Patents by Inventor Kengo Nishimoto
Kengo Nishimoto 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: 11950885Abstract: Provided is a biosensor device including: a signal generating unit for generating a continuous wave signal; an antenna for emitting the continuous wave signal as a radio wave; a variable matching circuit for performing impedance matching between the signal generating unit and the antenna; a detection circuit for outputting a detection signal on the basis of the continuous wave signal generated by the signal generating unit and a reflected signal of a radio wave incident on the antenna; and a control unit for controlling an element value of the variable matching circuit from the detection signal in a predetermined period corresponding to one cycle or more time in which heartbeat and respiration waveforms can be measured on the basis of the detection signal.Type: GrantFiled: August 7, 2019Date of Patent: April 9, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Saki Wada, Kengo Nishimoto, Yasuhiro Nishioka
-
Publication number: 20230411846Abstract: A decoupling circuit includes: a first transmission line whose first end is connected to the first antenna element; a second transmission line whose first end is connected to the second antenna element; a first susceptance circuit whose first end is connected to a second end of the first transmission line; a second susceptance circuit whose first end is connected to a second end of the second transmission line and whose second end is connected to a second end of the first susceptance circuit; a third susceptance circuit whose first end is connected to the second end of the first susceptance circuit and whose second end is connected to the ground conductor; a first input and output terminal connected to the first end of the first susceptance circuit; and a second input and output terminal connected to the first end of the second susceptance circuit.Type: ApplicationFiled: August 30, 2023Publication date: December 21, 2023Applicant: Mitsubishi Electric CorporationInventors: Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20230378996Abstract: A canceler device includes: a line connector having a first terminal, a second terminal, and a third terminal, the line connector being configured to output a signal provided to the first terminal to the second terminal; and a reflection circuit to output a reflected wave of the signal output to the second terminal to the third terminal. The reflection circuit includes: a first variable resistor having a first end connected to the second terminal; a second variable resistor having a first end connected to the second terminal and a second end grounded; and a parallel resonance circuit having a first end connected to a second end of the first variable resistor and a second end grounded.Type: ApplicationFiled: August 2, 2023Publication date: November 23, 2023Applicant: Mitsubishi Electric CorporationInventors: Shingo YAMAURA, Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20220069472Abstract: An antenna device includes: a rod-shaped conductor disposed perpendicularly to a grounding face part; a plurality of first linear members supporting the rod-shaped conductor by a tension structure; a first bent conductor having a first linear conductor disposed so as to branch from the rod-shaped conductor and disposed so as to be inclined with respect to the grounding face part, and a second linear conductor disposed so as to be continuous with a distal end of the first linear conductor and disposed along a first linear member selected from among the plurality of first linear members; a first selective transmission part disposed at an end of the first linear conductor on the same side as the rod-shaped conductor; and a second selective transmission part disposed in the rod-shaped conductor.Type: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Shingo YAMAURA, Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20210367356Abstract: The antenna device includes a first radiation element, a second radiation element, a first input and output terminal, a second input and output terminal, a first phase shifter, a first susceptance element, a second susceptance element, a third susceptance element, a fourth susceptance element, a first variable matching circuit, and a second variable matching circuit, and when power is supplied from the first input and output terminal or the second input and output terminal, each susceptance value of the first susceptance element, the second susceptance element, the third susceptance element, and the fourth susceptance element are set so that an excitation amplitude of the first radiation element and an excitation amplitude of the second radiation element have a substantially equal amplitude, and coupling between the first input and output terminal and the second input and output terminal is reduced.Type: ApplicationFiled: July 28, 2021Publication date: November 25, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20210259562Abstract: Provided is a biosensor device including: a signal generating unit for generating a continuous wave signal; an antenna for emitting the continuous wave signal as a radio wave; a variable matching circuit for performing impedance matching between the signal generating unit and the antenna; a detection circuit for outputting a detection signal on the basis of the continuous wave signal generated by the signal generating unit and a reflected signal of a radio wave incident on the antenna; and a control unit for controlling an