Patents by Inventor Masakazu Sugaya

Masakazu Sugaya 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: 11443851
    Abstract: In order to determine, in a cancer test using nematodes, whether or not the nematodes used in the cancer test are adequate, the present invention is characterized in that after a plate on which a urine from a subject and the nematode are set is placed, a cancer test apparatus performs imaging for quality assay of the nematode during the initial two minutes; an analysis apparatus determines a quality of the nematode using the imaging result; after taxis of the nematode is completed, the cancer test apparatus performs imaging for cancer test assay by the nematode; and the analysis apparatus determines the presence or absence of a cancer in the subject using the imaging result.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: September 13, 2022
    Inventors: Minoru Sakairi, Masakazu Sugaya, Koichi Terada, Taku Nakamura, Norihito Kuno
  • Publication number: 20220065766
    Abstract: An object of the present invention is to provide an optical measurement technology capable of quantitatively measuring a size distribution of a particle that performs Brownian motion in a sample. A size distribution measurement device according to the present invention measures a reflected light intensity while scanning a focal point position along an optical axis direction of measurement light, and calculates the size distribution of the particle according to the highest reflected light intensity of the measured reflected light intensities (refer to FIG. 9).
    Type: Application
    Filed: January 9, 2019
    Publication date: March 3, 2022
    Inventors: Yumiko Anzai, Kentaro Osawa, Hiroyuki Minemura, Hiroyuki Nishihara, Masakazu Sugaya
  • Patent number: 11249069
    Abstract: A cancer analysis system includes, so as to perform an efficient image analysis in a cancer screening test using nematodes: a light source unit that irradiates a plate on which nematodes and a urine sample are plotted, from below; a photographing unit that takes an image of the plate irradiated by the light source unit; and an analyzer that analyzes the image taken by the photographing unit. The analyzer: couples a prescribed number of pixels in the image into a larger number of pixels thereof; and performs a chemotaxis assay of the nematodes based on a time variation of information on a luminous center of gravity of the image.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: February 15, 2022
    Inventors: Minoru Sakairi, Masakazu Sugaya, Koichi Terada, Taku Nakamura, Norihito Kuno
  • Publication number: 20210313138
    Abstract: Provided is a mirror electronic inspection device which is a defect inspection device for detecting a defect of a semiconductor substrate or the like, and evaluates temperature dependence of the defect in a vacuum. A heating stage including a heater (heat generating element) covered with an electrically insulated insulating material, a heater base on which a sample is mounted, and a heat shielding plate and equipotential surface is mounted on a moving stage installed in a sample chamber of a device via an electrically insulated and thermally insulated fixing member. A heater power supply is connected to the heater (heat generating element), and a sample application power supply is connected to the heater base. The heater power supply and the sample application power supply are electrically separated.
    Type: Application
    Filed: September 12, 2018
    Publication date: October 7, 2021
    Applicant: Hitachi High-Tech Corporation
    Inventors: Masahiro YAMAOKA, Masaki HASEGAWA, Masakazu SUGAYA, Akihiro FURUKAWA, Katsunori ONUKI
  • Patent number: 10945684
    Abstract: The ultrasonic CT device includes: a first water tank configured such that an object is inserted therein, the first water tank being filled with a medium through which an ultrasonic wave passes; a ring array that irradiates an ultrasonic wave to the object and detects an ultrasonic wave reflected by the object while moving on an outer surface of the first water tank; and a signal processing unit that generates a tomographic image of the object based on a signal obtained by the ring array. The ultrasonic CT device further includes: a second water tank that houses the first water tank and the ring array; and a lid having a hole or a notch which is provided on a side of the object in the second water tank and which drains the medium.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: March 16, 2021
    Assignee: HITACHI, LTD.
    Inventors: Yushi Tsubota, Masakazu Sugaya, Hideo Kashima, Takahide Terada, Kenichi Kawabata, Wenjing Wu, Kazuhiro Yamanaka, Ai Masuda
  • Publication number: 20190290223
    Abstract: The ultrasonic CT device includes: a first water tank configured such that an object is inserted therein, the first water tank being filled with a medium through which an ultrasonic wave passes; a ring array that irradiates an ultrasonic wave to the object and detects an ultrasonic wave reflected by the object while moving on an outer surface of the first water tank; and a signal processing unit that generates a tomographic image of the object based on a signal obtained by the ring array. The ultrasonic CT device further includes: a second water tank that houses the first water tank and the ring array; and a lid having a hole or a notch which is provided on a side of the object in the second water tank and which drains the medium.
