Patents Assigned to Hitachi
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Patent number: 12297057Abstract: Provided are a specimen transport device and a specimen transport carrier capable of preventing shake of a specimen as compared with related art without limiting a transport path in electromagnetic transport. A specimen carrier 100 includes two or more gripping portions 101 configured to support specimen containers 150 having different diameters from different directions, and a transport surface 201 on which the specimen carrier 100 is to slide. The specimen carrier 100 includes a direction adjustment unit configured to adjust a traveling direction of the specimen carrier 100 when the specimen carrier 100 slides on a surface of the transport surface 201, such that a direction of a force with which one of the two or more gripping portions 101 grips the specimen container 150 is opposite to the traveling direction of the specimen carrier 100.Type: GrantFiled: March 5, 2021Date of Patent: May 13, 2025Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Takeshi Matsuka, Shigeki Yamaguchi
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Patent number: 12298324Abstract: An automatic analysis apparatus includes: an automatic analysis unit 100 which includes a dispensing mechanism including a probe which is configured to dispense a sample or a reagent into a reaction container, a cleaning mechanism; and a control unit 124. The control unit includes a storage unit 124a configured to store count values which indicate weightings to contamination and are set in advance in accordance with a plurality of analysis conditions, a processing unit 124b configured to obtain a cumulative count for each dispensing of the sample or the reagent on the basis of the stored count values and to determine whether the obtained cumulative count exceeds a threshold value set in advance, and an instruction unit 124c configured to instruct an operation of the cleaning mechanism to clean the probe when a result of determination is that the cumulative count exceeds the threshold value.Type: GrantFiled: March 18, 2020Date of Patent: May 13, 2025Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Misato Koike, Masashi Akutsu, Masashi Fukaya, Megumi Kato
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Patent number: 12301148Abstract: A motor control device is connected to a power converter that performs power conversion from DC power to AC power and controls driving of an AC motor driven using the AC power, and the motor control device includes a carrier wave generation unit that generates a carrier wave, a carrier wave frequency adjustment unit that adjusts a frequency of the carrier wave, and a gate signal generation unit that performs pulse width modulation on a voltage command according to a torque command using the carrier wave and generates a gate signal for controlling an operation of the power converter, in which a phase difference between the voltage command and the carrier wave is randomly changed.Type: GrantFiled: September 21, 2021Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Takaya Tsukagoshi, Shun Taniguchi, Takafumi Hara
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Patent number: 12298724Abstract: A device for assisting in assigning setting values of a compressor operation controller for starting or stopping one or more compressors, collecting discharged air of the compressors in an air tank, and supplying the air tank as a compressed air source in a predetermined pressure range, includes: an input unit that receives piping network information which is an element of a pressure loss of a piping flow from the compressor to a pressure control position of the controller, compressor specifications which are an upper limit of a discharge pressure of the compressor and a number of compressor starts/stops, a supply flow rate condition which is time change data of a flow rate flowing from the pressure control position of the controller, and a supply pressure condition which is a lower limit of the supply pressure at the pressure control position of the controller.Type: GrantFiled: December 18, 2020Date of Patent: May 13, 2025Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.Inventors: Eunkyeong Kim, Tatsurou Yashiki, Nobuhiro Tottori
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Patent number: 12300716Abstract: A semiconductor device having a high cutoff resistance capable of suppressing local current/electric field concentration and current concentration at a chip termination portion due to an electric field variation between IGBT cells due to a shape variation and impurity variation during manufacturing. The semiconductor device is characterized by including an emitter electrode formed on a front surface of a semiconductor substrate via an interlayer insulating film, a collector electrode formed on a back surface of the semiconductor substrate, a first semiconductor layer of a first conductivity type in contact with the collector electrode, a second semiconductor layer of a second conductivity type, a central area cell, and an outer peripheral area cell located outside the central area cell.Type: GrantFiled: April 22, 2020Date of Patent: May 13, 2025Assignee: HITACHI POWER SEMICONDUCTOR DEVICE, LTD.Inventors: Tomoyasu Furukawa, Masaki Shiraishi, So Watanabe, Tomoyuki Miyoshi, Yujiro Takeuchi
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Patent number: 12301074Abstract: A conductive wire includes an angled protrusion having a tapered shape being integrated with a wire-shaped main body and configured to generate an arc between itself and an arc welding electrode. At least one of the pair of conductive members comprises an angled protrusion having a tapered shape. Welding of the conductive members is performed by melting the angled protrusion by generating an arc between the angled protrusion and an electrode.Type: GrantFiled: March 25, 2022Date of Patent: May 13, 2025Assignees: Proterial, Ltd., Hitachi Astemo, Ltd.Inventors: Noriyuki Takahashi, Teruaki Nakashima
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Patent number: 12300419Abstract: A split winding assembly for a transformer is configured to extend along a main limb of a transformer core between a first end and a second end. The split winding assembly includes a first split winding section extending from the first end toward a midpoint of the split winding assembly and a second split winding section extending from the second end toward the midpoint of the split winding assembly along the main limb of a transformer core. The first split winding section includes a first inner winding section configured to surround the main limb of the transformer core and a first outer winding section surrounding the first inner winding section. The second split winding section includes a second inner winding section configured to surround the main limb of the transformer core and a second outer winding section surrounding the second inner winding section.Type: GrantFiled: September 29, 2021Date of Patent: May 13, 2025Assignee: Hitachi Energy LtdInventors: Ion Radu, Parag Upadhyay, Alberto Prieto
