Patents by Inventor Akira Nakashima

Akira Nakashima 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).

  • Publication number: 20220154738
    Abstract: An HST circuit has a hydraulic pump that converts a drive force of an engine into energy of oil, and a hydraulic motor that converts the energy of the oil converted by the hydraulic pump into drive energy. Pressure sensors detect a pressure of the oil within the HST circuit. A variable charge pump replenishes the oil into the HST circuit. A controller controls a capacity of the variable charge pump based on the pressure of the oil within the HST circuit detected by the pressure sensors.
    Type: Application
    Filed: April 2, 2020
    Publication date: May 19, 2022
    Applicant: KOMATSU LTD.
    Inventors: Akira NAKASHIMA, Shinobu KAMIKAWA
  • Publication number: 20220146123
    Abstract: An air treatment system controls airflow volume in accordance with momentarily varying airflow volume to be demanded. A supply fan unit is disposed separately from an air treatment unit, and sends outdoor air from an outdoor space to the air treatment unit and sends outdoor air treated by the air treatment unit to an indoor space. An exhaust fan unit is disposed separately from the air treatment unit, and sends indoor air from the indoor space to the air treatment unit and sends indoor air treated by the air treatment unit to the outdoor space. A controller controls a rotation speed of a first fan in accordance with a first detection value of a first airflow volume detection unit, and controls a rotation speed of a second fan in accordance with a second detection value of a second airflow volume detection unit.
    Type: Application
    Filed: April 15, 2020
    Publication date: May 12, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Toru FUJIMOTO, Shuuichi TANAKA, Akira KOMATSU, Yoshiteru NOUCHI, Kouji TATSUMI, Ryouta SUZUKI, Taishi NAKASHIMA
  • Publication number: 20220045574
    Abstract: A driving device includes an electric motor, a drive gear, a deceleration mechanism, a driven gear, and a housing. At least either one of the drive gear and the driven gear is provided as a helical gear. The deceleration mechanism includes a plurality of reduction gear shafts, a plurality of bearings, and a biasing member provided for at least any one of the bearings. The biasing member axially biases an outer ring of the at least any one of the bearings that supports at least either one of end parts of the shaft portion of a corresponding one of the reduction gear shafts, the end parts including an end part on the large-diameter gear wheel side and an end part on the small-diameter gear wheel side.
    Type: Application
    Filed: July 26, 2021
    Publication date: February 10, 2022
    Applicant: JTEKT CORPORATION
    Inventors: Akitomo IWATA, Yoshinori SUZUKI, Keita NOMURA, Akira NAKASHIMA, Kuniko HAYASHI, Akira SATO, Yusei KONDA, Minh Phuong DAO, Yoshihide KAMIYA, Van Tinh NGUYEN
  • Publication number: 20220034068
    Abstract: A load sensing valve maintains a differential pressure at a set pressure by controlling a regulator in accordance with a differential pressure between a discharge pressure of a hydraulic pump and a load pressure of hydraulic actuators. A set pressure control device controls the set pressure. A controller controls the set pressure control device to reduce the set pressure more than when the work implement is being operated, when a predetermined determination condition that includes the work implement not being operated is satisfied.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 3, 2022
    Inventors: Akira NAKASHIMA, Isamu ODA
  • Publication number: 20220034069
    Abstract: A hydraulic pump is driven by an engine. A hydraulic motor is driven by hydraulic fluid discharged from the hydraulic pump thereby causing a vehicle to travel. A controller controls a rotation speed of the engine and a displacement of the hydraulic pump. The controller acquires a tractive force of the vehicle. The controller changes the rotation speed of the engine to a low speed side in accordance with a reduction in the tractive force.
