Patents by Inventor Kazumasa Ito
Kazumasa Ito 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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Patent number: 11951920Abstract: The present invention relates to an operation device which can be easily installed on a vehicle door, and a vehicle door comprising the operation device. An operation device of the present invention comprises: a gripper provided on an inner surface of a door of a vehicle; an operation interface provided on an inner side surface of the gripper for receiving an operation input entered by an occupant to operate at least one in-vehicle device; a first sensor provided on an outer side surface of the gripper for detecting a finger of the occupant; a second sensor provided on at least one of the inner side surface and an upper surface of the gripper for detecting a finger of the occupant; and a controller connected to the operation interface, the first sensor, the second sensor, and the at least one in-vehicle device.Type: GrantFiled: March 13, 2020Date of Patent: April 9, 2024Assignee: TS TECH CO., LTD.Inventors: Jinichi Tanabe, Takayoshi Ito, Kazumasa Narita, Yuma Miyamoto, Akihito Kobayashi, Kodai Matsumoto
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Publication number: 20240108837Abstract: An airway adapter includes an airway adapter body including a first tube connection portion, a second tube connection portion, and a detection portion provided between the first tube connection portion and the second tube connection portion, and a support base configured to support the airway adapter body. The support base is configured to support the first tube connection portion at a position higher than a position of the second tube connection portion.Type: ApplicationFiled: September 25, 2023Publication date: April 4, 2024Inventors: Fumihiko TAKATORI, Yuya BABA, Kazumasa ITO
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Publication number: 20240065574Abstract: A respiration information obtaining apparatus includes: a light emitter configured to emit a first light including a first wavelength and a second light including a second wavelength different from the first wavelength; a light detector that outputs a first signal and a second signal respectively corresponding to an intensity of the first light and an intensity of the second light after an interaction with a tissue of a subject, and a processor that calculates an index value based on a ratio between the first signal and the second signal, and obtains respiration information of the subject based on a change over time in the index value.Type: ApplicationFiled: August 15, 2023Publication date: February 29, 2024Applicants: NIHON KOHDEN CORPORATION, Eiji HIRASAWAInventors: Kazumasa ITO, Eiji HIRASAWA
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Publication number: 20240055920Abstract: A rotating electric machine according to the present disclosure is a rotating electric machine including a stator and a rotor, in which the rotor includes a plurality of permanent magnets arranged in a circumferential direction of a rotation axis and a plurality of protrusions arranged in the circumferential direction, the stator includes a plurality of teeth, an armature winding wound around the plurality of teeth, and a field winding wound around the plurality of teeth, a field pole is formed in the plurality of protrusions by energization to the field winding and the plurality of permanent magnets, the plurality of permanent magnets and the plurality of teeth are alternately arranged at intervals in the circumferential direction to form the field pole, all the permanent magnets have the same polarity, wherein, |Pa?Pf|?1, |Pr?Pf|?1, and |Pa?Pr|?1, and Pr is even.Type: ApplicationFiled: January 18, 2021Publication date: February 15, 2024Applicant: Mitsubishi Electric CorporationInventors: Hiroshi MITSUDA, Kazumasa ITO, Tadashi FUKAMI, Masato KOYAMA
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Publication number: 20230218208Abstract: A medical photometer includes a signal producing section that produces a first control signal to emit a first light having a first wavelength, a second control signal to emit a second light having a second wavelength, a third control signal to emit a third light having a third wavelength, and a fourth control signal to emit a fourth light having a fourth wavelength, a signal acquiring section that acquires a first to fourth intensity signals, a processor, and a memory that stores instructions. In the medical photometer, the first wavelength and the second wavelength are selected as two wavelengths at each of which an extinction coefficient of blood is a first value. The third wavelength and the fourth wavelength are selected as two wavelengths at each of which the extinction coefficient of the blood is a second value which is different from the first value.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Applicant: NIHON KOHDEN CORPORATIONInventors: Yoshinori UEDA, Naoki KOBAYASHI, Kazumasa ITO, Hideki FUJISAKI, Teiji UKAWA
