Patents by Inventor Go Kobayashi
Go Kobayashi 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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Publication number: 20230244047Abstract: An optical module includes: a casing in which light is propagated; a heating portion; a device arranged inside the casing and configured to change, when heated, characteristics of the light propagated inside the casing; and a first member thermally connected to the heating portion and the device, the first member including a hollow arranged in a heat transfer path from the heating portion to the device and configured to prevent convective heat transmission to an inside of the casing.Type: ApplicationFiled: November 28, 2022Publication date: August 3, 2023Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Kazuya NAGASHIMA, Atsushi IZAWA, Atsushi KAJI, Go KOBAYASHI
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Publication number: 20220152882Abstract: An object of the invention is to provide a method for conditioning a surface of a molded article. The present invention relates to a combination of a mold used for curing a thermosetting resin and a release film placed between the thermosetting resin and the mold during the curing. The release film comprises a base layer formed of a thermoplastic resin and a surface layer formed of a particle-containing fluororesin and laminated to the face which is placed during the curing on the side of the thermosetting resin among the two faces of the base layer. The mold has an irregularity formed on the face brought into contact with the release film during the curing.Type: ApplicationFiled: September 24, 2019Publication date: May 19, 2022Applicant: KOBAYASHI & CO.,LTD.Inventors: Keisuke SAKAI, Nanae TANAKA, Kenji MIYASHITA, Go KOBAYASHI
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Publication number: 20210362147Abstract: A storage container includes: a substrate having a plurality of storage wells to store an object therein, the storage wells being formed on a predetermined substrate surface of the substrate. Further, the storage wells each includes an opening forming portion forming an opening portion opening on the substrate surface, and having an inclined surface that inclines from the substrate surface downward in a depth direction on an inner surface of the opening portion; and a bottomed storage portion that has a side wall surface extending in a direction perpendicular to the substrate surface on a lower side in the depth direction of the storage well relative to the opening forming portion, and that communicates with a region on the substrate surface through the opening portion, and a lower end of the inclined surface is connected to the side wall surface of the storage portion, forming a ridgeline.Type: ApplicationFiled: August 9, 2021Publication date: November 25, 2021Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Go KOBAYASHI, Junichi HASEGAWA, Noritaka MATSUBARA
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Patent number: 10770863Abstract: A disclosed semiconductor laser device includes a distributed feedback portion serving as a light-emittable active region the distributed feedback portion having a diffraction grating; and a distributed reflective portion serving as a passive reflective mirror, the distributed reflective portion having a diffraction grating, wherein the distributed feedback portion includes a first region adjacent to the distributed reflective portion and having a diffraction grating having a predetermined standard period, a phase shift region adjacent to the first region, the phase shift region being longer by twice or more than the standard period, and a second region adjacent to an opposite side to the first region of the phase shift region and having a diffraction grating with the standard period, and the phase shift region optically changes a phase of laser beam between the first region and the second region.Type: GrantFiled: January 30, 2019Date of Patent: September 8, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Toshihito Suzuki, Kazuaki Kiyota, Go Kobayashi
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Patent number: 10323977Abstract: A combination weighing apparatus having excellent sanitation includes: a plurality of weighing mechanisms, a weighing mechanism frame which stores the weighing mechanisms, and a body frame which supports the weighing mechanism frame, in which a normal to a surface of the body frame is inclined with respect to a vertical direction.Type: GrantFiled: September 18, 2015Date of Patent: June 18, 2019Assignee: Ishida Co., Ltd.Inventors: Yoshiki Horitani, Hideshi Miyamoto, Toshiharu Kageyama, Yutaka Tamai, Mikio Kishikawa, Naomi Imaaki, Go Kobayashi