    Type: Application
    Filed: February 11, 2019
    Publication date: September 26, 2019
    Inventors: Yushi TSUBOTA, Masakazu SUGAYA, Hideo KASHIMA, Takahide TERADA, Kenichi KAWABATA, Wenjing WU, Kazuhiro YAMANAKA, Ai MASUDA
  • Patent number: 10329525
    Abstract: There is the problem that a liquid culture medium fed by a pump has a high frequency of contact with a gas during movement in a tube, and the pH value of the liquid culture medium before and after feeding changes easily. In a liquid feeder and a cell culture apparatus provided therewith, a feed pipe 7 is connected with a gas bag 14, the liquid to be fed into the feed pipe 7 is fed so as to be sandwiched by a gas for suppressing the qualitative changes of the liquid. Furthermore, the gas bag is connected with a container 8 for holding a liquid, and holds the gas for suppressing qualitative changes of the liquid in a gas phase of the container.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: June 25, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Masaharu Kiyama, Guangbin Zhou, Takayuki Nozaki, Ryota Nakajima, Daisuke Suzuki, Yumiko Igarashi, Shizu Takeda, Taku Nakamura, Masakazu Sugaya, Koichi Terada
  • Publication number: 20190079071
    Abstract: A cancer analysis system includes, so as to perform an efficient image analysis in a cancer screening test using nematodes: a light source unit that irradiates a plate on which nematodes and a urine sample are plotted, from below; a photographing unit that takes an image of the plate irradiated by the light source unit; and an analyzer that analyzes the image taken by the photographing unit. The analyzer: couples a prescribed number of pixels in the image into a larger number of pixels thereof; and performs a chemotaxis assay of the nematodes based on a time variation of information on a luminous center of gravity of the image.
    Type: Application
    Filed: February 28, 2017
    Publication date: March 14, 2019
    Inventors: Minoru SAKAIRI, Masakazu SUGAYA, Koichi TERADA, Taku NAKAMURA, Norihito KUNO
  • Patent number: 10184100
    Abstract: The liquid feeder includes a liquid feeding pipe having a liquid introduce port and a liquid discharge port, a housing container which holds liquid to be introduced from the liquid introduce port, a liquid feed mechanism which feeds the liquid in the liquid feeding pipe to the liquid discharge port, a gas introduce unit which introduces gas into the liquid feeding pipe, and a liquid level detection unit which detects an advancing liquid level of the liquid to be fed in the liquid feeding pipe. The gas introduce unit is connected to a branch part provided in the liquid feeding pipe on the upstream side of the liquid feed mechanism. The liquid level detection unit is provided on the downstream side of the branch part.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: January 22, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Masaharu Kiyama, Guangbin Zhou, Takayuki Nozaki, Shizu Matsuoka, Masakazu Sugaya, Taku Nakamura, Koichi Terada
  • Patent number: 10153128
    Abstract: To realize a sample lifting and lowering device capable of easily responding to increase of a diameter of a sample with light weight and high rigidity as well as with less directional dependence of rigidity as the sample lifting lowering device arranged above a horizontal movement mechanism.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: December 11, 2018
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Masakazu Sugaya, Yusuke Moriwaki, Koichi Terada, Nobuo Shibata, Hironori Ogawa, Hiroyuki Kitsunai, Toshihiko Shimizu, Shuichi Nakagawa
  • Patent number: 10138450
    Abstract: An automatic culture device which employs closed-system culture vessels and in which, when a passage part (2) and a rotational valve mechanism (3) are configured, the multiple culture vessels in a culture vessel part (1) can be rendered equal in liquid-feeding conditions by, for example, regulating the length of each passage. As a result, the evenness in quality of cells incubated in the multiple culture vessels is rendered possible. Furthermore, by providing a mechanism which enables a user to normally set passages in the device, the evenness in quality of the cells is rendered possible likewise.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 27, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Takayuki Nozaki, Guangbin Zhou, Masaharu Kiyama, Ryota Nakajima, Shizu Matsuoka, Taku Nakamura, Masakazu Sugaya, Koichi Terada
  • Publication number: 20180313839
    Abstract: In order to determine, in a cancer test using nematodes, whether or not the nematodes used in the cancer test are adequate, the present invention is characterized in that after a plate on which a urine from a subject and the nematode are set is placed, a cancer test apparatus performs imaging for quality assay of the nematode during the initial two minutes; an analysis apparatus determines a quality of the nematode using the imaging result; after taxis of the nematode is completed, the cancer test apparatus performs imaging for cancer test assay by the nematode; and the analysis apparatus determines the presence or absence of a cancer in the subject using the imaging result.