element value of the variable matching circuit from the detection signal in a predetermined period corresponding to one cycle or more time in which heartbeat and respiration waveforms can be measured on the basis of the detection signal.Type: ApplicationFiled: August 7, 2019Publication date: August 26, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Saki WADA, Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20210194122Abstract: An antenna device (4) includes a first phase shifter (24) having one end connected to a fourth terminal (23d) of a directional coupler (23); a second phase shifter (25) having one end connected to a first terminal (23a) of the directional coupler (23); a third phase shifter (26) having one end connected to a second terminal (23b) of the directional coupler (23); a first matching circuit (27) having one end connected to an other end of the second phase shifter (25) and having an other end connected to a first input/output terminal (11); and a second matching circuit (28) having one end connected to an other end of the third phase shifter (26) and having an other end connected to a second input/output terminal (12).Type: ApplicationFiled: February 22, 2018Publication date: June 24, 2021Applicant: Mitsubishi Electric CorporationInventors: Shimpei AKIMOTO, Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Publication number: 20190363435Abstract: It is provided with: a variable decoupling circuit (10) connected to a first input/output port (1) and a third input/output port (3), which reduces coupling between the first input/output port (1) and the third input/output port (3); and a coupling measurement circuit (20) that measures a coupled amplitude and a coupled phase between a second input/output port and a fourth input/output port from a signal output from the variable decoupling circuit (10) to the second input/output port when a signal is input from the first input/output port (1) and a signal output from the fourth input/output port to the variable decoupling circuit (10) when a signal is input from the fourth input/output port, in which a controller (30) controls the variable decoupling circuit (10) in accordance with the coupled amplitude and the coupled phase measured by the coupling measurement circuit (20) such that a coupled amplitude between the first input/output port (1) and the third input/output port (3) becomes zero.Type: ApplicationFiled: February 8, 2017Publication date: November 28, 2019Applicant: Mitsubishi Electric CorporationInventors: Hidetoshi MAKIMURA, Kengo NISHIMOTO, Yasuhiro NISHIOKA
-
Patent number: 10243256Abstract: The present invention is characterized by an antenna device including: a circuit board; a circuit pattern formed by a conductor on a surface of the circuit board; and a minute loop antenna mounted on the circuit board and formed in a loop shape by a conductor having two end portions, wherein the circuit pattern includes at least a feeder circuit configured to supply power to the minute loop antenna, and a ground, and the minute loop antenna is mounted on the circuit board such that: the conductor having the two end portions is connected at one end thereof to the feeder circuit and connected at another end thereof to the ground; a loop surface of the conductor having the two end portions is perpendicular to a plane on which the circuit pattern is formed; and a normal line passing through the loop surface does not pass through the circuit pattern.Type: GrantFiled: August 4, 2014Date of Patent: March 26, 2019Assignee: Mitsubishi Electric CorporationInventors: Hidetoshi Makimura, Kengo Nishimoto, Toru Fukasawa, Kazunori Takahashi, Kazuya Hojo
-
Publication number: 20160336642Abstract: The present invention is characterized by an antenna device including: a circuit board; a circuit pattern formed by a conductor on a surface of the circuit board; and a minute loop antenna mounted on the circuit board and formed in a loop shape by a conductor having two end portions, wherein the circuit pattern includes at least a feeder circuit configured to supply power to the minute loop antenna, and a ground, and the minute loop antenna is mounted on the circuit board such that: the conductor having the two end portions is connected at one end thereof to the feeder circuit and connected at another end thereof to the ground; a loop surface of the conductor having the two end portions is perpendicular to a plane on which the circuit pattern is formed; and a normal line passing through the loop surface does not pass through the circuit pattern.Type: ApplicationFiled: August 4, 2014Publication date: November 17, 2016Applicant: Mitsubishi Electric CorporationInventors: Hidetoshi MAKIMURA, Kengo NISHIMOTO, Toru FUKASAWA, Kazunori TAKAHASHI, Kazuya HOJO
-
Publication number: 20150255865Abstract: A first distribution circuit outputs a high frequency signal inputted from an input/output terminal to an input/output terminal and a connecting portion. A second distribution circuit outputs a high frequency signal inputted from an input/output terminal to an input/output terminal and a connecting portion. An end of a transmission line is connected to the connecting portion and the other end of the transmission line is connected to the connecting portion. A first antenna is connected to the input/output terminal, and a second antenna is connected to the input/output terminal.Type: ApplicationFiled: September 12, 2013Publication date: September 10, 2015Applicant: Mitsubishi Electric CorporationInventors: Kengo Nishimoto, Toru Fukasawa, Hiroaki Miyashita