    Type: Application
    Filed: October 31, 2019
    Publication date: February 3, 2022
    Inventor: Akira NAKASHIMA
  • Patent number: 10751705
    Abstract: Chabazite zeolites have a problem of low hydrothermal resistance. By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: August 25, 2020
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Yoko Yamaguchi, Shunji Tsuruta, Akira Nakashima
  • Patent number: 10618040
    Abstract: An object of the present invention is to provide a chabazite zeolite which does not easily peel from a substrate such as a honeycomb body even when the substrate has been coated therewith, while exhibiting excellent durability. The present invention relates to a chabazite zeolite for substrate coating, which includes (i) to (iv) below. (i) Si and Al are contained, (ii) an SiO2/Al2O3 molar ratio is in a range of 5<SiO2/Al2O3<10, (iii) an average crystal size is in a range of 0.05 ?m<average crystal size<1 ?m, and (iv) in a spectrum measured by 27Al-NMR, a ratio (ANFA/ATotal) between an area (ATotal) of all peaks in the spectrum and an area (ANFA) of peaks assigned to Al other than tetracoordinated Al is in a range of 20%?(ANFA/ATotal)?70%.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: April 14, 2020
    Assignee: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Yoko Yamaguchi, Shunji Tsuruta, Akira Nakashima
  • Publication number: 20190330070
    Abstract: [Problem] Chabazite zeolites have a problem of low hydrothermal resistance. [Solution] By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.
    Type: Application
    Filed: June 1, 2017
    Publication date: October 31, 2019
    Applicant: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Yoko YAMAGUCHI, Shunji TSURUTA, Akira NAKASHIMA
  • Publication number: 20190240648
    Abstract: An object of the present invention is to provide a chabazite zeolite which does not easily peel from a substrate such as a honeycomb body even when the substrate has been coated therewith, while exhibiting excellent durability. The present invention relates to a chabazite zeolite for substrate coating, which includes (i) to (iv) below. (i) Si and Al are contained, (ii) an SiO2/Al2O3 molar ratio is in a range of 5<SiO2/Al2O3<10, (iii) an average crystal size is in a range of 0.05 ?m< average crystal size <1 ?m, and (iv) in a spectrum measured by 27Al-NMR, a ratio (ANFA/ATotal) between an area (ATotal) of all peaks in the spectrum and an area (ANFA) of peaks assigned to Al other than tetracoordinated Al is in a range of 20%?(ANFA/ATotal)?70%.
    Type: Application
    Filed: October 25, 2017
    Publication date: August 8, 2019
    Applicant: JGC CATALYSTS AND CHEMICALS LTD.
    Inventors: Yoko YAMAGUCHI, Shunji TSURUTA, Akira NAKASHIMA
  • Publication number: 20190206172
    Abstract: The present invention provides a sheet identification device and a sheet identification method capable of meeting a wider variety of requests. The sheet identification device of the present invention is configured to identify a sheet under transportation. The device includes a standard identifier and an option attachment member to which an optional identifier is attachable. The standard identifier includes a standard sensor unit including an optical line sensor and a standard controller configured to control the standard sensor unit and identify a type of the sheet based on an output from the standard sensor unit. The optional identifier includes an optional sensor unit configured to execute a different sensing operation from a sensing operation executed by the standard sensor unit and an optional controller configured to control the optional sensor unit.
