Patents by Inventor Tetsuri ARIYAMA
Tetsuri ARIYAMA 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: 20240245350Abstract: A vital signs information processing apparatus includes an obtaining unit configured to obtain vascular dynamic information indicating a circulation state of blood of a subject; and a processor configured to perform a normalization processing on the vascular dynamic information to obtain an index value of pain evaluation of the subject. The processor is configured to calculate a reference value, based on the vascular dynamic information obtained in a reference period before a start of a treatment event related to a treatment for the subject, calculate a target value, based on the vascular dynamic information obtained after the start of the treatment event, and calculate a ratio of the target value to the reference value as the index value, as the normalization processing.Type: ApplicationFiled: January 17, 2024Publication date: July 25, 2024Applicant: NIHON KOHDEN CORPORATIONInventors: Hideki OCHIAI, Minoru MATSUSHIMA, Tetsuri ARIYAMA
-
Publication number: 20240138779Abstract: A physiological information processing apparatus includes one or more processors, and one or more memories configured to store a computer readable instruction, when the computer readable instruction is executed by the processor, the physiological information processing apparatus is configured to: cause a plurality of physiological sensors to intermittently operate such that an operation time and a standby time are alternately repeated; obtain a plurality of pieces of physiological information on a patient from the plurality of physiological sensors during the operation time; and change an operation mode of the plurality of physiological sensors that intermittently operate in accordance with a condition related to at least a part of the plurality of pieces of physiological information or a condition related to at least a part of the plurality of physiological sensors.Type: ApplicationFiled: October 16, 2023Publication date: May 2, 2024Applicant: NIHON KOHDEN CORPORATIONInventors: Tetsuri ARIYAMA, Kenji OHARA, Minoru MATSUSHIMA, Hideki OCHIAI
-
Publication number: 20230414168Abstract: A physiological information processing device includes one or more processors, and one or more memories for storing computer-readable commands. When the computer-readable commands are executed by the processors, the physiological information processing device executes processing of acquiring attribute information associated with an attribution of an infant, acquiring state information related to a state of the infant before a start of a pain event that causes pain in the infant, acquiring physiological information data of the infant, acquiring facial expression information associated with infant's facial expression after the start of the pain event, calculating a pain assessment index for assessing the pain of the infant in the pain event based on the attribute information, the state information, the physiological information data, and the facial expression information, and outputting the calculated pain assessment index.Type: ApplicationFiled: June 20, 2023Publication date: December 28, 2023Inventors: Tetsuri Ariyama, Minoru Matsushima, Hideki Ochiai, Nobuyuki Yasumaru, Rie Fukuhara
-
Patent number: 11660025Abstract: An identification device including a generation unit and an information identification unit. The generation unit generates factor information relating to pulse-wave information with respect to an identification target in accordance with biological model information representing a relevance between pulse-wave information representing a pulse wave and the factor information representing a factor of pulse wave. The information identification unit selects certain list information satisfying a predetermined determination criterion of the factor information generated by the generation unit out of list information associating the factor information generated based on the pulse-wave information representing a pulse wave of a biological subject to be an identification target with identification information for identifying the biological subject, and identifies the identification information in the selected certain list information.Type: GrantFiled: July 11, 2017Date of Patent: May 30, 2023Assignee: NEC CORPORATIONInventors: Tetsuri Ariyama, Terumi Umematsu, Yuji Ohno, Katsumi Abe, Mineto Satoh, Takeshi Akagawa, Masahiro Kubo, Tan Azuma, Kenichiro Fujiyama, Soichiro Araki
-
Patent number: 11557372Abstract: Provided are a prediction device and the like capable of more accurately simulating an analysis target. The prediction device generates function information for a gene sequence of a living body to be an analysis target based on first model information representing a relevance between sequence information and the function information, the sequence information representing the gene sequence of the analysis target, the function information representing a function potentially expressed by the gene sequence; and generates prediction information representing observation information predicted for the analysis target based on second model information and the function information, the second model information representing a relevance among the function information of the living body, environment information representing an environment around the living body, and the observation information observed for the living body, the function information being generated for the gene sequence of the analysis target.Type: GrantFiled: June 30, 2017Date of Patent: January 17, 2023Assignee: NEC CORPORATIONInventors: Mineto Satoh, Soichiro Araki, Kenichiro Fujiyama, Tetsuri Ariyama, Tan Azuma