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Publication number: 20190165544Abstract: A disclosed semiconductor laser device includes a distributed feedback portion serving as a light-emittable active region the distributed feedback portion having a diffraction grating; and a distributed reflective portion serving as a passive reflective mirror, the distributed reflective portion having a diffraction grating, wherein the distributed feedback portion includes a first region adjacent to the distributed reflective portion and having a diffraction grating having a predetermined standard period, a phase shift region adjacent to the first region, the phase shift region being longer by twice or more than the standard period, and a second region adjacent to an opposite side to the first region of the phase shift region and having a diffraction grating with the standard period, and the phase shift region optically changes a phase of laser beam between the first region and the second region.Type: ApplicationFiled: January 30, 2019Publication date: May 30, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Toshihito SUZUKI, Kazuaki Kiyota, Go Kobayashi
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Publication number: 20170299423Abstract: Provided is a combination weighing apparatus having excellent sanitation. A combination weighing apparatus 1 includes: a plurality of weighing mechanisms 56, a weighing mechanism frame 80 which stores the weighing mechanisms 56, and a body frame 90 which supports the weighing mechanism frame 80, in which a normal to a surface of the body frame 90 is inclined with respect to a vertical direction.Type: ApplicationFiled: September 18, 2015Publication date: October 19, 2017Applicant: Ishida Co., Ltd.Inventors: Yoshiki HORITANI, Hideshi MIYAMOTO, Toshiharu KAGEYAMA, Yutaka TAMAI, Mikio KISHIKAWA, Naomi IMAAKI, Go KOBAYASHI
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Patent number: 9640349Abstract: The gas circuit breaker is made up of a fixed contact, a movable contact, a sealed tank having the fixed contact and the movable contact therein, an operating mechanism for driving the movable contact, and a mechanism unit for housing a link mechanism for connecting the operating mechanism with the movable contact. The operating mechanism is made up of an opening spring and a closing spring, cases for covering respective peripheries of those elastic bodies, a control mechanism for holding and freeing the driving force of the elastic body, and a link mechanism for conveying the driving force of the elastic body to the movable contact. The opening spring is laterally disposed in the axial direction between the link mechanism and the control mechanism. An integral flange is provided on an opening spring case and a closing spring case.Type: GrantFiled: November 13, 2014Date of Patent: May 2, 2017Assignee: Hitachi, Ltd.Inventors: Hiroaki Hashimoto, Kenichi Okubo, Go Kobayashi
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Patent number: 9509121Abstract: A semiconductor laser element includes: a semiconductor-layered structure including a waveguide core layer and having a distributed feedback laser portion and a distributed Bragg reflection portion, the waveguide core layer having a length continuous in an optical cavity length direction and a diffraction grating layer being disposed in vicinity of the waveguide core layer and along the waveguide core layer in the distributed feedback laser portion, and the waveguide core layer being disposed discretely and periodically to form a diffraction grating in the distributed Bragg reflection portion; and an electrode for injecting a current to the distributed feedback laser portion. The distributed feedback laser portion oscillates a laser light at a wavelength corresponding to a period of the diffraction grating layer. The diffraction grating formed by the waveguide core layer in the distributed Bragg reflection portion is set to have a stop band including the wavelength of the laser light.Type: GrantFiled: August 18, 2015Date of Patent: November 29, 2016Assignee: FURUKAWA ELECTRIC CO., LTD.Inventor: Go Kobayashi
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Publication number: 20160336719Abstract: An integrated semiconductor laser device includes: a semiconductor laser including a first active layer; a semiconductor optical amplifier including a second active layer and configured to amplify output laser light of the semiconductor laser; and a substrate on which the semiconductor laser and the semiconductor optical amplifier are integrated. The first active layer and the second active layer each include a multiple quantum well structure, and the second active layer includes a larger number of quantum wells than the first active layer.Type: ApplicationFiled: July 29, 2016Publication date: November 17, 2016Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Kazuaki KIYOTA, Go KOBAYASHI
