Patents by Inventor Hiroshi Usami

Hiroshi Usami 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: 20210008614
    Abstract: A casting device capable of manufacturing products in a short cycle time; and a casting method using this casting device. The casting device includes: a pressurized furnace; a mold having a cavity formed therein; a stalk; at least a first hot water tap in a cylindrical shape connecting the cavity and an end of the stalk on the downstream side in the ma ten metal filling direction and guiding the molten metal supplied to the stalk to inside the cavity; and a filter member provided in the first hot water tap. The filter member includes a flange extending along the extension direction of the first hot water tap and abutting an inner wall surface of the first hot water tap. A coolant passage having coolant flowing therethrough is provided in the vicinity of the inner wall surface.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 14, 2021
    Inventors: Kenichi Shuto, Masayuki Hattori, Takashi Idegomori, Hiroshi Takahashi, Tsuginori Usami, Keisuke Kagami
  • Patent number: 10767346
    Abstract: A work machine includes a hydraulic actuator configured to be driven via hydraulic oil. A control valve has a first pilot port and is connected to the hydraulic actuator to control the hydraulic actuator. The hydraulic actuator is configured to move in a first mode when a first pilot pressure is applied to the first pilot port. A first pilot valve is connected to the first pilot port of the control valve via the first pilot oil supply pipe to control applying the first pilot pressure to the first pilot port. The hydraulic oil is configured to be drained via a drain pipe. The drain pipe and the first pilot oil supply pipe are provided in a heat exchanger to exchange heat between the hydraulic oil in the drain pipe and the hydraulic oil in the first pilot oil supply pipe via the heat exchanger.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: September 8, 2020
    Assignee: KUBOTA CORPORATION
    Inventors: Keigo Honda, Yuji Fukuda, Takahiro Usami, Hiroshi Fujiwara
  • Publication number: 20200101213
    Abstract: Provided is a sterilized peritoneal dialysis solution which includes an acidic first solution containing icodextrin and a second solution containing 300 to 3,000 mg/L of L-histidine and a pH controlling agent, in which the first solution contains no pH controlling agent, a pH of the first solution after sterilization is 4.0 to 5.3, a pH of the second solution after sterilization is 6.5 to 8.0, and a pH after mixing the first solution and the second solution after sterilization is 6.5 to 7.5.
    Type: Application
    Filed: February 16, 2018
    Publication date: April 2, 2020
    Applicant: TERUMO KABUSHIKI KAISHA
    Inventors: Hirokazu USAMI, Hiroshi NISHITANI, Tsuyoshi ARIIZUMI
  • Publication number: 20200024830
    Abstract: A work machine includes a hydraulic actuator configured to be driven via hydraulic oil. A control valve has a first pilot port and is connected to the hydraulic actuator to control the hydraulic actuator. The hydraulic actuator is configured to move in a first mode when a first pilot pressure is applied to the first pilot port. A first pilot valve is connected to the first pilot port of the control valve via the first pilot oil supply pipe to control applying the first pilot pressure to the first pilot port. The hydraulic oil is configured to be drained via a drain pipe. The drain pipe and the first pilot oil supply pipe are provided in a heat exchanger to exchange heat between the hydraulic oil in the drain pipe and the hydraulic oil in the first pilot oil supply pipe via the heat exchanger.
    Type: Application
    Filed: May 31, 2019
    Publication date: January 23, 2020
    Applicant: Kubota Corporation
    Inventors: Keigo HONDA, Yuji FUKUDA, Takahiro USAMI, Hiroshi FUJIWARA
  • Patent number: 10427561
    Abstract: A vehicular seat is provided with which compactness can be achieved in a housed state where a seat main body is housed. A vehicular seat is a seat configured to be housed in a housing recess formed in a vehicle body floor. The vehicular seat includes: right and left rail devices fixed on the vehicle body floor and supporting a seat main body to be movable in the front to back direction; and a reclining device pivotably connecting the seat main body to a support base constructed on the right and left rail devices. The reclining device is arranged at a height position overlapping upper rails in the up and down direction, and is arranged outside the upper rails in a seat width direction.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 1, 2019
    Assignee: TS Tech Co., Ltd.
    Inventors: Takeshi Akutsu, Hideki Usami, Hiroshi Izawa, Daisuke Kitagawa
  • Publication number: 20190176726
    Abstract: Provided is an electric control unit which is configured to switch the functions of an LCC, an HSD, and an LSD depending on a load to be connected. A power-supply-side switching element 102 is provided in a path L1 between a power supply 401 and a connector terminal 301. A ground-side switching element 106 is provided in a path L2 between a ground 402 and a connector terminal 302. A freewheeling diode 105 is provided in a path L3 connected to a connection point P1 between the power-supply-side switching element 102 and the connector terminal 301 and a connection point P2 between the ground-side switching element 106 and the connector terminal 302. A switching element 104 is provided in the path L3.