-
Publication number: 20220409129Abstract: A physiological information processing method executed by a computer includes: obtaining a stress index parameter indicating a stress index of a subject based on physiological information data of the subject; comparing the stress index parameter with a predetermined threshold value; determining that the subject is stressed in accordance with the comparison between the stress index parameter and the predetermined threshold value; and outputting stress information indicating that the subject is stressed.Type: ApplicationFiled: June 14, 2022Publication date: December 29, 2022Inventors: Tetsuri ARIYAMA, Kenji OHARA, Minoru MATSUSHIMA, Hideki OCHIAI
-
Patent number: 11436871Abstract: A living body determination device includes: a light irradiation device that irradiates a measuring object with a first light including a plurality of spectrums; a spectroscopic device that disperses a light at intensity depending on a wavelength and outputs the light; an image acquisition device that receives the light output by the spectroscopic device and outputs image information representing brightness depending on the intensity of the light; and a control unit. The control unit, for each spectrum of the first light, acquires image information with respect to the measuring object from the image acquisition device, based on the image information, selects one or more areas, for each of the areas, acquires spectroscopic information, and based on whether the spectroscopic information satisfies a predetermined condition, determines whether the measuring object is a living body.Type: GrantFiled: April 24, 2020Date of Patent: September 6, 2022Assignee: NEC CORPORATIONInventors: Yuji Ohno, Masahiro Kubo, Katsumi Abe, Ersin Altintas, Takeshi Akagawa, Tetsuri Ariyama
-
Patent number: 11298031Abstract: The purpose of the present invention is to provide a sphygmomanometer that has a high level of measurement accuracy and places a low burden upon a subject whose systolic pressure is being measured. To this end, the sphygmomanometer according to the present invention is characterized by comprising: a cuff pressure and pulse wave detecting unit that detects cuff pressure and pulse waves; and a blood pressure calculating unit that divides pulse waves detected by the cuff pressure and pulse wave detecting unit into a plurality of sections within a specific period, and calculates an estimated value for systolic pressure on the basis of fluctuations in the symmetry of the pulse wave waveform in the plurality of sections, said fluctuations occurring along with variations in the cuff pressure detected by the cuff pressure and pulse wave detecting unit.Type: GrantFiled: March 17, 2017Date of Patent: April 12, 2022Assignee: NEC CORPORATIONInventors: Tetsuri Ariyama, Masahiro Kubo, Katsumi Abe, Ersin Altintas, Yuji Ohno, Takeshi Akagawa
-
Patent number: 11231272Abstract: Optical measuring apparatus includes: a light source irradiating an object to be measured; a splitter splitting transmitted light or reflected light from the object to be measured; a phase changer changing a phase of a first light which is one of the lights split; a phase fixer maintaining a phase of a second light which is the other light split; a multiplexer multiplexing lights output from the phase changer and the phase fixer; a detector detecting the light (interference image) output from the multiplexer; and a controller that extracts a reference point from the interference image, when a displacement of the reference point is detected, corrects a luminance value for each pixel of the interference images in accordance with a displacement of the object to be measured indicated by a displacement of the reference point, constructs an interferogram based on the luminance value for each pixel of the interference images after the correction.Type: GrantFiled: October 30, 2018Date of Patent: January 25, 2022Assignees: NEC CORPORATION, NATIONAL UNIVERSITY CORPORATION KAGAWA UNIVERSITYInventors: Takeshi Akagawa, Masahiro Kubo, Katsumi Abe, Ersin Altintas, Yuji Ohno, Tetsuri Ariyama, Ichiro Ishimaru
-
Patent number: 11231694Abstract: Provided is an information processing device, etc., that provides information which is the basis for quick detection of abnormalities that occur in a device. An information processing device calculates a degree of suitability between observation information and prediction information, the observation information observed for a system suffering an effect from an certain device, the prediction information predicted in accordance with a model for a state of the system; and calculates a difference between manipulation amount to the certain device and predictive manipulation amount predicted for the manipulation amount based on the model, the difference being a difference in case that the degree satisfies a predetermined calculation condition.Type: GrantFiled: March 9, 2018Date of Patent: January 25, 2022Assignee: NEC CORPORATIONInventors: Tan Azuma, Soichiro Araki, Kenichiro Fujiyama, Mineto Satoh, Tetsuri Ariyama
