that extends in a first direction along a refrigerant flow direction and in a second direction orthogonal to the first direction; a heat radiating fin part formed by stacking a plurality of fins in the second direction, the plurality of fins protruding from the base part toward a first side; and a plurality of flow path channels formed in the second direction in the heat radiating fin part, a first flow path channel through which the refrigerant passes through a region facing a semiconductor element, the semiconductor element being disposed on a second side in the base part; and a second flow path channel through which the refrigerant does not pass, and the first flow path channel having a lower average flow path resistance than the second flow path channel.Type: ApplicationFiled: November 29, 2023Publication date: September 19, 2024Inventor: Kazuhiro NISHIKAWA
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Publication number: 20240297097Abstract: A fin includes spoilers along a first direction. Each spoiler protrudes in a second direction only at one position on a periphery of an opening passing through a side plate part in the second direction, and is inclined to a first side in the first direction that is a downstream side and a second side in the third direction. An upstream spoiler includes a first end on the second side in the first direction. The first end includes, on the second side in the third direction, a second end on the first side from a center of the side plate part in the third direction. A part of at least one downstream spoiler is on the second side in the third direction from a fourth end on the second side in the third direction of a third end on the second side in the first direction of the upstream spoiler.Type: ApplicationFiled: February 27, 2024Publication date: September 5, 2024Inventor: Kazuhiro NISHIKAWA
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Publication number: 20240286873Abstract: In a transport system, when transporting a suspension means other than at the time of dynamic lift-off when a package is lifted or other than at the time of landing when the package is placed, a third control means executes holding control to perform holding by a holding means, a first control means executes torque control to lower the suspension means when the load increases and to hoist the suspension means when the load decreases, at the time of dynamic lift-off when the package is lifted from the placement surface, or at the time of landing when the package is placed on the placement surface, the third control means executes release control to release the holding by the holding means, and the first control means executes the height control in which the hoisting machine is actuated to control moving the holding means to the target height.Type: ApplicationFiled: June 27, 2022Publication date: August 29, 2024Applicant: KITO CORPORATIONInventor: Kazuhiro NISHIKAWA
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Patent number: 12061057Abstract: A heat dissipator includes a plate-shaped base portion that extends in a first direction along a direction where a refrigerant flows and in a second direction orthogonal to the first direction and has a thickness in a third direction, and fins that protrude from the base portion to one side in the third direction, extend in the first direction, are arranged in the second direction, and guide the refrigerant. A second of the fins is provided continuously on one side in the first direction that is a downstream side of a first of the fins, and a third fin that is provided continuously on another side in the first direction of the first fin, and includes an end on the one side in the third direction on the other side in the third direction.Type: GrantFiled: May 13, 2022Date of Patent: August 13, 2024Assignees: NIDEC CORPORATION, NIDEC CHAUN-CHOUNG TECHNOLOGY CORPORATIONInventors: Kazuhiro Nishikawa, Yi-Huan Kao
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Patent number: 12012316Abstract: A winding machine wherein a motor control means is able to control driving of a drive motor in a balancer mode, and the balancer mode includes a first balancer mode in which driving of the drive motor is controlled based on a first torque command value with an assist torque that assists the operating force added thereto, and a second balancer mode in which driving of the drive motor is controlled based on a second torque command value that does not assist the operating force, and a lifting/lowering position range is set to a first position range where control is performed in the first balancer mode regardless of the direction of the operating force being in either the winding up or winding down direction, and a second position range where control is performed to select whether control is performed in the first balancer mode or in the second balancer mode.Type: GrantFiled: September 10, 2020Date of Patent: June 18, 2024Assignee: KITO CORPORATIONInventor: Kazuhiro Nishikawa
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Publication number: 20240088588Abstract: A power converter includes first and second components on which male and female fitting members of each of a plurality of pairs of fitting members are arranged, with a pair of first alignment keys formed in the first and second components as reference positions. The first and second components are coupled to each other by the female fitting member clamping an insertion portion of the male fitting member inserted between first and second clamping portions of the female fitting member arranged so as to face each other in a state where the pair of first alignment keys are positionally aligned. The first and second clamping portions are each bent so as to form one of protrusions toward one of surfaces thereof facing each other. A gap is formed in a distal end portion of each of the first and second clamping portions.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Motohiko FUJIMURA, Hiroshi OGURA, Kazuhiro NISHIKAWA, Yoshihiro KAWAKITA, Hidetoshi KITAURA
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Publication number: 20240072476Abstract: An electric power converter includes a first board, a second board, and a first board-to-board connector that electrically and mechanically connects the first board and the second board. The first board-to-board connector includes a male fitting member and a female fitting member. Each of a first clamp portion and a second clamp portion of the female fitting member includes a first contact forming portion and a second contact forming portion that are curved in a protruding shape, and a first spring portion and a second spring portion that are connected to the first contact forming portion and the second contact portion, respectively, and that are curved in corrugated shapes. An insert clamped between the first contact forming portion and the second contact forming portion forms an electrical contact, and the first spring portion and the second spring portion are independently deformable.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Inventors: HIDETOSHI KITAURA, HIROSHI OGURA, MOTOHIKO FUJIMURA, KAZUHIRO NISHIKAWA, YOSHIHIRO KAWAKITA
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Patent number: 11860529Abstract: A substrate with a multilayer reflection film for an EUV mask blank including a substrate, and a multilayer reflection film formed on the substrate is provided. The multilayer reflection film includes a Si/Mo laminated portion and a protection layer containing Ru and including a lower layer composed of Ru, and an upper layer composed of a material containing Ru and at least one selected from the group consisting of metals other than Ru, and metalloids.Type: GrantFiled: September 1, 2021Date of Patent: January 2, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yukio Inazuki, Tsuneo Terasawa, Takuro Kosaka, Hideo Kaneko, Kazuhiro Nishikawa
