Patents by Inventor Wataru Nakagawa

Wataru Nakagawa 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: 11807919
    Abstract: An aluminum alloy fin material for a heat exchanger is made of an aluminum alloy including 0.05 mass % to 0.5 mass % of Si, 0.05 mass % to 0.7 mass % of Fe, 10 mass % to 2.0 mass % of Mn, 0.5 mass % to 1.5 mass % of Cu, and 3.0 mass % to 7.0 mass % of Zn, with the balance being Al and unavoidable impurities. In an L-ST plane thereof, second-phase grains having an equivalent circle diameter equal to or more than 0.030 ?m and less than 0.50 ?m have a perimeter density of 0.30 ?m/?m2 or more, second-phase grains having an equivalent circle diameter equal to or more than 0.50 ?m have a perimeter density of 0.030 ?m/?m2 or more, and specific resistance thereof at 20° C. is 0.030 ??m or more.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: November 7, 2023
    Assignee: UACJ CORPORATION
    Inventors: Wataru Nakagawa, Atsushi Fukumoto, Junichi Mochizuki, Tatsuya Ide
  • Patent number: 10683598
    Abstract: A washing machine, which does not have a narrowed portion on a throw-in and takeout route of washings, so that washings can be thrown in and taken out smoothly. The washing machine of the present invention comprises: an inner tub for accommodating washings; an outer tub for accommodating the inner tub; a housing comprising a housing body that is configured to accommodate the outer tub and is open at the upper end, a fixed lid fixed to the upper end of the housing body, and a movable lid that is movably disposed on the fixed lid, makes the upper end of the housing body selectively open towards the outside, and is capable of forming a lid side opening for making an inner tub side opening formed on the upper end of the inner tub open upwards; and a water supply unit provided on the fixed lid and used for supplying water to the inner tub, wherein the inner circumference of the lid side opening has a shape and size that make the inner tub side opening substantially open upwards.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 16, 2020
    Assignees: QINGDAO HAIER WASHING MACHINE CO., LTD., AQUA CO., LTD
    Inventors: Takaaki Yonezawa, Tomonari Kawaguchi, Hiroki Sato, Yoshikazu Bamba, Takashi Onishi, Wataru Nakagawa
  • Patent number: 10634439
    Abstract: Provided are an aluminum alloy brazing sheet for heat exchangers, which exhibits excellent formability and brazeability, and an advantageous process for producing the same. The aluminum alloy brazing sheet for heat exchangers according to the present invention is configured such that: the aluminum alloy composition of a core material and the aluminum alloy composition and temper of a filler material are respectively controlled; and a core material portion of the brazing sheet has a specific electric resistivity at room temperature and a specific dispersion ratio of second phase particles. The brazing sheet is configured to further exhibit certain properties in terms of a work hardening exponent (n-value) where a nominal strain is within a range of 1%-2% and in terms of a push-in depth when a penetration crack is generated in a punch stretch forming test using a round-head punch having a diameter of 50 mm.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: April 28, 2020
    Assignee: UACJ Corporation
    Inventors: Wataru Nakagawa, Satoshi Tanaka
  • Publication number: 20190345587
    Abstract: An aluminum alloy fin material for a heat exchanger is made of an aluminum alloy including 0.05 mass % to 0.5 mass % of Si, 0.05 mass % to 0.7 mass % of Fe, 10 mass % to 2.0 mass % of Mn, 0.5 mass % to 1.5 mass % of Cu, and 3.0 mass % to 7.0 mass % of Zn, with the balance being Al and unavoidable impurities. In an L-ST plane thereof, second-phase grains having an equivalent circle diameter equal to or more than 0.030 ?m and less than 0.50 ?m have a perimeter density of 0.30 ?m/?m2 or more, second-phase grains having an equivalent circle diameter equal to or more than 0.50 ?m have a perimeter density of 0.030 ?m/?m2 or more, and specific resistance thereof at 20° C. is 0.030 ??m or more.
    Type: Application
    Filed: December 1, 2017
    Publication date: November 14, 2019
    Applicant: UACJ Corporation
    Inventors: Wataru Nakagawa, Atsushi Fukumoto, Junichi Mochizuki, Tatsuya Ide
  • Patent number: 10324461
    Abstract: A remote control apparatus capable of communicating with a control apparatus of an autonomously running work vehicle via a communication apparatus, the remote control apparatus comprising a communication apparatus, a control apparatus, a display apparatus, and cameras for obtaining images of the front and rear, wherein the display apparatus is provided with at least a remote control region for controlling the autonomously running work vehicle, a peripheral image region for displaying images captured by the cameras, and a work status display region, wherein the peripheral image region is provided with a frontal view and a rear view.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: June 18, 2019
    Assignee: YANMAR CO., LTD.