-
Patent number: 11156476Abstract: Provided are an abnormality determination device and the like that are able to accurately determine abnormalities regarding an inspection subject. The abnormality determination device is configured to calculate a scatter degree of differences between prediction information on an observation target and observation information on the observation target, the prediction information being an information generated in accordance with a scenario that represents an aspect of state change of the observation target, the observation information generated by an inspection target; and determine whether or not the inspection target is abnormal based on the calculated degree.Type: GrantFiled: February 5, 2018Date of Patent: October 26, 2021Assignee: NEC CORPORATIONInventors: Tetsuri Ariyama, Tan Azuma, Soichiro Araki, Kenichiro Fujiyama, Mineto Satoh
-
Publication number: 20210174276Abstract: The information processing device estimates one of event and factor by giving model information the other; generates association information, the model information representing relevance between an event that occurs on a target and the factor that occurs before the event, the association information associating first event information that represents the event obtained as the estimation result with first factor information that represents the given factor or associating second event information that represents the given event with second factor information that represents the factor obtained as the estimation result; and specifies the factor of third event information representing an event occurred on the target based on the model information by using the third event information and, at least, one of the first event information and the second event information included in the association information.Type: ApplicationFiled: December 27, 2017Publication date: June 10, 2021Applicant: NEC CorporationInventors: Mineto SATOH, Soichiro ARAKI, Kenichiro FUJIYAMA, Tan AZUMA, Tetsuri ARIYAMA
-
Publication number: 20210142865Abstract: Provided are a prediction device and the like capable of more accurately simulating an analysis target. The prediction device generates function information for a gene sequence of a living body to be an analysis target based on first model information representing a relevance between sequence information and the function information, the sequence information representing the gene sequence of the analysis target, the function information representing a function potentially expressed by the gene sequence; and generates prediction information representing observation information predicted for the analysis target based on second model information and the function information, the second model information representing a relevance among the function information of the living body, environment information representing an environment around the living body, and the observation information observed for the living body, the function information being generated for the gene sequence of the analysis target.Type: ApplicationFiled: June 30, 2017Publication date: May 13, 2021Applicant: NEC CorporationInventors: Mineto SATOH, Soichiro ARAKI, Kenichiro FUJIYAMA, Tetsuri ARIYAMA, Tan AZUMA
-
Patent number: 11000219Abstract: An object of the present invention is to provide an electrocardiogram measurement apparatus capable of significantly reducing the number of electrodes and measuring even a faint signal. The present invention provides an electrocardiogram measurement apparatus including a first electrode and a second electrode to be brought into contact with a body surface near an artery, an electrocardiogram measurement means for measuring a signal obtained from the first electrode and the second electrode, an artery position measurement means for identifying a position at which a measured value of a measured signal is largest as a position of an artery; and a notification means for notifying a user of information indicating the position of an artery.Type: GrantFiled: September 20, 2016Date of Patent: May 11, 2021Assignee: NEC CORPORATIONInventors: Tetsuri Ariyama, Masahiro Kubo, Katsumi Abe, Ersin Altintas, Yuji Ohno, Takeshi Akagawa
-
Publication number: 20210113097Abstract: This heart failure degree-of-exacerbation determination system comprises a storage device (11) and an arithmetic device (12). The arithmetic device (12) includes a heart failure degree-of-exacerbation determination means (121) for determining the degree-of-exacerbation of heart failure, on the basis of stored information which is stored in the storage device (11) and the correlation among a plurality of evaluation values which are associated with a acral portion of a patient.Type: ApplicationFiled: February 18, 2019Publication date: April 22, 2021Applicant: NEC CorporationInventors: Yuji OHNO, Masahiro KUBO, Katsumi ABE, Ersin ALTINTAS, Takeshi AKAGAWA, Tetsuri ARIYAMA, Hiroaki SHIMOKAWA, Yasuhiko SAKATA, Ryuji TUBURAYA
-
