Patents by Inventor Tomotaka Takahashi
Tomotaka Takahashi 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: 12045088Abstract: A thin portable communication terminal that includes a casing having a rectangular parallelepiped shape; one pair of arm portions each having one end that is axially supported to be turnable with respect to corresponding one of both side faces on longer sides of the casing; hand portions each disposed at another end of corresponding one of the one pair of arm portions; and a leg portion disposed on one side face that is on a shorter side of the casing and is capable of independent movement.Type: GrantFiled: December 14, 2021Date of Patent: July 23, 2024Assignee: Robo Garage Co., Ltd.Inventor: Tomotaka Takahashi
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Patent number: 11879975Abstract: A measurement apparatus including: a laser that outputs a frequency-modulated laser beam; a branch that splits the frequency-modulated laser beam into a reference light and a measurement light; a beat signal generator that generates a beat signal by mixing the reference light and a reflected light that is reflected by radiating the measurement light onto an object to be measured; a frequency analyzer that frequency-analyzes the beat signal; a storage that stores a reference frequency signal which is a frequency signal obtained by converting a reference signal output by the beat signal generator in a state without the object to be measured; and calculation circuitry that calculates a difference between propagation distances of the reference light and the measurement light.Type: GrantFiled: August 9, 2021Date of Patent: January 23, 2024Assignee: Mitutoyo CorporationInventors: Shinji Komatsuzaki, Yoshimasa Suzuki, Tomotaka Takahashi
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Patent number: 11867809Abstract: A measurement apparatus includes a laser apparatus, a branching part that branches a frequency-modulated laser beam output by the laser apparatus into a reference light and a measurement light; a beat signal generation part that generates a beat signal by mixing a reflected light and the reference light, a conversion part that converts the beat signal into a digital signal at a first sampling rate and frequency-analyses it, an extraction part that extracts a signal component corresponding to a cavity frequency from the frequency-modulated laser beam, a digital filter that digitally filters the extracted signal component at a second sampling rate; and a calculation part that calculates a difference in a propagation distance between the reference light and the measurement light.Type: GrantFiled: July 6, 2020Date of Patent: January 9, 2024Assignee: Mitutoyo CorporationInventors: Yoshimasa Suzuki, Shinichi Hara, Shinji Komatsuzaki, Ryusuke Kato, Hiroki Ujihara, Masayuki Nara, Tomotaka Takahashi
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Publication number: 20230311332Abstract: A thin mobile communication terminal includes: a rectangular enclosure; two arms wherein one end of each arm is rotationally supported by a rotary shaft against corresponding one of both side surfaces of long sides of the enclosure; a hand at another end of each arm; a leg provided on one side surface of short sides of the enclosure in an independently movable manner; a rotary motor for rotating the rotary shaft that supports corresponding one of the two arms on one end of the corresponding one of the arms; an imaging unit provided on a main surface of the enclosure; and a controller that controls the rotary motor.Type: ApplicationFiled: June 7, 2023Publication date: October 5, 2023Inventor: Tomotaka Takahashi
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Patent number: 11415406Abstract: A laser apparatus, a measurement apparatus, and a measurement method are provided in which the laser apparatus outputs a frequency-modulated laser beam with a plurality of modes and includes: an optical cavity that has a gain medium for amplifying a light to be input, and an optical SSB modulator for shifting a frequency of the light amplified by the gain medium: and a control part that controls the optical SSB modulator to shift a frequency of a light to be input to the optical SSB modulator.Type: GrantFiled: December 17, 2020Date of Patent: August 16, 2022Assignees: Mitutoyo Corporation, 3D Innovation Co., LtdInventors: Shinji Komatsuzaki, Tomotaka Takahashi, Hiroki Ujihara
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Publication number: 20220100230Abstract: A thin portable communication terminal that includes a casing having a rectangular parallelepiped shape; one pair of arm portions each having one end that is axially supported to be turnable with respect to corresponding one of both side faces on longer sides of the casing; hand portions each disposed at another end of corresponding one of the one pair of arm portions; and a leg portion disposed on one side face that is on a shorter side of the casing and is capable of independent movement.Type: ApplicationFiled: December 14, 2021Publication date: March 31, 2022Inventor: Tomotaka Takahashi
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Publication number: 20220057512Abstract: A measurement apparatus including: a laser that outputs a frequency-modulated laser beam; a branch that splits the frequency-modulated laser beam into a reference light and a measurement light; a beat signal generator that generates a beat signal by mixing the reference light and a reflected light that is reflected by radiating the measurement light onto an object to be measured; a frequency analyzer that frequency-analyzes the beat signal; a storage that stores a reference frequency signal which is a frequency signal obtained by converting a reference signal output by the beat signal generator in a state without the object to be measured; and calculation circuitry that calculates a difference between propagation distances of the reference light and the measurement light.Type: ApplicationFiled: August 9, 2021Publication date: February 24, 2022Applicant: Mitutoyo CorporationInventors: Shinji KOMATSUZAKI, Yoshimasa SUZUKI, Tomotaka TAKAHASHI
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Publication number: 20210356591Abstract: A measurement apparatus includes a laser apparatus, a branching part that splits a laser beam into reference light and measurement light, a condensing part that condenses the measurement light onto an object to be measured, a control part that adjust a focal position where the condensing part condenses the measurement light, and a distance calculation part that calculates distance to the object to be measured on the basis of an optical path difference between the reference light and the measurement light, wherein the condensing part includes a first lens and a correspondence calculation part that calculates a correspondence between a focal position of the condensing part and a position of the first lens on the basis of a position of the first lens and a distance to the object to be measured.Type: ApplicationFiled: May 17, 2021Publication date: November 18, 2021Applicant: Mitutoyo CorporationInventors: Ryusuke KATO, Tomotaka TAKAHASHI