    Inventors: Kouhei Ogura, Wataru Nakagawa, Keiji Matsumoto, Akifumi Kuroda
  • Patent number: 10198010
    Abstract: If turning motion of an auxiliary moving work vehicle is complete, a control device (30) for an autonomous moving work vehicle (1) can communicate with a remote control device (112) provided in an auxiliary moving work vehicle (100) so that the autonomous moving work vehicle can restart work. Pivot turning, running for a set distance, and pausing are carried out. If a restart signal for a turning completion confirmation switch (114) provided in the auxiliary moving work vehicle (100) is received via the remote control device (112) or if a detected value for a steering sensor (120) provided in the auxiliary moving work vehicle (100) is sent to the control device (30) in the autonomous moving work vehicle (1) via the remote control device (112) and the auxiliary moving work vehicle (100) turning and pivot turning is confirmed to be completed, work restarts.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 5, 2019
    Assignee: Yanmar Co., Ltd.
    Inventors: Toshifumi Hiramatsu, Wataru Nakagawa, Hideaki Aoki
  • Publication number: 20180371668
    Abstract: Provided is a washing machine including: a housing having a housing body, a fixing lid and a movable lid, arranged for accommodating the tub, having a bottom wall supporting the tub from the lower side, and enables an upper end to be opened, the fixing lid is fixed to the upper end of the housing body, the movable lid is movably arranged on the fixing lid, the upper end of the housing body is selectively opened outwards and a lid side opening which upwards opens a drum side opening formed in the upper end part of a drum can be formed in the fixing lid; a damper vertically arranged from the bottom wall; and a hopper arranged between the drum side opening and the lid side opening.
    Type: Application
    Filed: February 28, 2017
    Publication date: December 27, 2018
    Applicants: Qingdao Haier Washing Machine Co., Ltd., Aqua Co., Ltd.
    Inventors: Takaaki Yonezawa, Tomonari Kawaguchi, Hiroki Sato, Yoshikazu Banba, Takashi Onishi, Wataru Nakagawa
  • Publication number: 20180363995
    Abstract: Provided are an aluminum alloy brazing sheet for heat exchangers, which exhibits excellent formability and brazeability, and an advantageous process for producing the same. The aluminum alloy brazing sheet for heat exchangers according to the present invention is configured such that: the aluminum alloy composition of a core material and the aluminum alloy composition and temper of a filler material are respectively controlled; and a core material portion of the brazing sheet has a specific electric resistivity at room temperature and a specific dispersion ratio of second phase particles. The brazing sheet is configured to further exhibit certain properties in terms of a work hardening exponent (n-value) where a nominal strain is within a range of 1%-2% and in terms of a push-in depth when a penetration crack is generated in a punch stretch forming test using a round-head punch having a diameter of 50 mm.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Applicant: UACJ Corporation
    Inventors: Wataru NAKAGAWA, Satoshi TANAKA
  • Publication number: 20180363207
    Abstract: A washing machine, which does not have a narrowed portion on a throw-in and takeout route of washings, so that washings can be thrown in and taken out smoothly. The washing machine of the present invention comprises: an inner tub for accommodating washings; an outer tub for accommodating the inner tub; a housing comprising a housing body that is configured to accommodate the outer tub and is open at the upper end, a fixed lid fixed to the upper end of the housing body, and a movable lid that is movably disposed on the fixed lid, makes the upper end of the housing body selectively open towards the outside, and is capable of forming a lid side opening for making an inner tub side opening formed on the upper end of the inner tub open upwards; and a water supply unit provided on the fixed lid and used for supplying water to the inner tub, wherein the inner circumference of the lid side opening has a shape and size that make the inner tub side opening substantially open upwards.
    Type: Application
    Filed: February 28, 2017
    Publication date: December 20, 2018
    Inventors: Takaaki YONEZAWA, Tomonari KAWAGUCHI, Hiroki SATO, Yoshikazu BAMBA, Takashi ONISHI, Wataru NAKAGAWA
  • Publication number: 20180327958
    Abstract: Provided is a washing machine including: a packing water-sealing part having a packing component arranged between an upper end part of the tub and an upper end part of the drum to inhibit water from leaking outwards from the tub; a labyrinth part adopting a labyrinth structure and for arranging ribs lower than the packing water-sealing part between an tub cover and the upper end part of the drum at an inner side of the packing water-sealing part; and a hopper serving as a heightened drum and arranged integrally with the tub cover for retaining water whose water level is higher than a water level at the upper end of the drum.