    Type: Application
    Filed: June 29, 2017
    Publication date: July 4, 2019
    Inventors: Hiroki OJI, Akira NAKASHIMA, Tomohiko KASUYA, Kazuhiro OHMATSU, Satoshi YOSHIDA
  • Patent number: 10209303
    Abstract: A signal processing apparatus includes a recording unit, an operation unit, a processing unit and an abnormality detector. The recording unit records configuration data therein. The operation unit performs arithmetic and logical operations on an input signal and outputs an operation signal indicative of the result of the operations. The operation unit has a circuit configuration defined by the configuration data recorded in the recording unit. The processing unit acquires the operation signal outputted from the operation unit, produces an output signal based on the acquired operation signal and outputs the produced output signal. The abnormality detector detects an abnormality of the circuit configuration of the operation unit. Moreover, in the signal processing apparatus, the processing unit is configured to further acquire an abnormality detection result from the abnormality detector after the acquisition of the operation signal and output the output signal depending on the abnormality detection result.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: February 19, 2019
    Assignee: DENSO CORPORATION
    Inventors: Tetsuya Kimata, Akira Nakashima
  • Patent number: 9881233
    Abstract: An image recognition apparatus includes a storage unit which stores a plurality of pieces of identical recognition reference data which are used as references for recognizing a specific object from an image, an image recognition unit which recognizes the specific object by alternately making a switch between the plurality of pieces of recognition reference data, on a frame basis, stored in the storage unit, for consecutive frames of the image acquired by an image acquisition unit, and a recognition determining unit which, on condition that recognition results obtained by the image recognition unit by using the plurality of pieces of recognition reference data meet a predetermined matching condition, outputs the recognition results as effective recognition results.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: January 30, 2018
    Assignee: DENSO CORPORATION
    Inventors: Akira Nakashima, Tetsuya Kimata
  • Patent number: 9852502
    Abstract: An image processing apparatus includes an image processing section periodically performing image processing for a periodically captured image, a diagnosing section comparing an image processing result obtained from diagnostic image data with an expected value data which indicates a reference for a normal processing result of image processing of the diagnostic image data and determining whether the image processing result obtained from the diagnostic image data is normal, by making the image processing section perform image processing for the diagnostic image data which is directly accessible by the image processing section in parallel with image processing periodically performed by the image processing section for the captured image, and an output controlling section outputting the processing result of image processing for the captured image as valid to a control section on condition that the image processing result obtained from the diagnostic image data is determined as normal by the diagnosing section.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: December 26, 2017
    Assignee: DENSO CORPORATION
    Inventors: Akira Nakashima, Tetsuya Kimata
  • Patent number: 9598611
    Abstract: A method for producing a high purity silica sol is provided. This method has enabled use of water glass for the starting material, and the resulting silica sol has a reduced metal impurity Cu and Ni content compared to conventional methods. The method comprises (1) ultrafiltration of an aqueous solution of an alkali silicate; (2) ion exchange process for removal of at least a part of cationic components in the purified aqueous solution of an alkali silicate; (3) another ion exchange process using a chelating ion exchange resin to obtain high purity silicate solution; and (4) adjustment of a part of the high purity silicate solution (seed solution) to alkaline pH and mixing of this solution with another part of the solution (feed solution) to produce a high purity silica sol having a Cu concentration and a Ni concentration (in relation to the dry silica) of up to 50 ppb.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: March 21, 2017
    Assignee: JGC Catalysts and Chemicals Ltd.
    Inventors: Kazuhiro Nakayama, Akira Nakashima, Michio Komatsu
  • Patent number: 9543697
    Abstract: A connector has a slider (60) with a base (61) extending along a width direction and to be inserted below a lock arm (17). Two arms (62) project from opposite widthwise ends of the base (61). A coupling (63) couples projecting end parts of the arms (62) and faces an upper surface side of the lock arm (17). A deflectable initial position holding portion (76) is provided on the base (61) and is configured to regulate a movement of the slider (60) to a connection position by resiliently locking an initial position holding receiving portion (25) of a housing main body (11) at an initial position. A connection position holding portion (64) is provided on the coupling (63) and is configured to regulate a detachment of the slider (60) by contacting a connection position holding receiving portion (23) of the lock arm (17) at the connection position.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: January 10, 2017