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Patent number: 11835851Abstract: A substrate with a multilayer reflection film for an EUV mask blank including a substrate, and a multilayer reflection film formed on the substrate is provided. The multilayer reflection film includes a Si/Mo laminated portion in which Si layers and Mo layers are alternately laminated, and a layer containing Si and N intervenes at one or more portions between the Si layer and the Mo layer of the Si/Mo laminated portion, and is contact with both of the Si layer and the Mo layer.Type: GrantFiled: September 1, 2021Date of Patent: December 5, 2023Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Yukio Inazuki, Tsuneo Terasawa, Takuro Kosaka, Hideo Kaneko, Kazuhiro Nishikawa
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Publication number: 20230324133Abstract: A liquid cooling jacket includes, with a direction along a direction in which a refrigerant flows being defined as a first direction, and a direction perpendicular or substantially perpendicular to the first direction being defined as a second direction, a refrigerant flow path having a width in the second direction and including a heat radiator on one side in the third direction, a bottom surface portion located on the other side of the refrigerant flow path in the third direction, and protrusions protruding from the bottom surface portion toward one side in the third direction and arranged in the first direction. With one side in the first direction being defined as a downstream side, the protrusions include a convex portion extending in the second direction and protruding toward the other side in the first direction.Type: ApplicationFiled: April 3, 2023Publication date: October 12, 2023Inventors: Yuta HORI, Kazuhiro NISHIKAWA, Kengo INOUE
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Publication number: 20230324129Abstract: A cooling device includes a heat dissipator and a liquid cooling jacket. The heat dissipator includes a plate-shaped base portion that extends in a first direction along a direction where a refrigerant flows and in a second direction orthogonal to the first direction and has a thickness in a third direction, a fin that protrudes from the base portion to one side in the third direction, and a top plate portion provided to an end of the fin. The liquid cooling jacket includes a top surface located on one side of the top plate portion with a gap between the top surface and the top plate portion. Top surface recesses recessed from the top surface toward one side and located side by side in the first direction.Type: ApplicationFiled: April 3, 2023Publication date: October 12, 2023Inventors: Kazuhiro NISHIKAWA, Yuta HORI, Kengo INOUE
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Publication number: 20230324132Abstract: A cooling device includes a liquid cooling jacket and a heat dissipator including a plate-shaped base portion extending in a first direction along a direction in which a refrigerant flows and in a second direction perpendicular or substantially perpendicular to the first direction and has a thickness in a third direction, a fin protruding from the base portion toward, a top plate portion provided at the fin, and a bent portion bent toward the one side in the third direction at an end on one side in the first direction of the top plate portion, with the one side in the first direction being a downstream side. Between the liquid cooling jacket and the top plate portion, a gap in the third direction is provided, and the bent portion opposes the liquid cooling jacket.Type: ApplicationFiled: April 3, 2023Publication date: October 12, 2023Inventors: Kengo INOUE, Kazuhiro NISHIKAWA, Yuta HORI
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Patent number: 11774598Abstract: A monitor unit (25) monitors positioning augmentation information for correction of satellite positioning errors, the positioning augmentation information being generated by an augmentation information generation device with use of a specified parameter value being a parameter value which is specified. In a case where an abnormality is detected in the positioning augmentation information by the monitor unit (25), a selection unit (26) selects a reserve parameter value that is to substitute for the specified parameter value, from among a plurality of reserve parameter values being a plurality of parameter values that are different from the specified parameter value and commands the augmentation information generation device to use the selected reserve parameter value as a new specified parameter value.Type: GrantFiled: April 2, 2019Date of Patent: October 3, 2023Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazuhiro Nishikawa, Seigo Fujita
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Publication number: 20230298967Abstract: A liquid cooling jacket includes a refrigerant flow path including a heat radiating portion on one side, a bottom surface located on the other side of the refrigerant flow path, and a protrusion protruding from the bottom surface toward one side. A first inclined portion is provided on the one side which is a downstream side of the protrusion. A first-direction length of the first inclined portion is longer than a height of the protrusion at a first-direction other end of the first inclined portion.Type: ApplicationFiled: March 10, 2023Publication date: September 21, 2023Inventors: Yuta HORI, Kazuhiro NISHIKAWA, Kengo INOUE
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Publication number: 20230213372Abstract: A load detection mechanism for detecting a load of an object includes a first member connected to a fixed structure; a second member for suspending an object; a pin (CP1, CP2) configured to cause the second member to be suspended from the first member by continuously penetrating the first member and the second member; a plurality of strain gauges (SG1 to SG8) attached to the pin; and a circuit substrate disposed above the second member. A connection circuit (CC) forming a bridge circuit by connecting the plurality of strain gauges and an amplification circuit (AC) configured to amplify output from the bridge circuit are formed on the circuit substrate.Type: ApplicationFiled: September 3, 2020Publication date: July 6, 2023Inventors: Takuma OKAMOTO, Kazuhiro NISHIKAWA, Takayuki KASAI
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Publication number: 20230204305Abstract: A heat dissipator includes a first top plate at one side end of a third direction at a first fin(s). A second top plate is at one side end of a third direction at a second fin(s). The second fin(s) includes an opening open to one side in the third direction and located on the other side in the first direction relative to the second top plate. A liquid-cooled jacket includes a top surface that can oppose the first top plate and the second top plate in the third direction. A first gap between the top surface and the first top plate and a second gap between the top surface and the second top plate are narrower toward one side in the first direction.Type: ApplicationFiled: December 19, 2022Publication date: June 29, 2023Inventors: Yuta HORI, Kazuhiro NISHIKAWA, Koji MURAKAMI, Kengo INOUE, Yuki YANAGITA