Patents by Inventor Toru Shimuta

Toru Shimuta 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: 20200333195
    Abstract: A core body thermometer that includes a wiring substrate on which a power supply switch and electronic components are mounted. The power supply switch is housed so as to face a back surface of an upper exterior body in a space formed by the upper exterior body and a lower exterior body. Moreover, a lining member is formed in a thin plate shape and disposed on the back surface of the upper exterior body, and a buffer member is disposed between the wiring substrate and the lining member. The lining member has a through-hole in which the power supply switch is placed in an inner side in a thickness direction when viewed in a plan view, and has flexibility in an operation direction of the power supply switch).
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventor: Toru Shimuta
  • Publication number: 20200309608
    Abstract: A sticking type deep-body thermometer is provided that includes a body temperature measurement unit having a wiring substrate on which four temperature sensors and a processing circuit are mounted. The thermometer includes an upper case accommodating the body temperature measurement unit, an lower case that is in close contact with the upper case and a peripheral edge portion, and a sticking member stuck to an outer side surface of the lower case. The sticking member is formed in a sheet-like shape, has a pair of sticking surfaces with adhesiveness, and one sticking surface of the pair of sticking surfaces is stuck to the outer side surface of the lower case in a peelable manner.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Inventors: Toru Shimuta, Yoshihide Amagai
  • Publication number: 20200278260
    Abstract: A deep body thermometer that includes a body temperature measurement unit having a thermal resistor layer formed of a thermal resistor having a predetermined thermal resistance value, four temperature sensors arranged in a thickness direction of the thermal resistor layer, and a wiring substrate on which a processing circuit for processing an output signal of each of the four temperature sensors is mounted. Moreover, the thermometer includes an upper exterior body made of a foamed material of a closed cell or a semi-closed cell having a waterproof property to accommodate the body temperature measurement unit, and a lower exterior body formed of a non-foamed resin film having a waterproof property, in which peripheral edge portions of the upper exterior body and the lower exterior body are fixed in a close contact manner.
    Type: Application
    Filed: May 20, 2020
    Publication date: September 3, 2020
    Inventor: Toru Shimuta
  • Publication number: 20200271824
    Abstract: A stick-on deep body thermometer includes a light emitting unit emitting detection light, a first scattering portion scattering the detection light passing a light-transmissive lower exterior body, a first adhesive layer that is adhesive, light-transmissive, and stuck on the lower exterior body, where the detection light scattered by the first scattering portion enters, a second scattering portion scattering detection light propagating in the first adhesive layer, a light receiving unit receiving detection light scattered by the second scattering portion, passing the lower exterior body, and incident thereon, and a contact state determination unit determining the stick-on deep body thermometer and a living body surface are in contact when a light receiving amount of the detection light is under a predetermined value, and determining they are not in contact when the light receiving amount of the detection light is not under the predetermined value.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Inventor: Toru SHIMUTA
  • Publication number: 20200249100
    Abstract: An attached member includes: a strip-shaped peelable member being in film form; and a tab being in plate form. An adhesive surface of a deep body thermometer and the tab are attached respectively to regions being part of first and second main surfaces of the peelable member and corresponding to about halves of the peelable member on first and second end sides. With the peelable member being folded substantially along the midsection between first and second ends, the order of layers, from closest to the adhesive surface, is the peelable member, the tab, a double-sided tape, and the peelable member. The thickness of the tab is equal to or greater than twice the minimum bending radius at which the peelable member is elastically deformable. The tab extends in a folding direction of the peelable member and beyond an outer edge of the peelable member.
    Type: Application
    Filed: February 4, 2020
    Publication date: August 6, 2020
    Inventor: Toru SHIMUTA
  • Publication number: 20200138369
    Abstract: A fatigue recovery support apparatus includes a circadian rhythm acquisition module which acquires a circadian rhythm, a pattern determination module which determines the acquired pattern of the circadian rhythm, a sleep determination module which determines a sleep quality, a relational data store which in advance stores relational data presenting a relationship among the circadian rhythm pattern, the sleep quality, and a fatigue recovery effect of sleep, and a recovery effect determination module which estimates the fatigue recovery effect of sleep based on the circadian rhythm pattern, the sleep quality, and the relational data.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Inventors: Toru Shimuta, Keiki Takadama, Yuta Umenai
  • Patent number: 10624549
    Abstract: A handheld electrocardiographic measurement device includes a substantially spheroidal body, a stopper projecting along an axial direction of the body to restrict a position of a thumb of one hand by abutting on a side surface of the thumb when a user grips the body with the one hand, a plate-shaped flange projecting from a side surface of the body in a direction orthogonal or substantially orthogonal to a projecting direction of the stopper, a first electrocardiographic electrode disposed on a back side of the body to touch a finger of the one hand when the body is gripped with the one hand, and a second electrocardiographic electrode disposed on a surface of the flange to touch a finger of the other hand when the flange is pinched by the other hand.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: April 21, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toru Shimuta
  • Publication number: 20200037947
    Abstract: A swallowing analyzing system (S) includes a swallowing sensor (1) and a swallowing analyzer (30). A piezoelectric film sensor (3) of the swallowing sensor (1) includes a plurality of sensing portions (3A) and (3B) in a longitudinal direction of the neck region. The piezoelectric film sensor (3) is located within a range of movement of thyroid cartilage (103), which occurs along with swallowing, and is attached to skin of an anterior neck region (102). The piezoelectric film sensor (3) individually outputs analog signals (S1a) and (S2a) along with deformation of the plurality of sensing portions (3A) and (3B). A body (20) of the swallowing sensor (1) determines whether the swallowing occurs based on displacement signals that are low frequency components of the analog signals (S1a) and (S2a). The body (20) extracts data on the signals during the swallowing and wirelessly outputs the data to the swallowing analyzer (30).