    Type: Application
    Filed: February 27, 2017
    Publication date: November 15, 2018
    Inventors: Takaaki YONEZAWA, Tomonari KAWAGUCHI, Hiroki SATO, Yoshikazu BAMBA, Takashi ONISHI, Wataru NAKAGAWA
  • Patent number: 10095241
    Abstract: The purpose of the present invention is to enable a parallel work by a first work vehicle and a second work vehicle to be achieved while measuring the locations of the work vehicles utilizing cheaper satellite location measurement systems. A first satellite location measurement system is mounted on one of a first work vehicle and a second work vehicle, a second satellite location measurement system, which has lower accuracy than that of the first satellite location measurement system, is mounted on a remote control device to be carried on the other of the work vehicles, the actual locations of the first work vehicle and the second work vehicle are measured by the first satellite location measurement system and the second satellite location measurement system, and the locations of the first work vehicle and the second work vehicle are displayed on a display device in the remote control device.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: October 9, 2018
    Assignee: Yanmar Co., Ltd.
    Inventors: Wataru Nakagawa, Kazuhisa Yokoyama
  • Publication number: 20180274156
    Abstract: The present disclosure provides a washing machine including: a washing drum which can rotate in a manner of intersecting an axis with an up-down direction; and a strip-shaped part extending from a lower part of the washing drum and connected with a part other than the washing drum. A rotating shaft as a rotating center of the washing drum is located in a position lower than the center of the washing drum in an axial direction of the washing drum or a center of gravity of the washing drum.
    Type: Application
    Filed: August 31, 2016
    Publication date: September 27, 2018
    Inventors: Takashi NAKANISHI, Tamotsu KAWAMURA, Kenji YOSHIDA, Haruo MAMIYA, Hiroki SATO, Wataru NAKAGAWA
  • Publication number: 20180245261
    Abstract: Disclosed is a washing machine. The washing machine includes: a machine housing; a washing tub having an inner tub which accommodates laundry and is rotatable and an outer tub for receiving the inner tub, and being provided inside the machine housing; four supporting members, which are configured to be in a shape of a rod suspended from the machine housing and elastically support the washing tub; and receiving portions, which are mounted at the lower portion of each of the supporting members respectively to connect the supporting members to the washing tub. All the receiving portions are provided at the same height. The length of a pair of front supporting members and that of a pair of rear supporting members are different.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 30, 2018
    Inventors: Hiroki SATO, Tamotsu KAWAMURA, Haruo MAMIYA, Kenji YOSHIDA, Takashi NAKANISHI, Wataru NAKAGAWA
  • Publication number: 20180237973
    Abstract: A washing machine is provided. The washing machine includes: a washing drum which is rotatable and intersects with an up-down direction; a rotating part having a plurality of concave parts arranged in a rotating direction of the washing drum, and the rotating part is connected with the washing drum so that the rotating part rotates integrally with the washing drum; and a locking part for locking rotation of the rotating part by fitting in the concave parts. In the washing machine, a nut member is in threaded connection with the threaded shaft and connected to the rotating part so that the nut member moves along the threaded shaft along with rotation of the threaded shaft, thereby causing the rotating part to rotate. A backlash between the locking part fitted in the concave parts and the rotating part is smaller than a backlash between the threaded shaft and the nut member.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 23, 2018
    Inventors: Takashi NAKANISHI, Tamotsu KAWAMURA, Kenji YOSHIDA, Haruo MAMIYA, Hiroki SATO, Wataru NAKAGAWA
  • Publication number: 20180237974
    Abstract: The present disclosure provides a washing, in which a washing drum can rotate in a manner of intersecting a perpendicular direction. A rotating part is connected with the washing drum in a manner of integral rotation. A nut member is connected with the rotating part, and is in threaded connection with a threaded shaft, and moves along a front-rear direction along with rotation of the threaded shaft, so that the rotating part rotates. A supporting part for supporting the threaded shaft in a manner of rotation is fixed to a base part. A detected part arranged on the nut member and configured to detect a rotating angle of the rotating part is detected by a sensor. A rotation-stopping protrusion arranged on the nut member is incorporated into a limiting part formed on the base part and extending along the front-rear direction in a shape of a straight line.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 23, 2018
    Inventors: Takashi NAKANISHI, Tamotsu KAWAMURA, Kenji YOSHIDA, Haruo MAMIYA, Hiroki SATO, Wataru NAKAGAWA
  • Publication number: 20180171527
    Abstract: Provided is a washing machine, which can save an installation space and can increase rigidity of a part for rotatably supporting a washing drum in a structure including the washing drum. The washing drum can rotate in a manner of crossing with a perpendicular direction. The washing machine includes: a washing drum capable of rotating in a manner of crossing with an up-down direction; a supporting member arranged on an outer side of the washing drum and rotatably supporting the washing drum; a bent part arranged on the supporting members and bent to a side of the washing drum; and an elastic supporting member mounted on the bent part and elastically supporting the supporting member.