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Patent number: 11642053Abstract: A medical photometer includes a signal producing section that produces a first control signal to emit a first light having a first wavelength, a second control signal to emit a second light having a second wavelength, a third control signal to emit a third light having a third wavelength, and a fourth control signal to emit a fourth light having a fourth wavelength, a signal acquiring section that acquires a first to fourth intensity signals, a processor, and a memory that stores instructions. In the medical photometer, the first wavelength and the second wavelength are selected as two wavelengths at each of which an extinction coefficient of blood is a first value. The third wavelength and the fourth wavelength are selected as two wavelengths at each of which the extinction coefficient of the blood is a second value which is different from the first value.Type: GrantFiled: September 18, 2018Date of Patent: May 9, 2023Assignee: NIHON KOHDEN CORPORATIONInventors: Yoshinori Ueda, Naoki Kobayashi, Kazumasa Ito, Hideki Fujisaki, Teiji Ukawa
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Patent number: 11596755Abstract: A patient treatment system includes a ventilation bag, and a monitoring device which is configured so as to be connectable to the ventilation bag. The monitoring device measures the pulse rate derived from the heart rate of a neonate, from signals of ECG electrodes which are connected to the monitoring device. In a case where an abnormality of measurement information of the pulse rate is detected, the monitoring device notifies of first information prompting ventilation by the ventilation bag.Type: GrantFiled: April 10, 2019Date of Patent: March 7, 2023Assignee: NIHON KOHDEN CORPORATIONInventors: Fumihiko Takatori, Masayuki Inoue, Kazumasa Ito
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Patent number: 11573658Abstract: An operation device according to the present invention has a touch-screen-type operation surface installed in a vehicle. A plurality of operation units having a convex shape or a concave shape associated with a plurality of components mounted in the vehicle, respectively, are formed at different positions on the touch-screen-type operation surface, respectively. The plurality of operation units are configured to accept an input touch operation as an operation instruction for the component associated with each of the plurality of operation units.Type: GrantFiled: February 14, 2022Date of Patent: February 7, 2023Assignee: TOYO DENSO KABUSHIKI KAISHAInventors: Masaki Sakurai, Kazumasa Ito, Osamu Kuribara
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Publication number: 20220378343Abstract: A vital sign information processing system includes a sensor configured to be attached to a living body, and an information acquisition apparatus configured to acquire vital sign information of the living body through the sensor. A first memory is disposed in the sensor and stores first site information indicative of a site at which the sensor is to be used. A second memory is disposed in the information acquisition apparatus and stores second site information indicative of a site at which the information acquisition apparatus is to be used. A processor disposed in the information acquisition apparatus causes the information acquisition apparatus to perform notification when the first site information and the second site information are not matched.Type: ApplicationFiled: August 11, 2022Publication date: December 1, 2022Inventors: Hideki FUJISAKI, Kazumasa ITO, Naoki KOBAYASHI, Kumi SUGIYAMA, Tetsuo SUZUKI, Masahiro TAKEUCHI, Jiongxun CHEN
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Patent number: 11512977Abstract: A redundant resolver is configured of a stator and a rotor that form a pair, wherein the rotor is a rotor with a shaft angle multiplier of Nx having Nx (Nx is a natural number) salient poles, the stator is such that n teeth T1 to Tn, where n is a natural number, are disposed sequentially in a circumferential direction, configuring M systems by being divided into M in the circumferential direction, and having an angle of 360/M degrees when angles of the teeth configuring one system are totaled, a one-phase excitation winding and a two-phase output winding are wound around each of the teeth T1 to Tn, excitation signals of the same frequency are applied by differing excitation circuits to the respective excitation windings, an output order per system is Nout (Nout is a natural number), and an abnormality is detected based on output signals of the M systems.Type: GrantFiled: December 21, 2017Date of Patent: November 29, 2022Assignee: Mitsubishi Electric CornorationInventors: Hiroko Ikeda, Yuji Takizawa, Kazumasa Ito, Shinichi Yamaguchi, Toshihiro Matsunaga, Yosuke Sugino
