Patents by Inventor Yoshihito Narita
Yoshihito Narita 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: 11817003Abstract: A content presentation system includes: a trainee terminal that presents training content to the trainee; a worker terminal used by a worker; a tool recognition device that acquires a work video of the worker and recognizes the tool being used by the worker; a determination device that determines success or failure of the work at a specific stage based on the information about the work tool recognized by the tool recognition device; and a content creation device that creates and updates the training content based on the determination result of the determination device. When the determination result is determined to be the failure of the work by the determination device, the content creation device identifies a portion of the training content corresponding to the specific stage in the work procedure and updates the portion of the training content so as to suppress a factor of the failure.Type: GrantFiled: May 18, 2022Date of Patent: November 14, 2023Assignee: Hitachi Systems, Ltd.Inventors: Shintaro Tsuchiya, Takayuki Fujiwara, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Publication number: 20230048604Abstract: The present invention provides a reflective polarized-light separating diffraction-element usable in a wide wavelength region including an ultraviolet region, and an optical measurement device comprising the same. The reflective polarized-light separating diffraction-element comprises: a substrate (1); a reflection surface (2) formed on a surface of the substrate (1); and a lattice structured body assembly (3) that is provided on the reflection surface (2) and shows a form birefringence (?n*). The lattice structured body assembly (3) consists of lattice structured bodies (3A, 3B, 3C and 3D) of four patterns having lattice structures of different azimuths. The lattice structured bodies (3A, 3B, 3C and 3D) of a plurality of patterns are aligned on the reflection surface 2 in a predetermined direction such that the azimuths of the lattice structures change in a structurally periodic manner.Type: ApplicationFiled: December 16, 2019Publication date: February 16, 2023Applicants: JASCO CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takashi FUKUDA, Akira EMOTO, Yoshihito NARITA, Hiroshi HAYAKAWA, Yuichi MIYOSHI
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Publication number: 20220351641Abstract: A content presentation system includes: a trainee terminal that presents training content to the trainee; a worker terminal used by a worker; a tool recognition device that acquires a work video of the worker and recognizes the tool being used by the worker; a determination device that determines success or failure of the work at a specific stage based on the information about the work tool recognized by the tool recognition device; and a content creation device that creates and updates the training content based on the determination result of the determination device. When the determination result is determined to be the failure of the work by the determination device, the content creation device identifies a portion of the training content corresponding to the specific stage in the work procedure and updates the portion of the training content so as to suppress a factor of the failure.Type: ApplicationFiled: May 18, 2022Publication date: November 3, 2022Applicant: Hitachi Systems, Ltd.Inventors: Shintaro Tsuchiya, Takayuki Fujiwara, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Patent number: 11367365Abstract: A content presentation system includes: a training content distribution function 431 that presents the training content to the trainee; a work content delivery function 331 that presents a work procedure based on augmented reality; a user operation detection unit 120 that detects a three-dimensional operation of the site worker; a work record analysis function 338 that determines success or failure of the work based on the evaluation reference information; and a content creation/updating function 342 that updates the training content based on the determination result. When a predetermined body motion of the worker is detected, the work record analysis function determines whether the work has failed based on the measurement information of the model worker up to the body motion. When the work is determined to have failed, the content creation/updating function updates the training content so as to suppress the factor of the failure.Type: GrantFiled: August 24, 2018Date of Patent: June 21, 2022Assignee: Hitachi Systems, Ltd.Inventors: Shintaro Tsuchiya, Takayuki Fujiwara, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Patent number: 11361417Abstract: The present invention relates to an aircraft-utilizing deterioration diagnostic system and provides a technique capable of improving diagnostic efficiency and accuracy when comparing the previous and current aerially-photographed images to diagnose a deteriorated state of a target. The diagnostic system includes: a drone 1 (aircraft) configured to be navigated along a route around a target 5 and having a camera 4 configured to photograph the target 5; and a computer (PC 2 and server 3) configured to control navigation of the aircraft and photographing by the camera 4.Type: GrantFiled: August 24, 2018Date of Patent: June 14, 2022Assignee: Hitachi Systems Ltd.Inventors: Yu Zhao, Jun-ichiro Watanabe, Masato Nakamura, Ryouichi Ueda, Kentarou Oonishi, Yoshihito Narita