    Type: Application
    Filed: September 27, 2019
    Publication date: February 6, 2020
    Inventors: Toru SHIMUTA, Takayoshi OBATA
  • Publication number: 20200022639
    Abstract: A piezoelectric film sensor (3) of a swallowing sensor (1) includes a plurality of sensing portions (3A) and (3B) in a longitudinal direction of the neck region. The piezoelectric film sensor (3) is located within a range of movement of thyroid cartilage (103), which occurs along with swallowing, and is attached to skin of an anterior neck region (102). The piezoelectric film sensor (3) individually outputs analog signals (S1a) and (S2a) along with deformation of the plurality of sensing portions (3A) and (3B). The swallowing sensor (1) includes pre-processing units (21) and (22) and a signal processing unit (23). Each of the pre-processing units (21) and (22) separates the analog signal (S1a) or (S2a) into a displacement signal that is a low frequency component and a sound signal that is a high frequency component. The signal processing unit (23) determines whether the swallowing occurs based on the displacement signal.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Toru SHIMUTA, Takayoshi OBATA
  • Publication number: 20200000352
    Abstract: A photoelectric pulse sensor includes a light emitting device and a light receiving device disposed on a main surface of a circuit board with a predetermined distance apart from each other. A housing is provided to which the circuit board is attached and including a pair of openings respectively corresponding to the light emitting and receiving devices, with the housing including a light shield disposed at least between the pair of openings. The light shield includes a light shield member that is disposed on a surface of the housing facing the circuit board. The light shield member has a light shielding characteristics and flexibility. The light shield member is deformed by coming into contact with the circuit board when the circuit board is attached to the housing.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Inventor: Toru Shimuta
  • Publication number: 20190350531
    Abstract: A deep body thermometer includes an upper exterior body that is made of a foamed material of closed cells or semi-closed cells having waterproof properties and is formed in a substantially hat-like shape in side view, a lower exterior body that has a peripheral edge in close contact with the upper exterior body, a sticking member that has adhesiveness and one surface of which is stuck to an outer side surface of the lower exterior body, and a wiring substrate that is accommodated in a space defined by the upper exterior body and the lower exterior body. The upper exterior body includes stress relieving portions that extend in the direction intersecting with the direction in which stress generated by external force acts and are smoothly curved with respect to the direction in which the stress acts so as to relieve the stress.
