Patents by Inventor Yukio Koyama
Yukio Koyama 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: 20240129202Abstract: An analysis device includes processing circuitry configured to acquire, from each network traffic sensor that monitors communication of an Internet of Things (IoT) device, a normal communication model that is used for monitoring the communication and indicates a characteristic of normal communication of the IoT device, cluster a normal communication model group of a same feature among acquired normal communication model groups, calculate a majority cluster that is a cluster having a largest number of normal communication models by using a result of the clustering, and calculate an average model of the normal communication model group belonging to the majority cluster, and notify the network traffic sensor serving as an acquisition source of the normal communication model of attribution information indicating whether or not the normal communication model belongs to the majority cluster and the average model.Type: ApplicationFiled: February 18, 2021Publication date: April 18, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takahiro NUKUSHINA, Iifan TYOU, Yukio NAGAFUCHI, Takaaki KOYAMA
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Patent number: 11931133Abstract: A measuring device includes a measuring part that performs an invasive blood pressure measurement using a transducer and detects that a blood pressure measured by the invasive blood pressure measurement becomes a predetermined abnormal state during the invasive blood pressure measurement, a detecting part that detects whether or not a zero-point calibration of the transducer is being carried out, and a notification control part that controls whether or not to output an alarm based on a detection state of the detecting part when the blood pressure becomes the predetermined abnormal state.Type: GrantFiled: October 30, 2015Date of Patent: March 19, 2024Assignee: NIHON KOHDEN CORPORATIONInventors: Yukio Koyama, Yoshiharu Harada, Masami Tanishima
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Patent number: 11483126Abstract: A physiological information system includes: a plurality of physiological information sensors configured to acquire physiological information data of a subject being tested, and a physiological information processing apparatus communicatively connected to each of the plurality of physiological information sensors. The physiological information processing apparatus is configured to transmit a synchronous packet toward each of the plurality of physiological information sensors.Type: GrantFiled: October 21, 2019Date of Patent: October 25, 2022Assignee: NIHON KOHDEN CORPORATIONInventors: Hironori Sugawara, Yukio Koyama, Hiroshi Kubo
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Patent number: 11291414Abstract: A patient monitor includes an interface configured to be connectable to a first sensor to measure first physiological information and to a second sensor to measure second physiological information, and a controller configured to actuate the second sensor to start a process for measuring the second physiological information in response to the first physiological information turning abnormal, the first physiological information being calculated based on a sensor signal acquired from the first sensor.Type: GrantFiled: March 20, 2019Date of Patent: April 5, 2022Assignee: NIHON KOHDEN CORPORATIONInventor: Yukio Koyama
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Patent number: 11253160Abstract: A measuring apparatus includes: a measuring section which performs an invasive blood pressure measurement, and which detects that a predetermined abnormal condition occurs in a blood pressure during the measurement; a detector which detects whether or not a zero point calibration is being executed on a transducer to be used in the measurement; and a notification controller which, in a case where the blood pressure measured by the measuring section is in the predetermined abnormal condition, controls whether an alarm is output or not, based on a detection state of the detector. The notification controller can select a first mode in which an alarm sound is output, or a second mode in which the alarm sound is not output, based on an elapsed time period from a predetermined timing relating to the zero point calibration, and an output from the measuring section.Type: GrantFiled: April 27, 2018Date of Patent: February 22, 2022Assignee: NIHON KOHDEN CORPORATIONInventors: Ryo Shinohara, Kazuri Higashi, Yukio Koyama
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Publication number: 20200195724Abstract: A physiological information processing apparatus is to be communicatively connected to a plurality of physiological information sensors each of which is configured to acquire physiological information data of a subject being tested. The physiological information processing apparatus is configured to: receive first physiological information data from a first physiological information sensor of the plurality of physiological information sensors, in an xth first subframe (x: natural number) of a plurality of first subframes divided from an nth main frame (n: natural number); and receive the first physiological information data from the first physiological information sensor, in an xth second subframe of a plurality of second subframes divided from an mth main frame (m: natural number).Type: ApplicationFiled: December 4, 2019Publication date: June 18, 2020Applicant: NIHON KOHDEN CORPORATIONInventors: Hironori SUGAWARA, Yukio KOYAMA, Hiroshi Kubo