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Publication number: 20150357792Abstract: A semiconductor laser element includes: a semiconductor-layered structure including a waveguide core layer and having a distributed feedback laser portion and a distributed Bragg reflection portion, the waveguide core layer having a length continuous in an optical cavity length direction and a diffraction grating layer being disposed in vicinity of the waveguide core layer and along the waveguide core layer in the distributed feedback laser portion, and the waveguide core layer being disposed discretely and periodically to form a diffraction grating in the distributed Bragg reflection portion; and an electrode for injecting a current to the distributed feedback laser portion. The distributed feedback laser portion oscillates a laser light at a wavelength corresponding to a period of the diffraction grating layer. The diffraction grating formed by the waveguide core layer in the distributed Bragg reflection portion is set to have a stop band including the wavelength of the laser light.Type: ApplicationFiled: August 18, 2015Publication date: December 10, 2015Applicant: FURUKAWA ELECTRIC CO., LTD.Inventor: Go KOBAYASHI
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Publication number: 20150136739Abstract: The gas circuit breaker is made up of a fixed contact, a movable contact, a sealed tank having the fixed contact and the movable contact therein, an operating mechanism for driving the movable contact, and a mechanism unit for housing a link mechanism for connecting the operating mechanism with the movable contact . The operating mechanism is made up of an opening spring and a closing spring, cases for covering respective peripheries of those elastic bodies, a control mechanism for holding and freeing the driving force of the elastic body, and a link mechanism for conveying the driving force of the elastic body to the movable contact. The opening spring is laterally disposed in the axial direction between the link mechanism and the control mechanism. An integral flange is provided on an opening spring case and a closing spring case.Type: ApplicationFiled: November 13, 2014Publication date: May 21, 2015Inventors: Hiroaki HASHIMOTO, Kenichi OKUBO, Go KOBAYASHI
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Publication number: 20150054524Abstract: A partial discharge measurement device according to the present invention includes a frequency separation unit for separating a partial discharge signal which occurs in an apparatus under diagnosis and is detected by a sensor into the partial discharge signal and a main circuit voltage phase signal, an arithmetic device which receives the partial discharge signal and the main circuit voltage phase signal separated by the frequency separation unit and calculates a partial discharge signal synchronized with a main circuit voltage based on the partial discharge signal and the main circuit voltage phase signal, a power supply device for extracting a voltage obtained by dividing the main circuit voltage and supplying a power supply voltage to the arithmetic device, and a control unit for issuing an instruction for powering on or off at least the arithmetic device to the power supply device.Type: ApplicationFiled: August 4, 2014Publication date: February 26, 2015Inventors: Chie KOBAYASHI, Toshiaki ROKUNOHE, Yoshiharu WADA, Go KOBAYASHI, Ken OBAYASHI
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Patent number: 8787420Abstract: Integrated are: semiconductor lasers of distributed feedback type that oscillate in single mode at emission wavelengths different from one another; a coupler that has as many input ports as the semiconductor lasers, the input ports to which output light from the semiconductor lasers are input, the coupler guiding and outputting the output light; and an amplifier that amplifies the output light from the coupler, and a predetermined relation holds true, where “N” is the number of the semiconductor lasers, “Ldfb” is a cavity length of each of the semiconductor lasers, “??0” is a spectral linewidth of laser light output therefrom, “Lsoa” is an amplifier length of the amplifier, “A” is an amplification factor of the amplifier, “??” is a spectral linewidth of amplified laser light output therefrom, and “R” is ??/??0.Type: GrantFiled: August 6, 2013Date of Patent: July 22, 2014Assignee: Furukawa Electric Co., Ltd.Inventors: Tatsuya Kimoto, Go Kobayashi, Toshikazu Mukaihara
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Publication number: 20130315273Abstract: Integrated are: semiconductor lasers of distributed feedback type that oscillate in single mode at emission wavelengths different from one another; a coupler that has as many input ports as the semiconductor lasers, the input ports to which output light from the semiconductor lasers are input, the coupler guiding and outputting the output light; and an amplifier that amplifies the output light from the coupler, and a predetermined relation holds true, where “N” is the number of the semiconductor lasers, “Ldfb” is a cavity length of each of the semiconductor lasers, “??0” is a spectral linewidth of laser light output therefrom, “Lsoa” is an amplifier length of the amplifier, “A” is an amplification factor of the amplifier, “??” is a spectral linewidth of amplified laser light output therefrom, and “R” is ??/??0.Type: ApplicationFiled: August 6, 2013Publication date: November 28, 2013Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Tatsuya Kimoto, Go Kobayashi, Toshikazu Mukaihara