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Patent number: 12298998Abstract: The operational performance and the I/O performance of Snapshots in a storage system are balanced. In a storage system, meta information of data appended to a log structured area is composed of meta information of a first tier and meta information of a second tier which correlate location information of data in a logical volume and location information of data in the log structured area. When creating a snapshot of the logical volume, a data management unit creates, in the same meta information area as a replication source, a replication of the meta information of the first tier stored in a plurality of meta information areas assigned to a plurality of controllers. A data control unit accesses the data of the log structured area from the logical volume, and accesses the data of the log structured area from the snapshot.Type: GrantFiled: June 7, 2023Date of Patent: May 13, 2025Assignee: HITACHI VANTARA, LTD.Inventors: Takaki Matsushita, Yusuke Yamaga, Akira Deguchi
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Patent number: 12298227Abstract: An object of the present invention is to realize an optical analysis system that enables long-term analysis by reducing the amount of liquid used for analysis. The optical analysis system includes: a first flow channel for transporting a liquid in a container; a branching medium for alternately outputting the liquid and the gas in the first flow channel; a third flow channel for transporting the liquid and the gas flowing out from the branching medium; an analysis cell into which the liquid and the gas in the third flow channel flow; a fourth flow channel that is connected to the analysis cell to discharge the liquid and the gas after passing through the analysis cell; a pump for transporting the liquid and the gas; and a control device. Then, the control device sets a reference liquid amount that is a reference required for analysis, and controls the branching medium and the pump to make the liquid and the gas alternately flow into the third flow channel.Type: GrantFiled: September 24, 2021Date of Patent: May 13, 2025Assignee: Hitachi, Ltd.Inventors: Shunsuke Kono, Takuya Kambayashi
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Patent number: 12301061Abstract: An object of the present invention is to provide a structure capable of stably holding a bonded magnet into a magnet insertion part of a rotor core. A rotor of a rotating electrical machine includes a bonded magnet 112, an elastic member 113 having a bent part 113a, and a rotor core provided with a magnet storage part storing the bonded magnet 112 and the elastic member 113. The elastic member 113 is embedded in the bonded magnet 112 in a state where at least a part of the bent part 113a is exposed from the bonded magnet 112, and an exposed part 113c of the bent part 113a from the bonded magnet 112 comes into contact with an inner wall of the magnet storage part 114 and elastically deforms.Type: GrantFiled: May 10, 2021Date of Patent: May 13, 2025Assignee: Hitachi Astemo, Ltd.Inventors: Masahiro Hori, Takeshi Tokuyama, Noriaki Hino, Masanori Sawahata
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Patent number: 12298283Abstract: Tests of channels of a system as a whole can be easily performed without adding a complicated mechanism. A liquid feeding part includes a liquid feeding channel to feed a mobile phase, a drainage channel to release pressure in the liquid feeding channel, an analysis channel that discharges the mobile phase into the sample introduction part, and a channel switching valve that selectively connects the liquid feeding channel to one of the drainage channel and the analysis channel. The channel switching valve is configured to be able to provide a tight stopper state in which the liquid feeding channel is connected to neither the analysis channel nor the drainage channel.Type: GrantFiled: February 26, 2020Date of Patent: May 13, 2025Assignee: Hitachi High-Tech CorporationInventors: Daisuke Akieda, Makoto Nogami, Shinya Ito
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Patent number: 12296903Abstract: In some examples, a service computing device receives, from a vehicle computing device onboard a vehicle, a communication including sensor data obtained from at least one sensor onboard the vehicle. Based on the communication, the service computing device determines a transmission delay corresponding to a difference between a time when the vehicle sent the communication and a time when the communication was received. Based on the communication, the service computing device determines a trajectory of the vehicle on a travel route. Based on the sensor data, transmission delay, wind direction and magnitude, surrounding objects, and trajectory, the service computing device determines vehicle control information for the vehicle. The service computing device sends, to the vehicle, based at least on the vehicle control information, at least one instruction causing the vehicle to perform at least one control operation for traversing one or more locations associated with the trajectory of the vehicle.Type: GrantFiled: September 14, 2023Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Xiaoliang Zhu, Subrata Kumar Kundu, Paul Liu
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Patent number: 12302511Abstract: An electronic device maintains a pressure adjustment function of a breathable filter. The electronic device includes a connector that includes a connector housing that closes an opening portion of a housing accommodating a circuit board and holds a connection terminal enabling electric connection of the circuit board to an external connector and a communication hole that penetrates the connector housing and allows an internal space and an external space of the housing to communicate with each other, and a filter attached to the connector housing to cover a first opening that opens in the communication hole on an internal space side of the housing. The connector housing has a shielding wall surrounding the periphery of the second opening of the communication hole that opens to the external space side of the housing and protrudes toward the external space side of the housing from the second opening of the communication hole.Type: GrantFiled: October 20, 2020Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Masato Saito, Michihito Watarai