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Publication number: 20200145183Abstract: A physiological information system includes: a plurality of physiological information sensors configured to acquire physiological information data of a subject being tested, and a physiological information processing apparatus communicatively connected to each of the plurality of physiological information sensors. The physiological information processing apparatus is configured to transmit a synchronous packet toward each of the plurality of physiological information sensors.Type: ApplicationFiled: October 21, 2019Publication date: May 7, 2020Inventors: Hironori SUGAWARA, Yukio KOYAMA, Hiroshi KUBO
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Publication number: 20190290216Abstract: A patient monitor includes an interface configured to be connectable to a first sensor to measure first physiological information and to a second sensor to measure second physiological information, and a controller configured to actuate the second sensor to start a process for measuring the second physiological information in response to the first physiological information turning abnormal, the first physiological information being calculated based on a sensor signal acquired from the first sensor.Type: ApplicationFiled: March 20, 2019Publication date: September 26, 2019Inventor: Yukio KOYAMA
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Patent number: 10398322Abstract: A biological information measuring apparatus includes a blood pressure pulse wave measuring unit configured to measure a blood pressure pulse wave of a subject, a unit pulse wave producing unit configured to produce unit pulse waves of a certain unit from the blood pressure pulse wave based on an analysis of heart beats of the subject, a unit pulse wave extracting unit configured to analyze the unit pulse waves produced by the unit pulse wave producing unit and to extract only necessary unit pulse waves in accordance with the analysis, and an output unit configured to perform an output based on the unit pulse waves extracted by the unit pulse wave extracting unit.Type: GrantFiled: June 2, 2015Date of Patent: September 3, 2019Assignee: NIHON KOHDEN CORPORATIONInventor: Yukio Koyama
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Patent number: 10165952Abstract: A biological information measuring apparatus and method are provided. A pulsation information detecting unit detects heartbeat information relating to a heartbeat of a subject. A pulse wave detecting unit detects a pulse wave while a portion of the subject is pressurized and depressurized by a cuff. An amplitude calculating unit detects a cardiac cycle of a heart from the heartbeat information and a maximal value of the pulse wave in each cardiac cycle, and calculates, based on the maximal value detected from the pulse wave, at least one of an amplitude value derived from the heartbeat of the subject, an amplitude value assisted by an IABP, and an amplitude value derived from a blood flow volume of the subject. A blood pressure calculating unit calculates a blood pressure value from a relationship between the amplitude values calculated by the amplitude calculating unit and a pressurizing force of the cuff.Type: GrantFiled: July 14, 2015Date of Patent: January 1, 2019Assignee: NIHON KOHDEN CORPORATIONInventors: Takashi Usuda, Hiroshi Kubo, Yukio Koyama
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Patent number: 10159416Abstract: A biological information measuring apparatus and a biological information measuring method are provided. The biological information measuring apparatus includes a pulsation information detecting unit configured to detect heartbeat information relating to a heartbeat of a subject, a blood pressure waveform measuring unit configured to measure a blood pressure waveform of the subject in an invasive manner, and a calculating unit configured to detect a cardiac cycle from the heartbeat information and to calculate, based on a detection of a maximal blood pressure value of the blood pressure waveform in the cardiac cycle, at least one of a systolic pressure of the subject, an end-diastolic pressure of the subject, an augmentation pressure of an IABP (intra-aortic balloon pumping), a systolic pressure assisted by the IABP and an end-diastolic pressure assisted by the IABP.Type: GrantFiled: July 15, 2015Date of Patent: December 25, 2018Assignee: NIHON KOHDEN CORPORATIONInventors: Hiroshi Kubo, Yukio Koyama
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Publication number: 20180325393Abstract: A measuring apparatus includes: a measuring section which performs an invasive blood pressure measurement, and which detects that a predetermined abnormal condition occurs in a blood pressure during the measurement; a detector which detects whether or not a zero point calibration is being executed on a transducer to be used in the measurement; and a notification controller which, in a case where the blood pressure measured by the measuring section is in the predetermined abnormal condition, controls whether an alarm is output or not, based on a detection state of the detector. The notification controller can select a first mode in which an alarm sound is output, or a second mode in which the alarm sound is not output, based on an elapsed time period from a predetermined timing relating to the zero point calibration, and an output from the measuring section.Type: ApplicationFiled: April 27, 2018Publication date: November 15, 2018Inventors: Ryo SHINOHARA, Kazuri HIGASHI, Yukio KOYAMA
