Patents by Inventor Takeshi Ishii

Takeshi Ishii 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).

  • Patent number: 11919604
    Abstract: A leaning vehicle includes a vehicle body, a left front wheel, a right front wheel, a lean mechanism, and a lean brake mechanism. The lean mechanism causes the left front wheel and the right front wheel to lean about a front-rear direction as a rotation center when the vehicle body leans about the front-rear direction as a rotation center. The lean brake mechanism brakes a leaning operation of the lean mechanism. The lean brake mechanism includes a brake disc and brake pads. The brake disc is attached to an upper arm or a lower arm. The brake pads, which are attached such that their position relative to the brake disc changes in the leaning operation, produce a frictional force against the brake disc in the leaning operation.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: March 5, 2024
    Assignee: KAWASAKI MOTORS, LTD.
    Inventors: Takeshi Nakajima, Hiroshi Ishii, Taro Iwamoto, Kazuya Nagasaka, Taichi Inaba
  • Patent number: 11913400
    Abstract: During a predetermined operation state in which the opening degree of a throttle valve is fixed, an air flow meter positioned more on the upstream side than a pressure control valve detects a first intake air amount when the opening degree of the pressure control valve positioned on the upstream side of the throttle valve is set to a predetermined first valve opening degree and a second intake air amount when the opening degree of the pressure control valve is set to a predetermined second valve opening degree smaller than the first valve opening degree. On the basis of the first intake air amount and the second intake air amount, a diagnosis is made regarding whether there is an abnormality in a first pipe, a second pipe, a third pipe and the like which are included in a blow-by gas recirculation system for blow-by gas treatment.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 27, 2024
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Koike, Takeshi Miyamoto, Hitoshi Ishii
  • Publication number: 20230394444
    Abstract: A new technology to assist the recycling of resources is provided. Provided is an authentication method for a recycled product performed by a computer system, the authentication method including: a first acquisition step of acquiring information on a receiving amount of a recycled resin in a manufacturing entity of a resin product; a second acquisition step of acquiring information on a sending amount of a resin product using the recycled resin in the manufacturing entity or a different manufacturing entity; and an authentication step of giving authentication to the resin product when an authentication condition based on the information on the sending amount and the receiving amount is satisfied.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 7, 2023
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Youichiroh Ide, Hideaki Yonekubo, Takahiro Saito, Naoki Horie, Takeshi Ishii
  • Publication number: 20230367199
    Abstract: A reflective photomask blank includes a substrate, a multilayer reflection film that reflects exposure light being light in extreme ultraviolet range, a protection film, a light-absorbing film that absorbs the exposure light, and a hard mask film that is formed in contact with the light-absorbing film. The hard mask film is constituted by a multilayer including a first layer disposed at the side remotest from the substrate, and is composed of a material that is resistant to chlorine-based dry etching, and removable by fluorine-based dry etching, and a second layer composed of a material that is resistant to fluorine-based dry etching, and removable by chlorine-based dry etching. An etching clear time of the light-absorbing film on fluorine-based dry etching under one condition is longer than an etching clear time of the first layer on the fluorine-based dry etching under the same condition.
    Type: Application
    Filed: April 27, 2023
    Publication date: November 16, 2023
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Keisuke SAKURAI, Shohei MIMURA, Takeshi ISHII
  • Publication number: 20230333460
    Abstract: A reflective photomask blank includes a substrate, a multilayer reflection film that is formed on the substrate and reflects exposure light being light in extreme ultraviolet range, a protection film that is formed on the multilayer reflection film to protect the multilayer reflection film, a light-absorbing film that is formed on the protection film and absorbs the exposure light, and a hard mask film that is formed on and in contact with the light-absorbing film and functions as a hard mask in pattering the light-absorbing film by dry etching. The hard mask film is constituted by a multilayer including a first layer and a second layer, the first layer is disposed at the side remotest from the substrate, and is composed of a material containing silicon and free of chromium, and the second layer is composed of a material containing chromium and free of silicon.
    Type: Application
    Filed: March 23, 2023
    Publication date: October 19, 2023
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Keisuke SAKURAI, Shohei MIMURA, Takeshi ISHII
  • Patent number: 11753800
    Abstract: A controller calculates the ratio between the sum of estimated demanded powers of a plurality of first actuators and the sum of estimated demanded powers of a plurality of second actuators, and calculates, on the basis of the ratio, first and second command values for adjusting allocation between a first allowable torque of a first pump and a second allowable torque of a second pump, and first and second regulators adjust the first and second allowable torques, on the basis of first and second output pressures of first and second torque control valves, such that the first and second allowable torques become values to which a predetermined allowable torque is allocated according to the ratio described above, and control the delivery flow rates of the first and second pumps such that the respective consumed torques of the first and second pumps do not become larger than the first and second allowable torques.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 12, 2023
    Assignee: Hitachi Construction Machinery Tierra Co., Ltd.