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Patent number: 11445949Abstract: A vital sign information processing system includes a sensor configured to be attached to a living body, and an information acquisition apparatus configured to acquire vital sign information of the living body through the sensor. A first memory is disposed in the sensor and stores first site information indicative of a site at which the sensor is to be used. A second memory is disposed in the information acquisition apparatus and stores second site information indicative of a site at which the information acquisition apparatus is to be used. A processor disposed in the information acquisition apparatus causes the information acquisition apparatus to perform notification when the first site information and the second site information are not matched.Type: GrantFiled: June 21, 2018Date of Patent: September 20, 2022Assignee: NIHON KOHDEN CORPORATIONInventors: Hideki Fujisaki, Kazumasa Ito, Naoki Kobayashi, Kumi Sugiyama, Tetsuo Suzuki, Masahiro Takeuchi, Jiongxun Chen
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Publication number: 20220291772Abstract: An operation device according to the present invention has a touch-screen-type operation surface installed in a vehicle. A plurality of operation units having a convex shape or a concave shape associated with a plurality of components mounted in the vehicle, respectively, are formed at different positions on the touch-screen-type operation surface, respectively. The plurality of operation units are configured to accept an input touch operation as an operation instruction for the component associated with each of the plurality of operation units.Type: ApplicationFiled: February 14, 2022Publication date: September 15, 2022Applicant: TOYO DENSO KABUSHIKI KAISHAInventors: Masaki SAKURAI, Kazumasa ITO, Osamu KURIBARA
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Patent number: 11411445Abstract: A permanent-magnet synchronous motor and an electric power steering device are driven by a first system including a first armature winding and a first control apparatus and by a second system including a second armature winding and a second control apparatus and are configured in such a way that if one system fails, driving by the one system is stopped but the driving is continued by the other system.Type: GrantFiled: September 7, 2017Date of Patent: August 9, 2022Assignee: Mitsubishi Electric CorporationInventors: Yuji Takizawa, Hiroko Ikeda, Kazumasa Ito, Shinichi Yamaguchi, Yu Hirotani, Satoru Akutsu
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Patent number: 11398332Abstract: To obtain an electromagnetic actuator capable of improving a thrust force of a movable element. Provided is an electromagnetic actuator, including: a stator, which has a first surface at one end in an axial direction and a second surface at another end in the axial direction, and is made of a soft magnetic material having a tubular space formed in the axial direction; and a movable element, which is disposed in the tubular space, and is configured to move along the axial direction, wherein the stator includes: a coil; a core portion; and a protrusion portion, wherein the movable element includes a movable element core made of a soft magnetic material and a permanent magnet, and wherein at least one of a radially inner side and a radially outer side of the permanent magnet is covered by a movable element core.Type: GrantFiled: January 2, 2020Date of Patent: July 26, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shoji Ishikawa, Toru Ogawa, Kazumasa Ito, Ryuichi Takiguchi
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Publication number: 20220175318Abstract: A reusable portion includes a first connector and a light emitter. A disposable portion includes a support, a second connector and a light detector. The support has a translucent portion and adapted to be attached on a body of a subject. The second connector is supported by the support and configured to couple with the first connector. The light detector is supported by the support and configured to output a signal corresponding to an amount of light incident on the light detector. Under a condition that the first connector and the second connector are coupled, the light emitter is disposed so as to face the translucent portion, so that the first connector is enabled to detect the signal via the second connector.Type: ApplicationFiled: March 16, 2020Publication date: June 9, 2022Applicant: NIHON KOHDEN CORPORATIONInventors: Hideki FUJISAKI, Kazumasa ITO, Yoshinori UEDA