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Publication number: 20210190474Abstract: A laser apparatus, a measurement apparatus, and a measurement method are provided in which the laser apparatus outputs a frequency-modulated laser beam with a plurality of modes and includes: an optical cavity that has a gain medium for amplifying a light to be input, and an optical SSB modulator for shifting a frequency of the light amplified by the gain medium: and a control part that controls the optical SSB modulator to shift a frequency of a light to be input to the optical SSB modulator.Type: ApplicationFiled: December 17, 2020Publication date: June 24, 2021Applicants: Mitutoyo Corporation, 3D Innovation Co., Ltd.Inventors: Shinji KOMATSUZAKI, Tomotaka TAKAHASHI, Hiroki UJIHARA
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Publication number: 20210011155Abstract: A measurement apparatus includes a laser apparatus, a branching part that branches a frequency-modulated laser beam output by the laser apparatus into a reference light and a measurement light; a beat signal generation part that generates a beat signal by mixing a reflected light and the reference light, a conversion part that converts the beat signal into a digital signal at a first sampling rate and frequency-analyses it, an extraction part that extracts a signal component corresponding to a cavity frequency from the frequency-modulated laser beam, a digital filter that digitally filters the extracted signal component at a second sampling rate; and a calculation part that calculates a difference in a propagation distance between the reference light and the measurement light.Type: ApplicationFiled: July 6, 2020Publication date: January 14, 2021Applicant: Mitutoyo CorporationInventors: Yoshimasa Suzuki, Shinichi Hara, Shinji Komatsuzaki, Ryusuke Kato, Hiroki Ujihara, Masayuki Nara, Tomotaka Takahashi
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Publication number: 20180186002Abstract: Provision of a robot which has a simpler configuration and is capable of a stand-up operation. A posture controlling section (10) changes a posture of a robot 1 from a sitting posture to a bridge posture. In the bridge posture, a projected point (T), which represents a center of gravity of the robot (1) projected onto a plane parallel to a support polygon (R) of the robot (1), is at a position that is outside the support polygon (R) and near a right leg part 6 and a left leg part 7.Type: ApplicationFiled: July 8, 2016Publication date: July 5, 2018Inventors: TAKAHIRO INOUE, AKIRA MOTOMURA, TOMOTAKA TAKAHASHI
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Patent number: 8895911Abstract: An optical encoder includes a scale having diffraction gratings formed at predetermined pitches in a measurement axis direction, a detection head relatively movable with respect to the scale, the detection head including a light source portion configured to irradiate the scale with light, and a plurality of receiver portions configured to receive light reflected by or transmitted through the diffraction gratings of the scale, at different phases, and a signal processing device configured to perform signal processing to light reception signals output from the receiver portions of the detection head, to produce quadrature differential signals. The signal processing device is configured to calculate alignment adjustment monitor signals corresponding to a Lissajous radius of the quadrature differential signals in order to detect misalignment of the detection head with respect to the scale.Type: GrantFiled: January 27, 2012Date of Patent: November 25, 2014Assignee: Mitutoyo CorporationInventor: Tomotaka Takahashi
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Patent number: 8666261Abstract: A photoelectric encoder includes a scale; a detector; alight application section; a pair of origin signal reception sections; and a signal processing section adapted to provide the maximum value of the signal level output from the origin signal reception sections by side lobe light occurring as reflected on the origin mark as a stipulated value, provide an effective area of origin detection between the first position at which output of one of the origin signal reception sections for outputting a larger signal level than the stipulated value earlier than the relative displacement becomes a larger signal level than the stipulated value and the first position at which output of the other origin signal reception section exceeds the stipulated value and then becomes a smaller signal level than the stipulated value, and configured to generate the origin detection signal in the effective area.Type: GrantFiled: March 17, 2011Date of Patent: March 4, 2014Assignee: Mitutoyo CorporationInventor: Tomotaka Takahashi
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Patent number: D696324Type: GrantFiled: February 19, 2013Date of Patent: December 24, 2013Assignee: K. K DeAgostini JapanInventor: Tomotaka Takahashi
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Patent number: D794692Type: GrantFiled: February 12, 2016Date of Patent: August 15, 2017Assignee: Sharp Kabushiki KaishaInventors: Akira Haranaka, Yasuyuki Sugino, Tomotaka Takahashi
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Patent number: D806805Type: GrantFiled: July 15, 2015Date of Patent: January 2, 2018Assignee: Vstone Co., Ltd.Inventor: Tomotaka Takahashi
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Patent number: D810014Type: GrantFiled: February 12, 2016Date of Patent: February 13, 2018Assignees: SHARP KABUSHIKI KAISHA, KABUSHIKI KAISHA ROBO GARAGEInventors: Akira Haranaka, Tomotaka Takahashi
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Patent number: D857809Type: GrantFiled: October 29, 2018Date of Patent: August 27, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Fuminori Kataoka, Hiromi Tonegawa, Norihide Umeyama, Tomotaka Takahashi, Taichi Shimaya, Shigeki Tohyama
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Patent number: D873353Type: GrantFiled: October 26, 2018Date of Patent: January 21, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Fuminori Kataoka, Hiromi Tonegawa, Norihide Umeyama, Tomotaka Takahashi, Taichi Shimaya
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Patent number: D973033Type: GrantFiled: October 9, 2019Date of Patent: December 20, 2022Assignee: ROBO GARAGE CO., LTD.Inventor: Tomotaka Takahashi