Patents by Inventor Jun Hirota
Jun Hirota 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: 11967223Abstract: The purpose of the present invention is to provide a hazard prediction method that can perform hazard prediction activities so as to prevent accidents, regardless of skills and personalities of workers.Type: GrantFiled: April 2, 2020Date of Patent: April 23, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Sachi Tsujimura, Jun Onishi, Yasuhiro Maehara, Hidenobu Hirota, Naotsugu Ambe
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Publication number: 20220026661Abstract: An alignment device includes a base table, a plurality of electric actuators attached to the base table, an alignment table supported by the plurality of electric actuators. Each of the plurality of electric actuators includes a linear motion device that drives the alignment table in a direction approaching or separating from the base table.Type: ApplicationFiled: December 2, 2019Publication date: January 27, 2022Applicant: THK CO., LTD.Inventors: Hajime Fukushima, Jun Hirota, Junichi Iguchi, Marie Shimamura
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Patent number: 11060990Abstract: A semiconductor measurement device includes an electrode provided in a semiconductor sample, and a probe contactable with the semiconductor sample. A driver moves a contact position of the probe with respect to the semiconductor sample. A power supply applies electric power between the probe and the electrode. A measurement operation portion measures a current flowing via the semiconductor sample between the probe and the electrode as a voltage applied between the probe and the electrode is changed, the measurement operation portion measuring the current flowing for each of plural measurement points of a surface of the semiconductor sample while causing the probe to scan the measurement points, or while sequentially bringing the probe into contact with the measurement points. A display displays a relationship between the voltage and the current measured at each of the measurement points.Type: GrantFiled: August 27, 2018Date of Patent: July 13, 2021Assignee: TOSHIBA MEMORY CORPORATIONInventors: Jun Hirota, Tsukasa Nakai, Masako Kobayashi, Kazunori Harada
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Patent number: 11009067Abstract: An object is to provide a mounting structure of a bearing member which enables size and weight reduction of entire apparatus and also contributes to cost reduction thereof. The mounting structure of a bearing member includes: a bearing member for supporting a rotary shaft; a case member to which the bearing member is mounted; and a mounting plate for clamping the bearing member in an axial direction of the rotary shaft in conjunction with the case member, wherein the mounting plate includes a mounting portion of a counter member which is mounted to the case member and clamps the case member in the axial direction in conjunction with the counter member.Type: GrantFiled: February 19, 2018Date of Patent: May 18, 2021Assignee: THK CO., LTD.Inventors: Jun Hirota, Junichi Iguchi, Hajime Fukushima
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Patent number: 10859895Abstract: A projector apparatus that can effectively reduce bending of a base plate supporting a lens shifting unit thereon and facilitates replacement of unit parts in the event of a failure is provided. The projector apparatus includes: a base plate attached inside a projector body; a lens supporting unit attached to the base plate and supporting a projection lens so as to be movable relative to the base plate; guiding mechanisms for guiding the lens supporting unit so as to be freely movable in a horizontal direction and a normal direction relative to the base plate; and fixing devices which fix the base plate to the projector body. The fixing devices include a plurality of first fixing devices provided at a peripheral edge of the base plate, and second fixing devices provided on an inner side of the plurality of first fixing devices.Type: GrantFiled: November 2, 2017Date of Patent: December 8, 2020Assignees: THK CO., LTD., NEC DISPLAY SOLUTIONS, LTD.Inventors: Marie Shimamura, Jun Hirota, Hajime Fukushima, Kunitaka Furuichi
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Patent number: 10718927Abstract: A lens moving mechanism includes a lens mount unit on which a lens for projecting light is mounted, a lens guide unit which supports the lens mount unit and guides the lens mount unit in at least one axis direction among three orthogonal axis directions including an optical axis direction of the light, and a lens guide fixing unit to which the lens guide unit is fixed. The lens guide unit includes a plurality of linear motion guide devices each including a track body fixed to the lens guide fixing unit and a moving body moving along the track body. A plurality of track bodies are coaxially disposed in the lens guide fixing unit.Type: GrantFiled: October 26, 2017Date of Patent: July 21, 2020Assignee: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hirokazu Tatsuzuki, Hajime Fukushima
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Patent number: 10712528Abstract: A lens moving mechanism includes a first lens guide unit which guides a lens mount, on which a lens for projecting light is mounted, in two orthogonal axis directions among three orthogonal axis directions including an optical axis direction of the light. The first lens guide unit includes a first track rail and a second track rail which are disposed to intersect each other in the two orthogonal axis directions, and one or a plurality of slider blocks which are mounted to be relatively movable on both or either of the first track rail and the second track rail. The one or plurality of slider blocks are disposed at an intersecting portion between the first track rail and the second track rail in one axis direction orthogonal to the two orthogonal axis directions, or are disposed to at least partially overlap each other in the one axis direction.Type: GrantFiled: October 26, 2017Date of Patent: July 14, 2020Assignee: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hajime Fukushima