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Publication number: 20160128584Abstract: A measuring device includes a measuring part that performs an invasive blood pressure measurement using a transducer and detects that a blood pressure measured by the invasive blood pressure measurement becomes a predetermined abnormal state during the invasive blood pressure measurement, a detecting part that detects whether or not a zero-point calibration of the transducer is being carried out, and a notification control part that controls whether or not to output an alarm based on a detection state of the detecting part when the blood pressure becomes the predetermined abnormal state.Type: ApplicationFiled: October 30, 2015Publication date: May 12, 2016Inventors: Yukio Koyama, Yoshiharu Harada, Masami Tanishima
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Publication number: 20160029908Abstract: A biological information measuring apparatus and method are provided. A pulsation information detecting unit detects heartbeat information relating to a heartbeat of a subject. A pulse wave detecting unit detects a pulse wave while a portion of the subject is pressurized and depressurized by a cuff. An amplitude calculating unit detects a cardiac cycle of a heart from the heartbeat information and a maximal value of the pulse wave in each cardiac cycle, and calculates, based on the maximal value detected from the pulse wave, at least one of an amplitude value derived from the heartbeat of the subject, an amplitude value assisted by an IABP, and an amplitude value derived from a blood flow volume of the subject. A blood pressure calculating unit calculates a blood pressure value from a relationship between the amplitude values calculated by the amplitude calculating unit and a pressurizing force of the cuff.Type: ApplicationFiled: July 14, 2015Publication date: February 4, 2016Applicant: NIHON KOHDEN CORPORATIONInventors: Takashi USUDA, Hiroshi KUBO, Yukio KOYAMA
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Publication number: 20160029903Abstract: A biological information measuring apparatus and a biological information measuring method are provided.Type: ApplicationFiled: July 15, 2015Publication date: February 4, 2016Applicant: NIHON KOHDEN CORPORATIONInventors: Hiroshi KUBO, Yukio KOYAMA
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Publication number: 20150359444Abstract: A biological information measuring apparatus includes a blood pressure pulse wave measuring unit configured to measure a blood pressure pulse wave of a subject, a unit pulse wave producing unit configured to produce unit pulse waves of a certain unit from the blood pressure pulse wave based on an analysis of heart beats of the subject, a unit pulse wave extracting unit configured to analyze the unit pulse waves produced by the unit pulse wave producing unit and to extract only necessary unit pulse waves in accordance with the analysis, and an output unit configured to perform an output based on the unit pulse waves extracted by the unit pulse wave extracting unit.Type: ApplicationFiled: June 2, 2015Publication date: December 17, 2015Applicant: NIHON KOHDEN CORPORATIONInventor: Yukio KOYAMA
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Patent number: 7162268Abstract: A detecting unit 5a detects the slope of a portable terminal 10. An input key 4 includes a plurality of keys. A control unit 3 generates a code C based on the slope of the portable telephone terminal 10 as detected by the slope detecting unit for displaying a pattern corresponding to the generated code C on a display unit 6.Type: GrantFiled: November 5, 2002Date of Patent: January 9, 2007Assignee: NEC CorporationInventor: Yukio Koyama
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Publication number: 20060292993Abstract: A detecting unit 5a detects the slope of a portable terminal 10. An input key 4 includes a plurality of keys. A control unit 3 generates a code C based on the slope of the portable telephone terminal 10 as detected by the slope detecting unit for displaying a pattern corresponding to the generated code C on a display unit 6.Type: ApplicationFiled: August 31, 2006Publication date: December 28, 2006Inventor: Yukio Koyama
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Publication number: 20030087669Abstract: A detecting unit 5a detects the slope of a portable terminal 10. An input key 4 includes a plurality of keys. A control unit 3 generates a code C based on the slope of the portable telephone terminal 10 as detected by the slope detecting unit for displaying a pattern corresponding to the generated code C on a display unit 6.Type: ApplicationFiled: November 5, 2002Publication date: May 8, 2003Applicant: NEC CORPORATIONInventor: Yukio Koyama
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Patent number: 5004516Abstract: There is disclosed an apparatus for bonding an adhesive rubber tape to both ends of a steel cord fabric. The apparatus comprises a unit for carrying the fabric, a unit for supplying the tape, and unit for folding and bonding the tape to both ends of the fabric. The folding/bonding unit includes a press rollers for bonding a widthwise half of the tape to upper end surfaces of the fabric, oblique rollers for folding an unbonded portion of the tape at both ends of the fabric, and taper rollers for bonding the folded tape to the fabric. The surfaces of oblique rollers are formed of transformable elastic materials, these rollers on each side of the steel cord fabric being disposed at different inclined angles.Type: GrantFiled: April 7, 1989Date of Patent: April 2, 1991Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Yukihiro Koga, Yukio Koyama