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Publication number: 20220051579Abstract: The content creation system comprises: an operation measurement device 1 that acquires, as measurement information, a three-dimensional work operation of a model worker R1 that performs the work of the work procedure; an evaluation criterion creation device 2 that creates evaluation criterion information on the work of the work procedure, based on the measurement information of the three-dimensional work operation; and a content creation device 3 that creates and updates the training content, based on the measurement information of the three-dimensional work operation, the evaluation criterion information and the three-dimensional shape information of the work target device. The work management server 2 creates the evaluation criterion information, based on distance information of the three-dimensional work operation with respect to the three-dimensional shape in specific stage of the work procedure, on the condition that a predetermined body motion of the model worker R1 is detected.Type: ApplicationFiled: August 24, 2018Publication date: February 17, 2022Applicant: Hitachi Systems, Ltd.Inventors: Takayuki Fujiwara, Shintaro Tsuchlya, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Publication number: 20210358102Abstract: The present invention relates to an aircraft-utilizing deterioration diagnostic system and provides a technique capable of improving diagnostic efficiency and accuracy when comparing the previous and current aerially-photographed images to diagnose a deteriorated state of a target. The diagnostic system includes: a drone 1 (aircraft) configured to be navigated along a route around a target 5 and having a camera 4 configured to photograph the target 5; and a computer (PC 2 and server 3) configured to control navigation of the aircraft and photographing by the camera 4.Type: ApplicationFiled: August 24, 2018Publication date: November 18, 2021Inventors: Yu ZHAO, Jun-ichiro WATANABE, Masato NAKAMURA, Ryouichi UEDA, Kentarou OONISHI, Yoshihito NARITA
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Publication number: 20210358327Abstract: A content presentation system includes: a training content distribution function 431 that presents the training content to the trainee; a work content delivery function 331 that presents a work procedure based on augmented reality; a user operation detection unit 120 that detects a three-dimensional operation of the site worker; a work record analysis function 338 that determines success or failure of the work based on the evaluation reference information; and a content creation/updating function 342 that updates the training content based on the determination result. When a predetermined body motion of the worker is detected, the work record analysis function determines whether the work has failed based on the measurement information of the model worker up to the body motion. When the work is determined to have failed, the content creation/updating function updates the training content so as to suppress the factor of the failure.Type: ApplicationFiled: August 24, 2018Publication date: November 18, 2021Applicant: Hitachi Systems, Ltd.Inventors: Shintaro Tsuchiya, Takayuki Fujiwara, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Publication number: 20210335148Abstract: The training management server 3 and the site management server 6 of the content presentation system 1 that presents a training content, when predetermined information that can be an accident occurrence factor in the on-site work of the work target device from a predetermined three-dimensional body motion of the trainee R1 or the model worker R2, adjust the evaluation criterion information on the work operation in the specific stage or other stage of the work procedure of the on-site work related to the information. At that time, the training content is updated so as to increase a probability of occurrence of a simulated accident with respect to the work operation in the specific stage or other stage during the simulated work, and impress the trainee R1 with the occurrence of the accident at occurrence of the simulated accident.Type: ApplicationFiled: August 24, 2018Publication date: October 28, 2021Applicant: Hitachi Systems, Ltd.Inventors: Takayuki Fujiwara, Shintaro Tsuchiya, Kentarou Oonishi, Katsuro Kikuchi, Yoshihito Narita
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Patent number: 10491154Abstract: A defective photovoltaic cell module is identified without disconnection in a photovoltaic cell string. As a typical embodiment, in a photovoltaic power generation inspection system in a photovoltaic power generation system having a structure in which a plurality of photovoltaic cell strings are connected in parallel, the photovoltaic power generation system detecting a defective module among a plurality of modules included in a defective string, the photovoltaic power generation inspection system includes: a current detector that measures an output current of a photovoltaic cell string without disconnection; and a monitor unit that estimates a defective module based on change in a plurality of output currents each measured by the current detector while the photovoltaic cell modules included in the defective string are sequentially shielded from light by a light shielding member.Type: GrantFiled: July 10, 2015Date of Patent: November 26, 2019Assignee: HITACHI SYSTEMS, LTDInventors: Kazuki Watanabe, Hironori Wakana, Yoshihito Narita, Minoru Kaneko, Atsushi Suzuki, Tadanori Koike, Keiichi Nagashima