    Type: Application
    Filed: June 12, 2017
    Publication date: June 13, 2019
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Hiroshi KANNO, Hiroshi USAMI, Yasuhiko NAGATA, Masataka OTA, Katsunori YAMASHITA
  • Patent number: 6879845
    Abstract: In a time-division multiplexing wireless communication system, an antenna module has plural antenna elements. Receiver high-frequency circuit synthesizes signals from the antenna elements according to an antenna directivity having a desired beam pattern. Demodulator selects one of the received signals from wireless terminals according to the synthesized received signals, and determines transmission beam direction information for use in directing the beam in the selected direction. Weighting circuit generates weight coefficients for setting of the beam patterns and transmission beam directions according to the transmission beam direction information, and produces transmission time slots according to a table listing the relations of the transmission beam directions and the time slots for use in the beam radiation in those directions.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: April 12, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Toshiro Suzuki, Ken Takei, Satoshi Takahashi, Hiroshi Usami, Yuuji Ishida
  • Patent number: 6442146
    Abstract: The present invention is directed to a TDMA communication system which is adapted to different communication environments or prepares different communication environments and allows each mobile station to be set for working in any one of the different communication environments. The communication system commonly uses a TDMA format that has a fixed frame-length and a constant number of bits for each of the slots composing the frame. The communication environments have prepared respective sets of communication conditions, each set including a transmission power, a modulating method, the number of multiplexed signals, error-correction, an antenna gain, a frequency hopping value and a diversity value. At each mobile station and each base station, one of plural sets of communication conditions for respective environments is selected to establish communication with each other under the selected environment.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: August 27, 2002
    Assignees: Sharp Kabushiki Kaisha, Hitachi Ltd., Mitsubishi Denki Kabushiki Kaisha, Communication Research Laboratory, Ministry of Posts and Telecommunications, Nippon Telegraph And Telephone Corporation, NTT Mobile Communications Network, Inc., YRP Mobile Telecommunications Key Technology Research Laboratories Co. Ltd.
    Inventors: Tetsuo Onodera, Hiroshi Usami, Akihiro Shibuya, Eimatsu Moriyama, Kiyoshi Hamaguchi, Yoichi Saito, Tadashi Matsumoto, Mitsuhiko Mizuno
  • Publication number: 20020068590
    Abstract: In a time-division multiplexing wireless communication system, an antenna module has plural antenna elements. Receiver high-frequency circuit synthesizes signals from the antenna elements according to an antenna directivity having a desired beam pattern. Demodulator selects one of the received signals from wireless terminals according to the synthesized received signals, and determines transmission beam direction information for use in directing the beam in the selected direction. Weighting circuit generates weight coefficients for setting of the beam patterns and transmission beam directions according to the transmission beam direction information, and produces transmission time slots according to a table listing the relations of the transmission beam directions and the time slots for use in the beam radiation in those directions.
    Type: Application
    Filed: August 16, 2001
    Publication date: June 6, 2002
    Inventors: Toshiro Suzuki, Ken Takei, Satoshi Takahashi, Hiroshi Usami, Yuuji Ishida
  • Patent number: 6157508
    Abstract: A magnetic recording/playback apparatus for recording information to a magnetic tape and playing back the information from the magnetic tape, includes first and second recording heads which are provided on a rotary cylinder and alternately record information to the magnetic tape. First and second playback heads are provided on the rotary cylinder at predetermined positions relative to the first and second recording heads, and alternately play back the information from the magnetic tape. A crosstalk canceling switch device cancels crosstalk at outputs of the first and second playback heads when the apparatus is run in a read-after-write mode, the crosstalk canceling switch device being set in a closed position during the read-and-write mode and interconnecting the output of the first playback head and the output of the second playback head.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: December 5, 2000
    Assignee: TEAC Corporation
    Inventor: Hiroshi Usami
  • Patent number: 5372545
    Abstract: A ventilator includes a ventilator fan and a sensor which detects a human body without contact. When a user performs the specific action, a comparator compares the action with a pattern stored in a memory. If the action matches the pattern, a controller controls the operation of the ventilator fan.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: December 13, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Etsuji Noda, Hiroshi Usami, Yoshiki Hashimoto
  • Patent number: 4933925
    Abstract: An optical tracking control apparatus comprises a differential amplifier for differentially amplifying signals respectively reproduced from two mutually adjacent track turns of a guide track on both sides of an intermediate part in which an information signal is recorded and reproduced on and from a disc, a zero crossing detector for detecting a zero crossing of an output signal of the differential amplifier and for producing a switching pulse signal, and a polarity inverting circuit responsive to the switching pulse signal for alternately inverting the polarity of a crosstalk component reproduced from the two mutually adjacent track turns of the guide track as crosstalk for every one-half period of the switching pulse signal. An output signal of the polarity inverting circuit is used as a tracking error signal for controlling the tracking of the light beam.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: June 12, 1990
    Assignee: Teac Corporation
    Inventors: Hirohisa Yamaguchi, Hiroshi Usami
  • Patent number: 4777543
    Abstract: In an automatic tracking system for a magnetic recording and reproducing apparatus wherein tracking is controlled so as to increase an amplitude of a reproduced signal which is delivered from a rotary head for reproducing a track recorded by a helical scan system, the amplitudes of the reproduced signal are detected at a plurality of points of time within one rotational cycle of the rotary head, and the tracking is controlled so as to increase a minimum value among the detected values at the plurality of points of time.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: October 11, 1988
    Assignee: Hitachi, Ltd.
    Inventors: Hideo Nishijima, Kaneyuki Okamoto, Katsuhiko Goto, Hiroshi Usami