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Publication number: 20220085674Abstract: An object is to obtain a rotary electric machine, capable of reducing an eddy current loss which is caused in a magnet member provided in a stator. A rotor and a stator which is arranged to face to the rotor in a radial direction of the rotor are provided. The stator has a stator core, a stator coil, and a magnet member. The stator core has a core back and teethes, and the teethes protrude from the core back toward the rotor and are arranged along a circumferential direction. The stator coil is wound to each of the plurality of teethes, and is arranged in a slot formed between teethes lying next to each other in the circumferential direction. The magnet member is formed of a plurality of permanent magnets in each of the teethes.Type: ApplicationFiled: March 27, 2019Publication date: March 17, 2022Applicant: Mitsubishi Electric CorporationInventors: Takahiro MIZUTA, Kazumasa ITO, Takayuki YASUMORI
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Patent number: 11013422Abstract: A blood pressure measurement apparatus includes a pressure controller that controls an internal pressure of a cuff, an oscillation acquiring section that acquires an oscillation corresponding to a pressure vibration, a pulse wave signal acquiring section that acquires a pulse wave signal of the subject from a probe, a processor, and a memory that stores instructions executable by the processor. In the apparatus, when the instructions are executed by the processor, the apparatus causes the pressure controller to inflate the internal pressure, determines whether a first condition is satisfied or not, determines whether a second condition is satisfied or not, and if the first condition and the second condition are satisfied, determines a mean blood pressure of the subject based on the internal pressure.Type: GrantFiled: September 14, 2018Date of Patent: May 25, 2021Assignee: NIHON KOHDEN CORPORATIONInventors: Yoshinori Ueda, Kazumasa Ito, Takashi Usuda
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Patent number: 11018616Abstract: In the present electric driving apparatus, coils that constitute a first armature winding and coils that constitute a second armature winding are arranged so as to alternate in a circumferential direction, and a control portion is configured so as to perform single-system driving when one of a first system and a second system fails, the single-system driving stopping driving of an inverter of the system that has failed, and controlling driving of the inverter of the system that has not failed to supply inverter phase currents to an armature winding of the system that has not failed such that the inverter phase currents are set to a second upper limit value that is greater than a first upper limit value.Type: GrantFiled: January 26, 2017Date of Patent: May 25, 2021Assignee: Mitsubishi Electric CorporationInventors: Yu Hirotani, Kazumasa Ito, Yusuke Morita, Yuji Takizawa, Satoru Akutsu, Masafumi Okazaki
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Publication number: 20210135513Abstract: A permanent-magnet synchronous motor and an electric power steering device are driven by a first system including a first armature winding and a first control apparatus and by a second system including a second armature winding and a second control apparatus and are configured in such a way that if one system fails, driving by the one system is stopped but the driving is continued by the other system.Type: ApplicationFiled: September 7, 2017Publication date: May 6, 2021Applicant: Mitsubishi Electric CorporationInventors: Yuji TAKIZAWA, Hiroko IKEDA, Kazumasa ITO, Shinich YAMAGUCHI, Yu HIROTANI, Satoru AKUTSU
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Publication number: 20210075273Abstract: A stator includes a core back portion, a plurality of teeth extending inward in a radial direction of the stator from the core back portion, a first system coil portion and a second system coil portion wound on each of the teeth, and a magnetic interference reduction member provided between the first system coil portion and the second system coil portion to reduce magnetic interference between the first system coil portion and the second system coil portion. Further, the first system coil portion and the second system coil portion are connected to mutually different power supply sources, that is, the first system coil portion and the second system coil portion are each connected to a first system power supply source or a second system power supply source.Type: ApplicationFiled: March 20, 2019Publication date: March 11, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hiroko IKEDA, Shinichi YAMAGUCHI, Yuji TAKIZAWA, Yu HIROTANI, Kazumasa ITO