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).
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Publication number: 20210039114Abstract: 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: ApplicationFiled: June 29, 2018Publication date: February 11, 2021Applicant: Eppendorf Himac Technologies Co., Ltd.Inventors: Hisanobu OOYAMA, Hiroyuki TAKAHASHI
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Patent number: 10252279Abstract: 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: GrantFiled: December 17, 2014Date of Patent: April 9, 2019Assignee: KOKI HOLDINGS CO., LTD.Inventors: Tadashi Ohkawara, Yoshitaka Niinai, Hiroshi Hayasaka, Takeshi Taniguchi, Hisanobu Ooyama, Hiroyuki Takahashi
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Patent number: 9981274Abstract: 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: GrantFiled: April 13, 2012Date of Patent: May 29, 2018Assignee: HITACHI KOKI CO., LTD.Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
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Patent number: 9656275Abstract: 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: GrantFiled: December 17, 2014Date of Patent: May 23, 2017Assignee: HITACHI KOKI CO., LTD.Inventors: Hisanobu Ooyama, Kahoru Takahashi
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Patent number: 9517476Abstract: 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: GrantFiled: October 30, 2009Date of Patent: December 13, 2016Assignee: HITACHI KOKI CO., LTD.Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
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Patent number: 9517477Abstract: 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: GrantFiled: March 2, 2011Date of Patent: December 13, 2016Assignee: HITACHI KOKI CO., LTD.Inventors: Hiroyuki Takahashi, Hisanobu Ooyama
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Patent number: 9375730Abstract: 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: GrantFiled: April 13, 2012Date of Patent: June 28, 2016Assignee: HITACHI KOKI CO., LTD.Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
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Publication number: 20150174590Abstract: 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: ApplicationFiled: December 17, 2014Publication date: June 25, 2015Inventors: Tadashi Ohkawara, Yoshitaka Niinai, Hiroshi Hayasaka, Takeshi Taniguchi, Hisanobu Ooyama, Hiroyuki Takahashi
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Publication number: 20150174592Abstract: 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: ApplicationFiled: December 17, 2014Publication date: June 25, 2015Inventors: Hisanobu Ooyama, Kahoru Takahashi
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Publication number: 20140031191Abstract: 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: ApplicationFiled: April 13, 2012Publication date: January 30, 2014Applicant: HITACHI KOKI CO., LTD.Inventors: Masahiro Inaniwa, Hiroyuki Takahashi, Kouichi Akatsu, Hisanobu Ooyama, Yuki Hodotsuka, Hidetaka Osawa
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Patent number: 8409068Abstract: 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: GrantFiled: July 27, 2010Date of Patent: April 2, 2013Assignee: Hitachi Koki Co., Ltd.Inventors: Kouichi Akatsu, Masahiro Inaniwa, Hisanobu Ooyama, Shinichi Haruki
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Publication number: 20120260687Abstract: 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: ApplicationFiled: April 13, 2012Publication date: October 18, 2012Applicant: HITACHI KOKI CO., LTD.Inventors: Masahiro INANIWA, Hiroyuki TAKAHASHI, Kouichi AKATSU, Hisanobu OOYAMA, Yuki HODOTSUKA, Hidetaka OSAWA
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Patent number: 8262551Abstract: 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: GrantFiled: October 30, 2008Date of Patent: September 11, 2012Assignee: Hitachi Koki Co., Ltd.Inventors: Katsunori Akatsu, Yoshitaka Niinai, Hisanobu Ooyama
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Publication number: 20110230327Abstract: 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: ApplicationFiled: March 2, 2011Publication date: September 22, 2011Applicant: HITACHI KOKI CO., LTD.Inventors: Hiroyuki TAKAHASHI, Hisanobu OOYAMA
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Publication number: 20110207590Abstract: 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: ApplicationFiled: October 30, 2009Publication date: August 25, 2011Applicant: HITACHI KOKI CO., LTD.Inventors: Hisanobu Ooyama, Hiroyuki Takahashi, Shoji Kusumoto, Shinichi Haruki, Yuki Shimizu
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Publication number: 20110021332Abstract: 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: ApplicationFiled: July 27, 2010Publication date: January 27, 2011Inventors: Kouichi AKATSU, Masahiro Inaniwa, Hisanobu Ooyama, Shinichi Haruki
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Publication number: 20090170683Abstract: 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: ApplicationFiled: October 30, 2008Publication date: July 2, 2009Inventors: Katsunori AKATSU, Yoshitaka Niinai, Hisanobu Ooyama