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Patent number: 8548024Abstract: A semiconductor laser module includes a semiconductor laser unit and a light selecting unit. The semiconductor laser unit includes a semiconductor laser substrate and a plurality of distributed reflector semiconductor laser devices formed on the semiconductor laser substrate in an array. Each of the distributed reflector semiconductor laser devices is configured to emit a laser light of a different wavelength from an output facet. The light selecting unit includes a light selecting device substrate and a light selecting device formed on the light selecting device substrate. The light selecting device is configured to selectively output a laser light emitted from a distributed reflector semiconductor laser device. The semiconductor laser unit and the light selecting unit are attached to each other in such a manner that the light selecting device is optically coupled to the distributed reflector semiconductor laser devices.Type: GrantFiled: October 25, 2011Date of Patent: October 1, 2013Assignee: Furukawa Electric Co., Ltd.Inventors: Hideaki Hasegawa, Tatsuya Kimoto, Go Kobayashi
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Patent number: 8253332Abstract: An excimer lamp has a single tubular discharge chamber configured to enclose a discharge gas that is a noble gas or a mixing gas consisting of a noble gas and a halogen gas; a pair of electrodes configured to be arranged along opposite sides of the exterior surface of the discharge chamber; and an outer tube configured to cover the discharge chamber and the electrodes. Excimer molecules are produced by either dielectric barrier discharge or capacitive-coupled high-frequency discharge. An interior of a space formed between the outer tube and the discharge chamber is either in a vacuum state that is necessary and sufficient for preventing discharge, or is filled with an arc-suppression gas.Type: GrantFiled: September 10, 2010Date of Patent: August 28, 2012Assignee: ORC Manufacturing Co., Ltd.Inventors: Makoto Yasuda, Go Kobayashi
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Publication number: 20120207187Abstract: A semiconductor laser module includes a semiconductor laser unit and a light selecting unit. The semiconductor laser unit includes a semiconductor laser substrate and a plurality of distributed reflector semiconductor laser devices formed on the semiconductor laser substrate in an array. Each of the distributed reflector semiconductor laser devices is configured to emit a laser light of a different wavelength from an output facet. The light selecting unit includes a light selecting device substrate and a light selecting device formed on the light selecting device substrate. The light selecting device is configured to selectively output a laser light emitted from a distributed reflector semiconductor laser device. The semiconductor laser unit and the light selecting unit are attached to each other in such a manner that the light selecting device is optically coupled to the distributed reflector semiconductor laser devices.Type: ApplicationFiled: October 25, 2011Publication date: August 16, 2012Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Hideaki HASEGAWA, Tatsuya KIMOTO, Go KOBAYASHI
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Publication number: 20110305253Abstract: A semiconductor laser module includes a semiconductor laser section, a light selecting section, and an optical converting section. The semiconductor laser section includes a semiconductor laser substrate, a plurality of semiconductor laser elements mounted on the semiconductor laser substrate, and a first temperature adjusting element for adjusting temperature of the semiconductor laser elements. The light selecting section includes a light selecting element substrate and a light selecting element mounted on the light selecting element substrate and optically connected to the semiconductor laser elements, which selects laser light output from at least one of the semiconductor laser elements.Type: ApplicationFiled: June 8, 2011Publication date: December 15, 2011Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Go KOBAYASHI, Tatsuya KIMOTO, Toshio KIMURA, Takeshi AKUTSU, Kazutaka NARA
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Publication number: 20110156581Abstract: An excimer lamp has a single tubular discharge chamber configured to enclose a discharge gas that is a noble gas or a mixing gas consisting of a noble gas and a halogen gas; a pair of electrodes configured to be arranged along opposite sides of the exterior surface of the discharge chamber; and an outer tube configured to cover the discharge chamber and the electrodes. Excimer molecules are produced by either dielectric barrier discharge or capacitive-coupled high-frequency discharge. An interior of a space formed between the outer tube and the discharge chamber is either in a vacuum state that is necessary and sufficient for preventing discharge, or is filled with an arc-suppression gas.Type: ApplicationFiled: September 10, 2010Publication date: June 30, 2011Applicant: ORC MANUFACTURING CO., LTD.Inventors: Makoto YASUDA, Go KOBAYASHI