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Patent number: 10606024Abstract: A lens moving mechanism includes a guide section which supports a lens mount unit on which a lens for projecting light is mounted and guides the lens mount unit in three orthogonal axis directions including an optical axis direction of the light, and a base member which supports a saddle guide unit of the guide section and is fixed to a projector main body. The saddle guide unit includes first linear motion guide devices which are fixed to the base member and guide the lens mount unit in an orthogonal-to-optical axis direction orthogonal to the optical axis direction.Type: GrantFiled: October 26, 2017Date of Patent: March 31, 2020Assignee: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hajime Fukushima
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Patent number: 10545170Abstract: A measuring method of a scanning probe microscopy moves the probe from the first measuring point to the second measuring point while the probe has contact with the object to be measured and a pressing force weaker than the first pressing force is applied between the probe and the object to be measured after the measurement at the first measuring point has ended, applies the first pressing force between the probe and the object to be measured until the tip end position of the probe reaches the first distance in the depth direction from the upper surface of the object to be measured, and measures the physical property information of the object to be measured after the tip end position of the probe has reached the first distance in the depth direction from the upper surface of the object to be measured at the second measuring point.Type: GrantFiled: March 11, 2016Date of Patent: January 28, 2020Assignee: Toshiba Memory CorporationInventors: Jun Hirota, Kazunori Harada, Tsukasa Nakai
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Publication number: 20200003255Abstract: An object is to provide a mounting structure of a bearing member which enables size and weight reduction of entire apparatus and also contributes to cost reduction thereof. The mounting structure of a bearing member includes: a bearing member for supporting a rotary shaft; a case member to which the bearing member is mounted; and a mounting plate for clamping the bearing member in an axial direction of the rotary shaft in conjunction with the case member, wherein the mounting plate includes a mounting portion of a counter member which is mounted to the case member and clamps the case member in the axial direction in conjunction with the counter member.Type: ApplicationFiled: February 19, 2018Publication date: January 2, 2020Applicant: THK CO., LTD.Inventors: Jun Hirota, Junichi Iguchi, Hajime Fukushima
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Publication number: 20190353991Abstract: A projector apparatus that can effectively reduce bending of a base plate supporting a lens shifting unit thereon and facilitates replacement of unit parts in the event of a failure is provided. The projector apparatus includes: a base plate attached inside a projector body; a lens supporting unit attached to the base plate and supporting a projection lens so as to be movable relative to the base plate; guiding mechanisms for guiding the lens supporting unit so as to be freely movable in a horizontal direction and a normal direction relative to the base plate; and fixing devices which fix the base plate to the projector body. The fixing devices include a plurality of first fixing devices provided at a peripheral edge of the base plate, and second fixing devices provided on an inner side of the plurality of first fixing devices.Type: ApplicationFiled: November 2, 2017Publication date: November 21, 2019Applicants: THK CO., LTD., NEC DISPLAY SOLUTIONS, LTD.Inventors: Marie Shimamura, Jun Hirota, Hajime Fukushima, Kunitaka Furuichi
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Publication number: 20190339483Abstract: A lens moving mechanism includes a lens mount unit on which a lens for projecting light is mounted, a lens guide unit which supports the lens mount unit and guides the lens mount unit in at least one axis direction among three orthogonal axis directions including an optical axis direction of the light, and a lens guide fixing unit to which the lens guide unit is fixed. The lens guide unit includes a plurality of linear motion guide devices each including a track body fixed to the lens guide fixing unit and a moving body moving along the track body. A plurality of track bodies are coaxially disposed in the lens guide fixing unit.Type: ApplicationFiled: October 26, 2017Publication date: November 7, 2019Applicant: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hirokazu Tatsuzuki, Hajime Fukushima
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Patent number: 10437526Abstract: When sound data corresponding to predetermined sound is input to a sound control system, the sound control system transmits identification information of a printer to a terminal device. The terminal device transmits print data to the printer based on the identification information of the printer.Type: GrantFiled: September 25, 2018Date of Patent: October 8, 2019Assignee: Canon Kabushiki KaishaInventors: Takuji Fukumoto, Jun Hirota
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Publication number: 20190293586Abstract: A semiconductor measurement device includes an electrode provided in a semiconductor sample, and a probe contactable with the semiconductor sample. A driver moves a contact position of the probe with respect to the semiconductor sample. A power supply applies electric power between the probe and the electrode. A measurement operation portion measures a current flowing via the semiconductor sample between the probe and the electrode as a voltage applied between the probe and the electrode is changed, the measurement operation portion measuring the current flowing for each of plural measurement points of a surface of the semiconductor sample while causing the probe to scan the measurement points, or while sequentially bringing the probe into contact with the measurement points. A display displays a relationship between the voltage and the current measured at each of the measurement points.Type: ApplicationFiled: August 27, 2018Publication date: September 26, 2019Applicant: TOSHIBA MEMORY CORPORATIONInventors: Jun HIROTA, Tsukasa NAKAI, Masako KOBAYASHI, Kazunori HARADA