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Patent number: 12296548Abstract: A method for manufacturing a tube body made of fiber-reinforced resin includes: an arranging step of arranging a fiber member on an outer peripheral surface of a mandrel made of resin by filament winding method; an inflating step of placing the mandrel with the fiber member arranged on it in a mold after the arranging step and inflating the mandrel by pressurizing an interior of the mandrel with the fiber member arranged on it; and a molding step of supplying resin in the mold after the inflating step to impregnate the fiber member with the resin and curing the impregnated resin to mold a tube body.Type: GrantFiled: September 15, 2022Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Takahiro Nakayama, Kenichi Mori
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Patent number: 12298164Abstract: It is possible to reduce a degradation in accuracy after switching of a heating state or after change of the flow rate.Type: GrantFiled: April 23, 2019Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Yuki Isoya, Hiroaki Hoshika
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Patent number: 12297620Abstract: An object of the present invention is to provide a work machine that is capable of flexibly setting an entry-prohibited area for a work device according to an operator's intention. To achieve this, a controller 40 sets, as a first position, the position of a work tool 8 that is located when a setting switch 33 is operated, and sets, as a second position, the position of the work tool 8 that is located when the setting switch 33 is operated after the setting of the first position. Further, the controller 40 sets, as a boundary surface of an entry-prohibited area, a plane 70 that passes through a first reference point A and a second reference point B and that is perpendicular to a ground contact surface of a lower track structure 1. The first reference point A is one of a plurality of reference points 8L and 8R on the work tool 8 located at the first position, the plurality of reference points 8L and 8R being preset on the work tool 8.Type: GrantFiled: November 11, 2021Date of Patent: May 13, 2025Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.Inventors: Masatoshi Morikawa, Shinji Nishikawa, Hiroaki Tanaka
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Patent number: 12297624Abstract: An object of the present invention is to provide a work machine that makes it possible to perform, with a simple configuration, speed control of respective actuators and thrust control of a particular actuator that regenerates the flow of a return fluid, at the time of combined operation to simultaneously drive the particular actuator and another actuator. For this purpose, a controller calculates a target thrust that is a target value of a thrust of the particular actuator on the basis of an input amount of an operation device and an output value of a posture sensor, calculates a target meter-out pressure that is a target value of a meter-out pressure of the particular actuator on the basis of the target thrust and a meter-in pressure of the particular actuator, and calculates a regeneration control valve target opening area that is a target value of an opening area of a regeneration control valve on the basis of the target meter-out pressure and the meter-out pressure of the particular actuator.Type: GrantFiled: October 31, 2022Date of Patent: May 13, 2025Assignee: Hitachi Construction Machinery Co., Ltd.Inventors: Kento Kumagai, Shinya Imura, Yasutaka Tsuruga, Takaaki Chiba, Shinjirou Yamamoto, Hiroaki Amano, Shinji Nishikawa, Akihiro Narazaki
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Patent number: 12300606Abstract: In a semiconductor device including a current mirror circuit, a highly reliable semiconductor device that reduces a variation in a mirror ratio of the current mirror circuit and suppresses a change with time in a pairing property of elements can be provided.Type: GrantFiled: May 15, 2020Date of Patent: May 13, 2025Assignee: Hitachi Astemo, Ltd.Inventors: Katsumi Ikegaya, Yoichiro Kobayashi, Minoru Migita
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Patent number: 12299157Abstract: A policy can be easily and appropriately set. A policy setting control device 100 that controls setting of a policy for controlling access to a resource includes a processor. The policy includes a resource to be accessed, a subject who accesses the resource, and an access operation. The processor receives an input policy 11 which is a candidate to be newly set, acquires an attribute value corresponding to values of a subject and a resource included in the input policy 11, generates one or more post-conversion policies 103 by changing the values of the subject and the resource included in the input policy 11 to the acquired attribute value, and sets the input policy as a new policy when all the generated post-conversion policies 103 are consistent with an existing policy.Type: GrantFiled: September 15, 2022Date of Patent: May 13, 2025Assignee: HITACHI, LTD.Inventors: Tsunehiko Baba, Jumpei Okoshi, Hiroaki Masuda
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Patent number: 12302488Abstract: An electronic control device includes a first circuit board having a first mounting surface on which a first electronic component is mounted, a second circuit board having a second mounting surface on which a second electronic component is mounted, and a base member disposed between the first mounting surface and the second mounting surface so as to face the first electronic component and the second electronic component, where a first heat-conducting material is disposed between the base member and the first electronic component, a second heat-conducting material is disposed between the base member and the second electronic component, the base member includes a first region that at least does not overlap the second circuit board when viewed in a line-of-sight direction normal to the first mounting surface and the second mounting surface, and a second region that overlaps both of the first circuit board and the second circuit board when viewed in the line-of-sight direction, a heat dissipation unit including aType: GrantFiled: March 10, 2021Date of Patent: May 13, 2025Assignee: HITACHI ASTEMO, LTD.Inventors: Minami Teranishi, Shinya Kawakita