Patents by Inventor Hisanobu Ooyama

Hisanobu Ooyama 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: 20210039114
    Abstract: Provided is a centrifuge capable of improving user operability. The centrifuge has a rotor chamber and a door for opening and closing the rotor chamber, wherein the centrifuge includes a presence and absence detection part for detecting presence or absence of a rotor, a door locking mechanism capable of switching between a locked state for inhibiting opening of the door and an unlocked state for allowing opening of the door, and a first control part configured to perform an operation of setting the door locking mechanism to be the unlocked state when the rotor is accommodated in the rotor chamber and configured to set the door locking mechanism to be the unlocked state when an unlocking passcode is input.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 11, 2021
    Applicant: Eppendorf Himac Technologies Co., Ltd.
    Inventors: Hisanobu OOYAMA, Hiroyuki TAKAHASHI
  • Patent number: 10252279
    Abstract: A centrifuge including a rotor, a rotor chamber having an opening, a motor, a door configured to close the opening, an input/output unit configured to receive an input of an operating condition and to display an operating status, and a housing accommodating therein the rotor, the rotor chamber, the motor, the door and the input/output unit, wherein the housing has the opening at an upper surface thereof, wherein a light emitting part having a horizontal width longer than the opening is provided in the vicinity of a corner portion at which the upper surface and a front surface of the housing intersect with each other or in the vicinity of a front side of the opening, and wherein a light emitting form of the light emitting part is configured to be changed depending on the operating status.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: April 9, 2019
    Assignee: KOKI HOLDINGS CO., LTD.
    Inventors: Tadashi Ohkawara, Yoshitaka Niinai, Hiroshi Hayasaka, Takeshi Taniguchi, Hisanobu Ooyama, Hiroyuki Takahashi
  • Patent number: 9981274
    Abstract: A centrifuge including: a rotor configured to hold a sample and configured to be detachably mounted, a rotation chamber accommodating the rotor, a plurality of motors configured to be rotationally driven by three-phase AC power, and a control device configured to control centrifuging operation, wherein one of the plurality of motors is a centrifuge motor configured to rotate the rotor, and the control device is configured to change distribution of power supplied to the centrifuge motor and power supplied to another motor of the plurality of motors during one operation.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: May 29, 2018
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
  • Patent number: 9656275
    Abstract: A centrifuge including a rotor, a rotor chamber accommodating therein the rotor and having an opening, a motor configured to rotate the rotor, a door configured to close the opening of the rotor chamber, an input unit configured to receive an input of an operation condition, a display unit configured to display an operating status, and a control unit configured to control rotation of the motor, wherein the control unit is configured to perform a program operation under an operation condition including a plurality of steps, and wherein the control unit is configured so that a specific step of stopping the rotation of the rotor and permitting the door to be opened or closed can be set as at least one of the plurality of steps.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 23, 2017
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Hisanobu Ooyama, Kahoru Takahashi
  • Patent number: 9517476
    Abstract: According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
  • Patent number: 9517477
    Abstract: A centrifuge includes: a driving unit; a rotor configured to be rotated by the driving unit and hold a sample; a control unit configured to control rotation of the driving unit; and a communication controller configured to communicate with an external network. The control unit has an automatic transmission mode in which operation data is collected at predetermined intervals while the centrifuge is operating and the operation data is periodically transmitted to a data managing apparatus through the network.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: December 13, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Hiroyuki Takahashi, Hisanobu Ooyama
  • Patent number: 9375730
    Abstract: A centrifuge including: a rotor configured to be driven by a motor and to hold a sample, a centrifuge inverter, a chamber accommodating the rotor, a temperature sensor configured to detect the temperature of the chamber, a cooling machine configured to cool the chamber and including a compressor, a compressor inverter, a compressor motor configured to be controlled in a variable speed and a control device, wherein the control device carries out a feedback control of the compressor motor based on a preset temperature and a detected temperature of the temperature sensor when the rotation number of the compressor motor is larger than a predetermined rotation number, and the control device carries out an intermittent control for turning ON-OFF the cooling function of the compressor when the rotation number of the compressor motor is smaller than a predetermined rotation number.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 28, 2016
    Assignee: HITACHI KOKI CO., LTD.
    Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
  • Publication number: 20150174590
    Abstract: A centrifuge including a rotor, a rotor chamber having an opening, a motor, a door configured to close the opening, an input/output unit configured to receive an input of an operating condition and to display an operating status, and a housing accommodating therein the rotor, the rotor chamber, the motor, the door and the input/output unit, wherein the housing has the opening at an upper surface thereof, wherein a light emitting part having a horizontal width longer than the opening is provided in the vicinity of a corner portion at which the upper surface and a front surface of the housing intersect with each other or in the vicinity of a front side of the opening, and wherein a light emitting form of the light emitting part is configured to be changed depending on the operating status.
    Type: Application
    Filed: December 17, 2014
    Publication date: June 25, 2015
    Inventors: Tadashi Ohkawara, Yoshitaka Niinai, Hiroshi Hayasaka, Takeshi Taniguchi, Hisanobu Ooyama, Hiroyuki Takahashi
  • Publication number: 20150174592
    Abstract: A centrifuge including a rotor, a rotor chamber accommodating therein the rotor and having an opening, a motor configured to rotate the rotor, a door configured to close the opening of the rotor chamber, an input unit configured to receive an input of an operation condition, a display unit configured to display an operating status, and a control unit configured to control rotation of the motor, wherein the control unit is configured to perform a program operation under an operation condition including a plurality of steps, and wherein the control unit is configured so that a specific step of stopping the rotation of the rotor and permitting the door to be opened or closed can be set as at least one of the plurality of steps.