    Type: Application
    Filed: August 25, 2016
    Publication date: June 21, 2018
    Inventors: Takashi NAKANISHI, Tamotsu KAWAMURA, Kenji YOSHIDA, Hiroki SATO, Wataru NAKAGAWA
  • Publication number: 20180073118
    Abstract: The aluminium-alloy brazing sheet fin material having a core material and a brazing material. Before heating for brazing, the fin material has an average degree of cladding of 6 to 16% for each surface, a thickness of 40 to 120 ?m and an electrical conductivity of 48 to 54% IACS and the core material has a metallographic structure having a distribution in which a Mn-based compound having an equivalent circular diameter of 0.05 to 0.50 ?m is present at an average distance between particles of 0.05 to 0.35 ?m. After heating for brazing, the fin material has an electrical conductivity of 40 to 44% IACS and the core material has a metallographic structure having a distribution in which a Mn-based compound having an equivalent circular diameter of 0.50 ?m or less is present at an average distance between particles of 0.45 ?m or less.
    Type: Application
    Filed: March 10, 2016
    Publication date: March 15, 2018
    Applicant: UACJ Corporation
    Inventors: Wataru NAKAGAWA, Satoshi TANAKA, Kazuko TERAYAMA
  • Publication number: 20170248946
    Abstract: A remote control apparatus capable of communicating with a control apparatus of an autonomously running work vehicle via a communication apparatus, the remote control apparatus comprising a communication apparatus, a control apparatus, a display apparatus, and cameras for obtaining images of the front and rear, wherein the display apparatus is provided with at least a remote control region for controlling the autonomously running work vehicle, a peripheral image region for displaying images captured by the cameras, and a work status display region, wherein the peripheral image region is provided with a frontal view and a rear view.
    Type: Application
    Filed: July 2, 2015
    Publication date: August 31, 2017
    Applicant: YANMAR CO., LTD.
    Inventors: Kouhei OGURA, Wataru NAKAGAWA, Keiji MATSUMOTO, Akifumi KURODA
  • Publication number: 20170177003
    Abstract: Provided is an accompanying traveling work system in which work is performed by a manned work vehicle that performs pre-process work ahead, and an unmanned first work vehicle that performs post-process work, so that the manned traveling work vehicle can work ahead, and the first work vehicle can performs post-process work while traveling in front of the second work vehicle, wherein the first work vehicle includes a control device that positions a machine body, utilizing a satellite positioning system, and causes the first work vehicle to automatically travel along a set traveling route R, and the first work vehicle traveling diagonally in front includes markers which are landmarks for an advancing direction of the manned work vehicle traveling diagonally behind.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 22, 2017
    Applicant: YANMAR CO., LTD.
    Inventors: Kazuhisa YOKOYAMA, Wataru NAKAGAWA
  • Publication number: 20140165655
    Abstract: A method for manufacturing a glass molding by using a molding device (100), the method including the steps of: supplying molten glass (82) from an outflow nozzle (12) onto an upper surface of a holding member (20), with an opening/closing portion (25) closed, and thereby forming a glass gob on an inner side of a drip pan ring (30); opening the opening/closing portion (25) after the glass gob reaches a prescribed amount, and thereby allowing the glass gob to fall; and press molding the glass gob by using a lower die (60) and an upper die (70), wherein in the step of supplying the molten glass (82) from the outflow nozzle (12) onto the upper surface of the holding member (20), a vibration generating device (40) vibrates the drip pan ring (30) at a prescribed frequency. A high-quality glass gob is formed and a high-precision glass molding is obtained.
    Type: Application
    Filed: July 3, 2012
    Publication date: June 19, 2014
    Inventor: Wataru Nakagawa