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Publication number: 20180198405Abstract: A defective photovoltaic cell module is identified without disconnection in a photovoltaic cell string. As a typical embodiment, in a photovoltaic power generation inspect ion system in a photovoltaic power generation system having a structure in which a plurality of photovoltaic cell strings are connected in parallel, the photovoltaic power generation system detecting a defective module among a plurality of modules included in a defective string, the photovoltaic power generation inspection system includes: a current detector that measures an output current of a photovoltaic cell string without disconnection; and a monitor unit that estimates a defective module based on change in a plurality of output currents each measured by the current detector while the photovoltaic cell modules included in the defective string are sequentially shielded from light by a light shielding member.Type: ApplicationFiled: July 10, 2015Publication date: July 12, 2018Inventors: Kazuki WATANABE, Hironori WAKANA, Yoshihito NARITA, Minoru KANEKO, Atsushi SUZUKI, Tadanori KOIKE, Keiichi NAGASHIMA
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Patent number: 9831827Abstract: A photovoltaic inspection system is provided, the photovoltaic inspection system detecting a failure by eliminating ON/OFF operation of a switch or others at the time of inspection or checkup as much as possible, reducing an influence of a temperature distribution as a whole with a small effort, and detecting a local deterioration in a photovoltaic module or string.Type: GrantFiled: August 13, 2013Date of Patent: November 28, 2017Assignee: Hitachi Systems, Ltd.Inventors: Toru Kono, Yoshihito Narita, Kentarou Oonishi, Minoru Kaneko, Daisuke Katsumata
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Publication number: 20160218668Abstract: A photovoltaic inspection system is provided, the photovoltaic inspection system detecting a failure by eliminating ON/OFF operation of a switch or others at the time of inspection or checkup as much as possible, reducing an influence of a temperature distribution as a whole with a small effort, and detecting a local deterioration in a photovoltaic module or string.Type: ApplicationFiled: August 13, 2013Publication date: July 28, 2016Inventors: Toru Kono, Yoshihito Narita, Kentarou Oonishi, Minoru Kaneko, Daisuke Katsumata
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Patent number: 7586606Abstract: A near-field polarized-light measurement apparatus 10 comprises a near-field probe 14, an analyzer 18, a detector 22, and an analyzer-rotating unit 20. The near-field probe 14 has at a tip thereof an opening smaller than the wavelength of light used for measurement and generates linearly polarized near-field light from the opening and irradiates a sample with the near-field light. The detector 22 detects light transmitted through the sample via the analyzer 18. The analyzer-rotating unit 20 rotates the analyzer 18 about an optical axis to vary the angle of a transmission axis thereof. And optical rotation of the sample is measured by rotating the analyzer 18 with the analyzer-rotating unit 20.Type: GrantFiled: April 5, 2006Date of Patent: September 8, 2009Assignee: JASCO CorporationInventors: Tsutomu Inoue, Fuminori Sato, Yoshihito Narita, Mutsumi Senuma
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Patent number: 7235807Abstract: A near field analysis apparatus comprising: an irradiation optical system comprising an irradiation-side adjustable optical system for adjusting the position or angle of an optical axis thereof, and irradiating irradiation-side guide light onto an adjustment surface via the irradiation-side adjustable optical system; a light collecting optical system comprising a light-collection-side adjustable optical system for adjusting the position or angle of an optical axis thereof, and irradiating light-collection-side guide light onto the adjustment surface via the light-collection-side adjustable optical system; an irradiation-side adjustment device for adjusting the position or angle of the irradiation-side adjustable optical system such that the spots of the guide light, which are observed at the adjustment surface, match; and a light-collection-side adjustment device for adjusting the position or angle of the light-collection-side adjustable optical system such that the spots of the guide light, which are observeType: GrantFiled: December 22, 2005Date of Patent: June 26, 2007Assignee: Jasco CorporationInventors: Yoshihito Narita, Shigeyuki Kimura, Fuminori Sato, Atsushi Yamada