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Akira Nakashima, Norihito Hashimoto, Shigeto Kataoka, Naotaka Tanikawa, Hideto Nakamura
  • Patent number: 9484684
    Abstract: A connector includes a first housing (10) with a terminal accommodating portion (11) surrounded by a peripheral wall (17), a second housing (60) connectable to the first housing (10), and a detector (40) to detect a connected state of the housings (10, 60) based on whether the detector (40) moves from an initial position to a detection position in a space between the terminal accommodating portion (11) and the peripheral wall (17). An opening (22) extends circumferentially in a part of the peripheral wall (17) and exposes the detector (40). Deformation regulating portions (23, 53) are formed on the peripheral wall (17) and the detector member (40) and permit movements of the detector (40) between the initial position and the detection position and regulate deformation of the peripheral wall (17) to enlarge an opening width of the opening (22) by being fit to each other.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: November 1, 2016
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Naotaka Tanikawa, Akira Nakashima, Norihito Hashimoto, Shigeto Kataoka
  • Publication number: 20160117831
    Abstract: An image processing apparatus includes an image processing section periodically performing image processing for a periodically captured image, a diagnosing section comparing an image processing result obtained from diagnostic image data with an expected value data which indicates a reference for a normal processing result of image processing of the diagnostic image data and determining whether the image processing result obtained from the diagnostic image data is normal, by making the image processing section perform image processing for the diagnostic image data which is directly accessible by the image processing section in parallel with image processing periodically performed by the image processing section for the captured image, and an output controlling section outputting the processing result of image processing for the captured image as valid to a control section on condition that the image processing result obtained from the diagnostic image data is determined as normal by the diagnosing section.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Inventors: Akira Nakashima, Tetsuya Kimata
  • Publication number: 20160092752
    Abstract: An image recognition apparatus includes a storage unit which stores a plurality of pieces of identical recognition reference data which are used as references for recognizing a specific object from an image, an image recognition unit which recognizes the specific object by alternately making a switch between the plurality of pieces of recognition reference data, on a frame basis, stored in the storage unit, for consecutive frames of the image acquired by an image acquisition unit, and a recognition determining unit which, on condition that recognition results obtained by the image recognition unit by using the plurality of pieces of recognition reference data meet a predetermined matching condition, outputs the recognition results as effective recognition results.
    Type: Application
    Filed: September 29, 2015
    Publication date: March 31, 2016
    Inventors: Akira Nakashima, Tetsuya Kimata
  • Publication number: 20160079703
    Abstract: A connector has a slider (60) with a base (61) extending along a width direction and to be inserted below a lock arm (17). Two arms (62) project from opposite widthwise ends of the base (61). A coupling (63) couples projecting end parts of the arms (62) and faces an upper surface side of the lock arm (17). A deflectable initial position holding portion (76) is provided on the base (61) and is configured to regulate a movement of the slider (60) to a connection position by resiliently locking an initial position holding receiving portion (25) of a housing main body (11) at an initial position. A connection position holding portion (64) is provided on the coupling (63) and is configured to regulate a detachment of the slider (60) by contacting a connection position holding receiving portion (23) of the lock arm (17) at the connection position.
    Type: Application
    Filed: May 8, 2013
    Publication date: March 17, 2016
    Inventors: Akira Nakashima, Norihito Hashimoto, Shigeto Kataoka, Naotaka Tanikawa, Hideto Nakamura
  • Publication number: 20160064875
    Abstract: A connector includes a first housing (10) with a terminal accommodating portion (11) surrounded by a peripheral wall (17), a second housing (60) connectable to the first housing (10), and a detector (40) to detect a connected state of the housings (10, 60) based on whether the detector (40) moves from an initial position to a detection position in a space between the terminal accommodating portion (11) and the peripheral wall (17). An opening (22) extends circumferentially in a part of the peripheral wall (17) and exposes the detector (40). Deformation regulating portions (23, 53) are formed on the peripheral wall (17) and the detector member (40) and permit movements of the detector (40) between the initial position and the detection position and regulate deformation of the peripheral wall (17) to enlarge an opening width of the opening (22) by being fit to each other.
    Type: Application
    Filed: May 8, 2013
    Publication date: March 3, 2016
    Inventors: Naotaka Tanikawa, Akira Nakashima, Norihito Hashimoto, Shigeto Kataoka