Publication number: 20200333128Abstract: Optical measuring apparatus includes: a light source irradiating an object to be measured; a splitter splitting transmitted light or reflected light from the object to be measured; a phase changer changing a phase of a first light which is one of the lights split; a phase fixer maintaining a phase of a second light which is the other light split; a multiplexer multiplexing lights output from the phase changer and the phase fixer; a detector detecting the light (interference image) output from the multiplexer; and a controller that extracts a reference point from the interference image, when a displacement of the reference point is detected, corrects a luminance value for each pixel of the interference images in accordance with a displacement of the object to be measured indicated by a displacement of the reference point, constructs an interferogram based on the luminance value for each pixel of the interference images after the correction.Type: ApplicationFiled: October 30, 2018Publication date: October 22, 2020Applicants: NEC CORPORATION, NATIONAL UNIVERSITY CORPORATION KAGAWA UNIVERSITYInventors: Takeshi AKAGAWA, Masahiro KUBO, Katsumi ABE, Ersin ALTINTAS, Yuji OHNO, Tetsuri ARIYAMA, Ichiro ISHIMARU
-
Publication number: 20200288984Abstract: The purpose of the present invention is to provide a sphygmomanometer that has a high level of measurement accuracy and places a low burden upon a subject whose systolic pressure is being measured. To this end, the sphygmomanometer according to the present invention is characterized by comprising: a cuff pressure and pulse wave detecting unit that detects cuff pressure and pulse waves; and a blood pressure calculating unit that divides pulse waves detected by the cuff pressure and pulse wave detecting unit into a plurality of sections within a specific period, and calculates an estimated value for systolic pressure on the basis of fluctuations in the symmetry of the pulse wave waveform in the plurality of sections, said fluctuations occurring along with variations in the cuff pressure detected by the cuff pressure and pulse wave detecting unit.Type: ApplicationFiled: March 17, 2017Publication date: September 17, 2020Applicant: NEC CorporationInventors: Tetsuri ARIYAMA, Masahiro KUBO, Katsumi ABE, Ersin ALTINTAS, Yuji OHNO, Takeshi AKAGAWA
-
Publication number: 20200250449Abstract: A living body determination device includes: a light irradiation device that irradiates a measuring object with a first light including a plurality of spectrums; a spectroscopic device that disperses a light at intensity depending on a wavelength and outputs the light; an image acquisition device that receives the light output by the spectroscopic device and outputs image information representing brightness depending on the intensity of the light; and a control unit. The control unit, for each spectrum of the first light, acquires image information with respect to the measuring object from the image acquisition device, based on the image information, selects one or more areas, for each of the areas, acquires spectroscopic information, and based on whether the spectroscopic information satisfies a predetermined condition, determines whether the measuring object is a living body.Type: ApplicationFiled: April 24, 2020Publication date: August 6, 2020Applicant: NEC CorporationInventors: Yuji OHNO, Masahiro KUBO, Katsumi ABE, Ersin ALTINTAS, Takeshi AKAGAWA, Tetsuri ARIYAMA
-
Publication number: 20200196879Abstract: An identification device including a wave extraction unit, a time difference unit, and an information identification unit. The wave extraction unit extracts an ejection wave occurring in reply to heartbeat and a reflected wave occurring in reply to passage of blood outflowing from a heart through a bifurcation of blood vessels, from pulse wave information representing a pulse wave of an identification target. The time difference unit generates time-difference information representing a time difference between the extracted ejection wave and the extracted reflected wave.Type: ApplicationFiled: July 11, 2017Publication date: June 25, 2020Applicant: NEC CorporationInventors: Tetsuri ARIYAMA, Terumi UMEMATSU, Yuji OHNO, Katsumi ABE, Mineto SATOH, Takeshi AKAGAWA, Masahiro KUBO, Tan AZUMA, Kenichiro FUJIYAMA, Soichiro ARAKI
-
Publication number: 20200196912Abstract: An identification device including a generation unit and an information identification unit. The generation unit generates factor information relating to pulse-wave information with respect to an identification target in accordance with biological model information representing a relevance between pulse-wave information representing a pulse wave and the factor information representing a factor of pulse wave. The information identification unit selects certain list information satisfying a predetermined determination criterion of the factor information generated by the generation unit out of list information associating the factor information generated based on the pulse-wave information representing a pulse wave of a biological subject to be an identification target with identification information for identifying the biological subject, and identifies the identification information in the selected certain list information.Type: ApplicationFiled: July 11, 2017Publication date: June 25, 2020Applicant: NEC CorporationInventors: Tetsuri ARIYAMA, Terumi UMEMATSU, Yuji OHNO, Katsumi ABE, Mineto SATOH, Takeshi AKAGAWA, Masahiro KUBO, Tan AZUMA, Kenichiro FUJIYAMA, Soichiro ARAKI