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Publication number: 20190258023Abstract: A lens moving mechanism includes a first lens guide unit which guides a lens mount, on which a lens for projecting light is mounted, in two orthogonal axis directions among three orthogonal axis directions including an optical axis direction of the light. The first lens guide unit includes a first track rail and a second track rail which are disposed to intersect each other in the two orthogonal axis directions, and one or a plurality of slider blocks which are mounted to be relatively movable on both or either of the first track rail and the second track rail. The one or plurality of slider blocks are disposed at an intersecting portion between the first track rail and the second track rail in one axis direction orthogonal to the two orthogonal axis directions, or are disposed to at least partially overlap each other in the one axis direction.Type: ApplicationFiled: October 26, 2017Publication date: August 22, 2019Applicant: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hajime Fukushima
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Publication number: 20190250365Abstract: A lens moving mechanism includes a guide section which supports a lens mount unit on which a lens for projecting light is mounted and guides the lens mount unit in three orthogonal axis directions including an optical axis direction of the light, and a base member which supports a saddle guide unit of the guide section and is fixed to a projector main body. The saddle guide unit includes first linear motion guide devices which are fixed to the base member and guide the lens mount unit in an orthogonal-to-optical axis direction orthogonal to the optical axis direction.Type: ApplicationFiled: October 26, 2017Publication date: August 15, 2019Applicant: THK CO., LTD.Inventors: Jun Hirota, Marie Shimamura, Hajime Fukushima
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Patent number: 10345336Abstract: A scanning probe microscope that includes a probe, a positioning unit configured to position a probe on a measurement sample, an excitation unit configured to excite the measurement sample at a predetermined frequency, a resonance unit configured to output a frequency modulation signal by converting a change of a capacitance of the measurement sample, a lock-in amplifier configured to output a differential capacitance signal obtained by extracting a predetermined frequency component and a harmonic component of the predetermined frequency of the demodulated signal, a conversion unit configured to output data indicative of a relationship between a voltage applied to the measurement sample and the capacitance, a detecting unit that detects a voltage value corresponding to a feature point of the relationship data, and a main measurement control unit that measures electrical characteristics of the measurement sample subjected to a DC bias voltage substantially equal to the feature point voltage.Type: GrantFiled: August 31, 2016Date of Patent: July 9, 2019Assignee: TOSHIBA MEMORY CORPORATIONInventors: Jun Hirota, Tsukasa Nakai, Haruko Akutsu
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Publication number: 20190102116Abstract: When sound data corresponding to predetermined sound is input to a sound control system, the sound control system transmits identification information of a printer to a terminal device. The terminal device transmits print data to the printer based on the identification information of the printer.Type: ApplicationFiled: September 25, 2018Publication date: April 4, 2019Inventors: Takuji Fukumoto, Jun Hirota
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Publication number: 20170269123Abstract: A scanning probe microscope that includes a probe, a positioning unit configured to position a probe on a measurement sample, an excitation unit configured to excite the measurement sample at a predetermined frequency, a resonance unit configured to output a frequency modulation signal by converting a change of a capacitance of the measurement sample, a lock-in amplifier configured to output a differential capacitance signal obtained by extracting a predetermined frequency component and a harmonic component of the predetermined frequency of the demodulated signal, a conversion unit configured to output data indicative of a relationship between a voltage applied to the measurement sample and the capacitance, a detecting unit that detects a voltage value corresponding to a feature point of the relationship data, and a main measurement control unit that measures electrical characteristics of the measurement sample subjected to a DC bias voltage substantially equal to the feature point voltage.Type: ApplicationFiled: August 31, 2016Publication date: September 21, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Jun HIROTA, Tsukasa NAKAI, Haruko AKUTSU
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Publication number: 20160379709Abstract: A storage device has a recording media capable of recording information, a probe array which is arranged opposed to one main surface of the recording media and includes a plurality of probes capable of reading and writing the information from/to the recording media by contacting the probes with or providing the probes adjacent to the one main surface, and an actuator to relatively move the recording media and the probe array along a direction parallel to the one main surface. The probe includes a cantilever which comprises a groove on a surface side opposed to the one main surface and an electrode arranged on at least one side surface connected to the surface opposed to the one main surface of the cantilever.Type: ApplicationFiled: March 11, 2016Publication date: December 29, 2016Inventors: Jun HIROTA, Moto YABUKI, Hideo SHINOMIYA