    Type: Application
    Filed: November 30, 2015
    Publication date: November 1, 2018
    Inventors: Minoru SAKAIRI, Masakazu SUGAYA, Koichi TERADA, Taku NAKAMURA, Norihito KUNO
  • Patent number: 10087410
    Abstract: In culture vessels for producing biological samples, it is possible to prevent decrease in a temperature at the time of taking out the culture vessels from an automatic culture apparatus and during delivery of the culture vessels which have been taken out from the automatic culture apparatus. This invention includes a culture vessel 201 holding a biological sample therein, a heat storage portion 701 holding the culture vessel, and a heat insulation portion 601 surrounding the heat storage portion. The whole circumference or a part of 609, 610, and 611 of the heat insulation portion 601 is removable depending on an arrangement environment.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: October 2, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Takayuki Nozaki, Guangbin Zhou, Masaharu Kiyama, Taku Nakamura, Shizu Takeda, Ryota Nakajima, Masakazu Sugaya, Koichi Terada
  • Patent number: 10048172
    Abstract: In order to save a space for an apparatus for inspecting a substance and reduce a cost thereof, a particle testing apparatus includes a plurality of collection ports for collecting substances to be inspected, centrifuges for concentrating particles collected in the collection ports, the centrifuges being connected to the respective collection ports in pairs, and a common analysis apparatus for acquiring the concentrated particles from the centrifuges and analyzing the particles, the analysis apparatus being connected to the centrifuges.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: August 14, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Masakazu Sugaya, Hideo Kashima, Koichi Terada, Yasuaki Takada, Hisashi Nagano
  • Publication number: 20180138009
    Abstract: To realize a sample lifting and lowering device capable of easily responding to increase of a diameter of a sample with weight and high rigidity as well as with less directional dependence of rigidity as the sample lifting lowering device arranged above a horizontal movement mechanism.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 17, 2018
    Inventors: Masakazu SUGAYA, Yusuke MORIWAKI, Koichi TERADA, Nobuo SHIBATA, Hironori OGAWA, Hiroyuki KITSUNAI, Toshihiko SHIMIZU, Shuichi NAKAGAWA
  • Patent number: 9850696
    Abstract: In a conventional fine particle detection device that vaporizes fine particles attached to the object of examination by heating, processing capability decreases as the processing time elapses due to the influence of deposition of fine particles other than the object of examination, dirt/dust, a residue of the fine particles as the object of examination, or residual matter.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: December 26, 2017
    Assignee: Hitachi, Ltd.
    Inventors: Masakazu Sugaya, Koichi Terada, Hideo Kashima, Yasuaki Takada, Hisashi Nagano
  • Publication number: 20170342365
    Abstract: To provide a closed system culture vessel for realizing culturing in which an aseptic state is maintained at the time of culturing, and making the reduction of the shear stress generated during conveyance after manufacturing possible. A closed system culture vessel 201 holds a second vessel 302 consisting of an insert vessel on the inside of a first vessel 301, and a lid portion 303 of the closed system culture vessel 201 forms a closed space with the first vessel 301 and has a convex portion 305 contacting the entire outer circumference of the second vessel 302. During conveyance, the closed system culture vessel is conveyed in a state in which the culture medium for conveyance is filled within the second vessel 302.
    Type: Application
    Filed: March 27, 2015
    Publication date: November 30, 2017
    Inventors: Takayuki NOZAKI, Guangbin ZHOU, Masaharu KIYAMA, Masakazu SUGAYA
  • Publication number: 20170198249
    Abstract: There is the problem that a liquid culture medium fed by a pump has a high frequency of contact with a gas during movement in a tube, and the pH value of the liquid culture medium before and after feeding changes easily. In a liquid feeder and a cell culture apparatus provided therewith, a feed pipe 7 is connected with a gas bag 14, the liquid to be fed into the feed pipe 7 is fed so as to be sandwiched by a gas for suppressing the qualitative changes of the liquid. Furthermore, the gas bag is connected with a container 8 for holding a liquid, and holds the gas for suppressing qualitative changes of the liquid in a gas phase of the container.
    Type: Application
    Filed: July 23, 2014
    Publication date: July 13, 2017
    Inventors: Masaharu KIYAMA, Guangbin ZHOU, Takayuki NOZAKI, Ryota NAKAJIMA, Daisuke SUZUKI, Yumiko IGARASHI, Shizu TAKEDA, Taku NAKAMURA, Masakazu SUGAYA, Koichi TERADA
  • Patent number: 9696288
    Abstract: Provided is a technique to identify a sample substance attached to an inspection target easily and precisely, while improving the rate of operation and reducing the number of persons required for inspection. A trace detecting system includes detection means to detect the size (vertical and horizontal dimensions) of an inspection target, and selects an air nozzle capable of spraying air jet at 15 m/s or more to the surface of the inspection target for air jet spraying.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: July 4, 2017
    Assignee: HITACHI, LTD.
    Inventors: Hideo Kashima, Masakazu Sugaya, Koichi Terada, Yasunori Doi, Yasutaka Suzuki, Hisashi Nagano, Yuichiro Hashimoto, Yasuaki Takada
  • Publication number: 20170145365
    Abstract: A culture which maintains an aseptic state at the time of culturing is achieved, the avoidance of damage to a closed-system culture vessel and of an influence to the cells due to impacts and oscillation is possible during transportation after being manufactured. The closed-system culture vessel 101 has culture vessels 201, 202 for maintaining the cells and/or the culture medium, and a culturing space which is closed by holding members 203, 204 for holding the culture vessels, and the holding member has a semi-open cavity 221 independent of the culturing space. Further, the holding member, by being provided with a lid fixing ring 220 surrounding a connector part 214, is not damaged even when impacts are applied during transportation.
    Type: Application
    Filed: July 29, 2014
    Publication date: May 25, 2017
    Inventors: Takayuki NOZAKI, Masaharu KIYAMA, Masakazu SUGAYA, Guangbin ZHOU, Taku NAKAMURA, Daisuke SUZUKI, Shizu TAKEDA, Yumiko IGARASHI, Koichi TERADA