    Type: Application
    Filed: December 17, 2014
    Publication date: June 25, 2015
    Inventors: Hisanobu Ooyama, Kahoru Takahashi
  • Publication number: 20140031191
    Abstract: A centrifuge including: a rotor configured to hold a sample and configured to be detachably mounted, a rotation chamber accommodating the rotor, a plurality of motors configured to be rotationally driven by three-phase AC power, and a control device configured to control centrifuging operation, wherein one of the plurality of motors is a centrifuge motor configured to rotate the rotor, and the control device is configured to change distribution of power supplied to the centrifuge motor and power supplied to another motor of the plurality of motors during one operation.
    Type: Application
    Filed: April 13, 2012
    Publication date: January 30, 2014
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
  • Patent number: 8409068
    Abstract: A centrifuge comprises a rotor for holding a sample, a rotation chamber for housing the rotor, a motor for rotating the rotor, an oil diffusion pump for reducing a pressure within the rotation chamber, and a control unit for controlling the heater temperature of the oil diffusion pump for a target set temperature. The control unit changes the target set temperature from a first given temperature to a second given temperature that is lower than the first given temperature after a given period of time elapses since the start of control of the heater temperature.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: April 2, 2013
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Kouichi Akatsu, Masahiro Inaniwa, Hisanobu Ooyama, Shinichi Haruki
  • Publication number: 20120260687
    Abstract: A centrifuge including: a rotor configured to be driven by a motor and to hold a sample, a centrifuge inverter, a chamber accommodating the rotor, a temperature sensor configured to detect the temperature of the chamber, a cooling machine configured to cool the chamber and including a compressor, a compressor inverter, a compressor motor configured to be controlled in a variable speed and a control device, wherein the control device carries out a feedback control of the compressor motor based on a preset temperature and a detected temperature of the temperature sensor when the rotation number of the compressor motor is larger than a predetermined rotation number, and the control device carries out an intermittent control for turning ON-OFF the cooling function of the compressor when the rotation number of the compressor motor is smaller than a predetermined rotation number.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 18, 2012
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Masahiro INANIWA, Hiroyuki TAKAHASHI, Kouichi AKATSU, Hisanobu OOYAMA, Yuki HODOTSUKA, Hidetaka OSAWA
  • Patent number: 8262551
    Abstract: According to an aspect of the invention, a centrifuge includes: a rotor for separating samples; a motor for driving and rotating the rotor; a drive shaft for connecting together the motor and the rotor; a rotation sensor for detecting at least one of the rotation speed of the motor and the rotor; and a displacement sensor for detecting the swinging motion of the rotor or the drive shaft, wherein, after one of speed of the motor and the rotor is accelerated up to previously set rotation speed, when the swinging amount of the rotor or the drive shaft is equal to or more than preset allowable value, the supply of power to the motor is stopped to decelerate the motor, wherein, during the deceleration, signal from the displacement sensor is compared with the preset allowable value, and wherein when the signal from the displacement sensor becomes equal to or less than the preset allowable value, the motor is accelerated.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: September 11, 2012
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Katsunori Akatsu, Yoshitaka Niinai, Hisanobu Ooyama
  • Publication number: 20110230327
    Abstract: A centrifuge includes: a driving unit; a rotor configured to be rotated by the driving unit and hold a sample; a control unit configured to control rotation of the driving unit; and a communication controller configured to communicate with an external network. The control unit has an automatic transmission mode in which operation data is collected at predetermined intervals while the centrifuge is operating and the operation data is periodically transmitted to a data managing apparatus through the network.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 22, 2011
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Hiroyuki TAKAHASHI, Hisanobu OOYAMA
  • Publication number: 20110207590
    Abstract: According to an aspect of the present invention, there is provided a centrifuge including: a driving unit which rotates a rotor on which a sample is held; an input/output unit which displays information thereon and receives an input from a user therethrough; and a control unit which controls a rotation speed of the rotor to an input set rotation speed; wherein, when the rotor is rotating, the input/output unit displays first time information corresponding to a time when the rotor has been accelerated to the set rotation speed.
    Type: Application
    Filed: October 30, 2009
    Publication date: August 25, 2011
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
  • Publication number: 20110021332
    Abstract: A centrifuge comprises a rotor for holding a sample, a rotation chamber for housing the rotor, a motor for rotating the rotor, an oil diffusion pump for reducing a pressure within the rotation chamber, and a control unit for controlling the heater temperature of the oil diffusion pump for a target set temperature. The control unit changes the target set temperature from a first given temperature to a second given temperature that is lower than the first given temperature after a given period of time elapses since the start of control of the heater temperature.
    Type: Application
    Filed: July 27, 2010
    Publication date: January 27, 2011
    Inventors: Kouichi AKATSU, Masahiro Inaniwa, Hisanobu Ooyama, Shinichi Haruki
  • Publication number: 20090170683
    Abstract: According to an aspect of the invention, a centrifuge includes: a rotor for separating samples; a motor for driving and rotating the rotor; a drive shaft for connecting together the motor and the rotor; a rotation sensor for detecting at least one of the rotation speed of the motor and the rotor; and a displacement sensor for detecting the swinging motion of the rotor or the drive shaft, wherein, after one of speed of the motor and the rotor is accelerated up to previously set rotation speed, when the swinging amount of the rotor or the drive shaft is equal to or more than preset allowable value, the supply of power to the motor is stopped to decelerate the motor, wherein, during the deceleration, signal from the displacement sensor is compared with the preset allowable value, and wherein when the signal from the displacement sensor becomes equal to or less than the preset allowable value, the motor is accelerated.
    Type: Application
    Filed: October 30, 2008
    Publication date: July 2, 2009
    Inventors: Katsunori AKATSU, Yoshitaka Niinai, Hisanobu Ooyama