    Type: Application
    Filed: May 14, 2019
    Publication date: November 21, 2019
    Inventor: Toru Shimuta
  • Patent number: 10470715
    Abstract: A mobile device including a biosensor for obtaining biological signals in which biological information can be obtained stably while the mobile device is being held with a hand and is used, without providing a sensor specially used for detecting body motion generated by operating the mobile device.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: November 12, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toru Shimuta
  • Patent number: 10390716
    Abstract: A pulse transmission time measuring apparatus includes a first photoplethysmographic sensor that includes a first light emitter and a first light receiver and detects a first photoplethysmographic signal, and a second photoplethysmographic sensor that includes a second light emitter and a second light receiver and detects a second photoplethysmographic signal. The first and second photoplethysmographic sensors are disposed on a contact surface that comes into contact with the body when the pulse transmission time measuring apparatus is attached to the body. The spacing between the second light emitter and the second light receiver is smaller than the spacing between the first light emitter and the first light receiver. The second photoplethysmographic sensor detects the second photoplethysmographic signal corresponding to the flow of blood in the capillaries.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: August 27, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toru Shimuta
  • Publication number: 20190254571
    Abstract: A breathing sensing device that detects breathing of a subject, the breathing sensing device including a film-shaped sensor configured to adhere to a body surface of the subject from a region corresponding to a xiphoid process of a sternum of the subject to a region corresponding to an epigastrium of the subject. The sensor is configured to detect the breathing of the subject by detecting relative positional changes between the region corresponding to the xiphoid process and the region corresponding to the epigastrium.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Toru Shimuta, Takenobu Maeda
  • Publication number: 20190231205
    Abstract: A grip-type electrocardiographic measuring device includes a main body portion that has a spheroid shape, a plate-shaped flange portion mounted on a side surface of the main body portion, a first electrocardiographic electrode disposed at a back surface side of the main body portion and making contact with one hand when the main body portion is gripped by the one hand, and a second electrocardiographic electrode disposed on a surface of the flange portion and making contact with a finger of the other hand when the flange portion is pinched by the other hand. The flange portion has flexibility and is bendable from a mounting portion on the main body portion.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventor: Toru SHIMUTA
  • Publication number: 20190209029
    Abstract: A grip-type pulse wave measuring device includes a main body that has a substantially spheroid shape, and a stopper that projects along an axial direction of the main body and abuts against a side surface of a thumb to restrict a position of the thumb when a user grips the main body portion. Moreover, a light shielding cover is provided that is formed into a substantially semi-cylindrical shape and is mounted so as to be swingable about, as a swing shaft, a shaft that is provided in parallel to the axial direction of the main body. A photoplethysmographic sensor is disposed at a position offset from the swing shaft of the light shielding cover along a peripheral direction of the main body and is configured to acquire a photoplethysmographic signal.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Inventor: Toru Shimuta
  • Publication number: 20190209030
    Abstract: A blood pressure status measuring apparatus includes a first photoplethysmographic sensor that includes a light emitting element) outputting near-infrared light and acquires a photoplethysmographic signal of a carotid artery, a second photoplethysmographic sensor that includes a light emitting element outputting blue to yellow-green light and acquires a photoplethysmographic signal of an arteriole or a capillary near the carotid artery, a pulse wave propagation time measuring unit that acquires a pulse wave propagation time on the basis of the photoplethysmographic signal of the carotid artery and the photoplethysmographic signal of the arteriole or the capillary near the carotid artery, a pulse wave propagation time change acquisition unit that acquires a temporal change of the pulse wave propagation time after measurement is started, and a blood pressure status measuring unit that measures circulatory dynamics including a blood pressure status on the basis of the temporal change of the pulse wave propagatio
    Type: Application
    Filed: January 31, 2019
    Publication date: July 11, 2019
    Inventor: Toru Shimuta
  • Publication number: 20190175033
    Abstract: A signal processor of a blood pressure estimating device includes a pulse wave transit time acquirer that acquires a pulse wave transit time based on a pulse wave signal detected by a photoplethysmographic sensor and an electrocardiographic signal, a time measurer that measures a time elapsed from when acquisition of the pulse wave transit time is started, and a blood pressure estimator that estimates a blood pressure based on a predetermined relationship between the pulse wave transit time and the blood pressure. The photoplethysmographic sensor is in contact with a neck of a user at a position not directly over a carotid artery when the pulse wave transit time is acquired, and the blood pressure estimator estimates the blood pressure after the measured elapsed time has become a predetermined time or more.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 13, 2019
    Inventor: Toru SHIMUTA
  • Patent number: 10314526
    Abstract: A biosensor including light emitting elements and a light receiving element disposed on a principal surface of a wiring board; a light shielding portion disposed between a light-emitting-element sealing portion and a light-receiving-element sealing portion; a base medium having light transmitting properties, disposed in parallel with the wiring board with the light shielding portion therebetween; an adhesion layer having light transmitting properties that bonds the base medium with the light-emitting-element sealing portion, the light-receiving-element sealing portion, and the light shielding portion; and a first electrocardiograph electrode attached to a principal surface of the base medium. Both end portions of the adhesion layer and both end portions of the base medium are disposed such that they overlap neither of the light-receiving-element sealing portion nor the light-emitting-element sealing portion when viewed from a direction normal to the principal surface of the wiring board.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: June 11, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Shimuta, Yasutaka Fujii
  • Patent number: 10258762
    Abstract: A sleep support apparatus includes a pair of electrocardiographic electrodes that detect an electrocardiographic signal, a photoelectric pulse wave sensor that includes a light emitter and a light receiver and that detects a photoelectric pulse wave signal, peak detectors that respectively detect the peaks of the electrocardiographic signal and the photoelectric pulse wave signal, a pulse wave transit time clock that obtains a pulse wave transit time from a time difference between the peak of the photoelectric pulse wave signal and the peak of the electrocardiographic signal, a sleep state detector that determines that a user's body has not reached a state suitable for sleep when the pulse wave transit time is less than or equal to a certain threshold, and a forearm heater that increases a temperature of a forearm when it is determined the user's body has not reached a state suitable for sleep.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: April 16, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Toru Shimuta