    Inventors: Taihei Maehara, Kiwamu Takahashi, Takeshi Ishii, Yuichi Ogawa
  • Patent number: 11717243
    Abstract: A medical information processing apparatus according to an embodiment includes a processor. The processor acquires an examination room image obtained by capturing the inside of an examination room in which a medical imaging apparatus including a movement mechanism is installed. The processor specifies identification information of a target object depicted in the examination room image using the examination room image. The processor specifies three-dimensional shape data corresponding to the identification information of the target object using the identification information of the target object. The processor specifies the position of the three-dimensional shape data in a virtual three-dimensional space using depth information indicating distance from an examination-room image capturing device to the target object depicted in the examination room image.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: August 8, 2023
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventor: Takeshi Ishii
  • Publication number: 20230187163
    Abstract: A magnetron includes an anode cylindrical body, a plurality of vanes, a cathode filament, an input-side magnetic pole, an output-side magnetic pole, and a choke structure. The anode cylindrical body has a cylindrical shape with an input-side opening part and an output-side opening part. The plurality of vanes is radially disposed from a central axis of the anode cylindrical body to an inner wall surface of the anode cylindrical body. The cathode filament is disposed along the central axis of the anode cylindrical body. The input-side magnetic pole and the output-side magnetic pole are disposed on the input-side opening part and the output-side opening part, respectively. The choke structure is seamlessly formed and disposed so as to cover an opening rim of the input-side magnetic pole with respect to the central axis of the anode cylindrical body.
    Type: Application
    Filed: July 7, 2021
    Publication date: June 15, 2023
    Inventor: TAKESHI ISHII
  • Patent number: 11668074
    Abstract: To reduce an increase in the electric power consumption of an electric motor according to the state of an electric power source at the start of driving of an actuator, and make it possible to use devices in an appropriate state in an electrically driven hydraulic construction machine including a driving system that drives a hydraulic pump by using the electric motor.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 6, 2023
    Assignee: Hitachi Construction Machinery Tierra Co., Ltd.
    Inventors: Yuichi Ogawa, Takeshi Ishii, Seiichi Kihara, Kiwamu Takahashi
  • Publication number: 20230111072
    Abstract: There is provided a device including: an order information acquisition unit configured to acquire order information including destination information indicating a destination for transporting perishables to be ordered; a transportation information acquisition unit configured to acquire transportation information including temperature and location information of perishables in transport; a temperature estimation unit configured to calculate, on the basis of the transportation information and the order information, an estimated temperature at the destination in a case where the perishables in transport are transported to the destination; a decision unit configured to decide whether to transport the perishables in transport to the destination on the basis of the estimated temperature; and an instruction unit configured to provide instruction to transport the perishables in transport to the destination according to a result of the decision.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 13, 2023
    Inventors: Kenji KAMIYAMA, Mika UEKI, Takeshi ISHII
  • Patent number: 11542680
    Abstract: An electric hydraulic excavator (1) includes an automotive lower traveling structure (2) and an upper revolving structure (3) mounted on the lower traveling structure (2) to be capable of revolving thereto. The upper revolving structure (3) includes a revolving frame (5) as a base, a counterweight (13) disposed on a rear side of the revolving frame (5), and an electric power source (9) that is positioned on a front side of the counterweight (13) to be mounted on the revolving frame (5) and is power-fed from an external electric current source. The counterweight (13) is provided with a cable insertion hole (16) as disposed therein. A power feeding cable (12) is inserted in the cable insertion hole (16) for connection between the external electric current source and the electric power source (9).
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: January 3, 2023
    Assignee: Hitachi Construction Machinery Tierra Co., Ltd.
    Inventors: Seiichi Kihara, Kiwamu Takahashi, Takeshi Ishii
  • Patent number: 11499288
    Abstract: An upper revolving structure (4) of a hydraulic excavator (1) includes a revolving frame (7), a counterweight (8), an operator's seat (12), a right front cover (17B) disposed from the right side of the operator's seat (12) toward a front end side of the revolving frame (7), a control valve device (18), and an accumulator (21). An accumulator support device (23) is provided between the operator's seat (12) and the right front cover (17B), the accumulator support device (23) is configured by a box (24) providing the inside thereof for an accommodating space (25) and having an opening (26) and a lid member (28) mounted on the box (24) through a hinge member (29) and opened and closed between an open position at which the side of a free end (28D) opens the opening (26) and a closed position at which the side of the free end (28D) closes the opening (26), and the accumulator (21) is mounted on the lid member (28).
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: November 15, 2022
    Assignee: Hitachi Construction Machinery Tierra Co., Ltd
    Inventors: Taihei Maehara, Kiwamu Takahashi, Takeshi Ishii
  • Publication number: 20220341126
    Abstract: It is made possible to perform power reduction control during non-operation of control levers, suppress a return to a normal power state when a control lever is accidentally moved, and make a smooth transition to an operation desired to be performed when a return is made to the normal power state. To this end, in a power reduction state, when a first cancellation condition in which two or more control levers are inclined simultaneously is satisfied or when a second cancellation condition in which one lever continues to be inclined is satisfied, a controller 50 determines that an operator “has an intention of canceling power reduction” and cancels power reduction control.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 27, 2022
    Inventors: Yuichi OGAWA, Takeshi ISHII, Seiichi KIHARA, Kiwamu TAKAHASHI
  • Publication number: 20220307228
    Abstract: A controller calculates the ratio between the sum of estimated demanded powers of a plurality of first actuators and the sum of estimated demanded powers of a plurality of second actuators, and calculates, on the basis of the ratio, first and second command values for adjusting allocation between a first allowable torque of a first pump and a second allowable torque of a second pump, and first and second regulators adjust the first and second allowable torques, on the basis of first and second output pressures of first and second torque control valves, such that the first and second allowable torques become values to which a predetermined allowable torque is allocated according to the ratio described above, and control the delivery flow rates of the first and second pumps such that the respective consumed torques of the first and second pumps do not become larger than the first and second allowable torques.