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Publication number: 20060238758Abstract: A near-field polarized-light measurement apparatus 10 comprises a near-field probe 14, an analyzer 18, a detector 22, and an analyzer-rotating unit 20. The near-field probe 14 has at a tip thereof an opening smaller than the wavelength of light used for measurement and generates linearly polarized near-field light from the opening and irradiates a sample with the near-field light. The detector 22 detects light transmitted through the sample via the analyzer 18. The analyzer-rotating unit 20 rotates the analyzer 18 about an optical axis to vary the angle of a transmission axis thereof. And optical rotation of the sample is measured by rotating the analyzer 18 with the analyzer-rotating unit 20.Type: ApplicationFiled: April 5, 2006Publication date: October 26, 2006Applicant: Jasco CorporationInventors: Tsutomu Inoue, Fuminori Sato, Yoshihito Narita, Mutsumi Senuma
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Publication number: 20060164638Abstract: A near-field film-thickness measurement apparatus having a spatial resolution at or below the wavelength of light and having sufficient film-thickness measurement precision. The near-field film-thickness measurement apparatus 10 comprises a scattering near-field probe 12, a light source 14, a detector 18, a spectroscope 16 disposed in an optical path between the light source 14 and the detector 18, and a film-thickness calculating unit 20. The light source 14 emits excitation light for generating near-field light at a tip of the near-field probe 12 and/or at a surface of a film sample. The detector 18 detects, as measurement light, scattered light generated by bringing the tip of the near-field probe 12 and the surface of the film sample close to the region of the near-field light. The spectroscope 16 performs spectrometry in a predetermined range of wave numbers.Type: ApplicationFiled: December 27, 2005Publication date: July 27, 2006Applicant: Jasco CorporationInventor: Yoshihito Narita
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Publication number: 20060131493Abstract: A near field analysis apparatus comprising: an irradiation optical system comprising an irradiation-side adjustable optical system for adjusting the position or angle of an optical axis thereof, and irradiating irradiation-side guide light onto an adjustment surface via the irradiation-side adjustable optical system; a light collecting optical system comprising a light-collection-side adjustable optical system for adjusting the position or angle of an optical axis thereof, and irradiating light-collection-side guide light onto the adjustment surface via the light-collection-side adjustable optical system; an irradiation-side adjustment device for adjusting the position or angle of the irradiation-side adjustable optical system such that the spots of the guide light, which are observed at the adjustment surface, match; and a light-collection-side adjustment device for adjusting the position or angle of the light-collection-side adjustable optical system such that the spots of the guide light, which are observeType: ApplicationFiled: December 22, 2005Publication date: June 22, 2006Applicant: Jasco CorporationInventors: Yoshihito Narita, Shigeyuki Kimura, Fuminori Sato, Atsushi Yamada
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Patent number: 6813402Abstract: It is an object of the present invention to provide a probe that may correspond to various styles of measurement when used in microscopes and that is also applicable to recording devices and an optical head using the same, as well as to provide a method for manufacturing such a probe in a simple and costless manner; for achieving such objects, the method for manufacturing a multiple optical path array type probe according to the present invention is arranged in that in a light guiding material including a substrate that functions as a clad and a light guiding path formed of a component that functions as a core for guiding light or as a waveguide, the light guiding material includes a plurality of light guiding paths aligned to be parallel to each other within the substrate that functions as a clad, and tip end portions of the light guiding paths are sharpened through chemical etching of an end surface that is orthogonal to the plurality of light guiding paths.Type: GrantFiled: February 19, 2002Date of Patent: November 2, 2004Assignee: Jasco CorporationInventors: Yoshihito Narita, Tsutomu Inoue
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Patent number: 6812449Abstract: An opening fabricating apparatus for creating an opening with desired dimensions at a mask tip of a near-field optical microscope, and a near-field optical microscope using the same are provided. The apparatus comprising: a light source 116; reflection means 140, light detection means 124; press means 128, 130 pressing a probe tip against said reflection means; storage means 142; calculation means 144 figuring out the quantity of light of the reflected light for the acquisition of said opening with desired dimensions from the calibration information stored in said storage means; and press control means 126 controlling pressing of said probe tip against said reflection means so as to allow the quantity of light of said reflected light to become equal to the quantity figured out by said calculation means. The probe opening fabricating apparatus is capable of readily fabricating an opening of desired dimensions with a high reproducibility.Type: GrantFiled: March 10, 2004Date of Patent: November 2, 2004Assignee: Jasco CorporationInventors: Tsutomu Inoue, Fuminori Sato, Yoshihito Narita