    Type: Application
    Filed: March 27, 2020
    Publication date: September 29, 2022
    Inventors: Taihei MAEHARA, Kiwamu TAKAHASHI, Takeshi ISHII, Yuichi OGAWA
  • Patent number: 11454002
    Abstract: A hydraulic drive system for a work machine including a hydraulic energy recovery device that is configured to perform load sensing control and accumulates hydraulic fluid that returns from a hydraulic cylinder in operation of lowering a front work implement into an accumulator includes, in order to prevent, when operation other than operation of lowering the front work implement is to be performed, hydraulic energy accumulated in the accumulator from being consumed uselessly, a regeneration selector valve in a hydraulic line for regenerating the hydraulic fluid accumulated in the accumulator into a hydraulic fluid supply line of a main pump. The regeneration selector valve is controlled such that, only when saturation occurs with the main pump, flow from the accumulator to the hydraulic fluid supply line is permitted.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 27, 2022
    Assignee: Hitachi Construction Machinery Tierra Co., Ltd.
    Inventors: Kiwamu Takahashi, Taihei Maehara, Takeshi Ishii
  • Publication number: 20220290410
    Abstract: To reduce an increase in the electric power consumption of an electric motor according to the state of an electric power source at the start of driving of an actuator, and make it possible to use devices in an appropriate state in an electrically driven hydraulic construction machine including a driving system that drives a hydraulic pump by using the electric motor.
    Type: Application
    Filed: September 14, 2020
    Publication date: September 15, 2022
    Inventors: Yuichi OGAWA, Takeshi ISHII, Seiichi KIHARA, Kiwamu TAKAHASHI
  • Publication number: 20220290403
    Abstract: It is made possible to perform power reduction control during non-operation of control levers, and suppress power consumption of a power source when a control lever is moved by an erroneous operation, and thus reduce energy consumption. Accordingly, a controller 50 performs the power reduction control when a non-operation time exceeds a set time after a transition is made from a state in which at least one control lever is operated to a non-operation state in which none of the control levers is operated, and the controller 50 cancels the power reduction control when at least one control lever is operated in a state in which the power reduction control is performed.
    Type: Application
    Filed: March 26, 2020
    Publication date: September 15, 2022
    Inventors: Yuichi OGAWA, Takeshi ISHII, Seiichi KIHARA, Kiwamu TAKAHASHI
  • Publication number: 20220282457
    Abstract: A construction machine is provided which is capable of detecting an operation state of an operation device even if the idle rotation speed for a prime mover is set to a low value and is capable of setting the idle rotation speed for the prime mover to a low value. A hydraulic excavator includes an operation device that generates a pilot pressure corresponding to an operation amount of an operation lever and switches a control valve with the generated pilot valve, and a controller that controls an electric motor such that the rotation speed of the electric motor becomes an idle rotation speed set in advance when a no-operation state of the operation device continues.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 8, 2022
    Inventors: Takeshi ISHII, Kiwamu TAKAHASHI
  • Publication number: 20220259821
    Abstract: In a hydraulic drive system used for an electrically driven hydraulic work machine that drives a hydraulic pump by an electric motor and supplies a hydraulic fluid to plural actuators to carry out work, the power consumption of the hydraulic pump is kept from exceeding a value decided in advance. For this purpose, a controller calculates target power to be consumed by the hydraulic pump on the basis of the capacity of the hydraulic pump, the delivery pressure of the hydraulic pump sensed by a pressure sensor, and a target revolution speed of the electric motor, and limits the target revolution speed of the electric motor in such a manner that the target power falls within a range of the maximum allowable power.
    Type: Application
    Filed: September 24, 2019
    Publication date: August 18, 2022
    Inventors: Kiwamu TAKAHASHI, Seiichi KIHARA, Yuichi OGAWA, Takeshi ISHII
  • Publication number: 20220129014
    Abstract: A mobility service system delivers a mobility service utilizing an electric vertical takeoff and landing aircraft (eVTOL). The mobility service includes a transportation service where a moving body capable of autonomously traveling in a takeoff and landing site takes a passenger to and from an eVTOL landed on the takeoff and landing site. Sensor detection information detected by a sensor installed on the eVTOL includes at least one of an azimuth of the eVTOL and a relative positional relationship between the eVTOL and the moving body. The mobility service system determines a target route of the moving body in the transportation service such that the moving body moves to a side of a boarding door of the eVTOL, based on the sensor detection information and an installation position of the boarding door of the eVTOL.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Shun Ota, Takeshi Ishii