Patents by Inventor Tomoyuki Hiroki
Tomoyuki Hiroki 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: 10727644Abstract: A laser device has a plurality of laser diodes; a plurality of optical elements installed corresponding to the plurality of the laser diodes; a plurality of units formed by fixing the laser diodes and the optical elements per each laser diode and installed corresponding to the plurality of the laser diodes; a converging element that converges laser beams emitted from the plurality of the laser diodes to a fiber; a housing element houses the plurality of the units and the converging element; and a thermal transfer plate performs heat dissipation of the plurality of the units. The heat resistance reducing element having a heat resistance value that is smaller than a predetermined value is installed between the thermal transfer plate and each unit or the processing for reducing the heat resistance is performed.Type: GrantFiled: February 6, 2015Date of Patent: July 28, 2020Assignee: SHIMADZU CORPORATIONInventors: Junki Sakamoto, Ichiro Fukushi, Akiyuki Kadoya, Kazuma Watanabe, Naoya Ishigaki, Jiro Saikawa, Shingo Uno, Tomoyuki Hiroki, Koji Tojo
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Patent number: 10511144Abstract: The present invention comprises: a light-emitting element group configured from columns of serially connected light-emitting elements, one of the ends from each of the columns of the light-emitting elements being collectively connected to a power source; current control elements, provided to correspond to the columns, and being connected to each of the columns of the light-emitting elements at the other end thereof, for controlling the current flowing through the light-emitting elements; a forward voltage monitoring circuit for monitoring, for each of the columns, the total forward voltage across the light-emitting elements; and a control circuit for controlling the current control elements, on the basis of the total forward voltage across the light-emitting elements from each of the columns detected by the forward voltage monitoring circuit, in such a manner that the variations in the total forward voltage across the columns of the light-emitting elements reach a threshold value or lower.Type: GrantFiled: March 9, 2016Date of Patent: December 17, 2019Assignee: SHIMADZU CORPORATIONInventors: Shingo Uno, Tomoyuki Hiroki, Koji Tojo, Jiro Saikawa, Naoya Ishigaki, Junki Sakamoto
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Patent number: 10476228Abstract: The present invention comprises: a light-emitting element group configured from columns of serially connected light-emitting elements, one of the ends from each of the columns of the light-emitting elements being collectively connected to a power source; current control elements, provided to correspond to the columns, and being connected to each of the columns of the light-emitting elements at the other end thereof, for controlling the current flowing through the light-emitting elements; a forward voltage monitoring circuit for monitoring, for each of the columns, the total forward voltage across the light-emitting elements; and a control circuit for controlling the current control elements, on the basis of the total forward voltage across the light-emitting elements from each of the columns detected by the forward voltage monitoring circuit, in such a manner that the variations in the total forward voltage across the columns of the light-emitting elements reach a threshold value or lower.Type: GrantFiled: March 9, 2016Date of Patent: November 12, 2019Assignee: SHIMADZU CORPORATIONInventors: Shingo Uno, Tomoyuki Hiroki, Koji Tojo, Jiro Saikawa, Naoya Ishigaki, Junki Sakamoto
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Patent number: 10355447Abstract: A laser device suppresses the variation of each time-lag so that a distortion of a combined laser output is suppressed. The laser device includes electric current control elements Q1, Q2 connected in series to a laser diode unit corresponding to respective laser diode units LD1, LD2, an electric current control circuit 11 that controls an electric current flow in the laser diode unit by adding a voltage to a control terminal of the electric current control element to turn on the electric current control element, and voltage adjustment circuits 12a, 12b corresponding to the laser diode unit adjusts, individually, every laser diode unit and the voltage that is added to the control terminal of the electric current control element when the laser diode is off.Type: GrantFiled: May 16, 2018Date of Patent: July 16, 2019Assignee: SHIMADZU CORPORATIONInventors: Shingo Uno, Tomoyuki Hiroki, Kazuma Watanabe
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Publication number: 20190097395Abstract: The present invention comprises: a light-emitting element group configured from columns of serially connected light-emitting elements, one of the ends from each of the columns of the light-emitting elements being collectively connected to a power source; current control elements, provided to correspond to the columns, and being connected to each of the columns of the light-emitting elements at the other end thereof, for controlling the current flowing through the light-emitting elements; a forward voltage monitoring circuit for monitoring, for each of the columns, the total forward voltage across the light-emitting elements; and a control circuit for controlling the current control elements, on the basis of the total forward voltage across the light-emitting elements from each of the columns detected by the forward voltage monitoring circuit, in such a manner that the variations in the total forward voltage across the columns of the light-emitting elements reach a threshold value or lower.Type: ApplicationFiled: March 9, 2016Publication date: March 28, 2019Applicant: SHIMADZU CORPORATIONInventors: Shingo UNO, Tomoyuki HIROKI, Koji TOJO, Jiro SAIKAWA, Naoya ISHIGAKI, Junki SAKAMOTO
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Publication number: 20180342852Abstract: A laser device suppresses the variation of each time-lag so that a distortion of a combined laser output is suppressed. The laser device includes electric current control elements Q1, Q2 connected in series to a laser diode unit corresponding to respective laser diode units LD1, LD2, an electric current control circuit 11 that controls an electric current flow in the laser diode unit by adding a voltage to a control terminal of the electric current control element to turn on the electric current control element, and voltage adjustment circuits 12a, 12b corresponding to the laser diode unit adjusts, individually, every laser diode unit and the voltage that is added to the control terminal of the electric current control element when the laser diode is off.Type: ApplicationFiled: May 16, 2018Publication date: November 29, 2018Applicant: SHIMADZU CORPORATIONInventors: Shingo UNO, Tomoyuki HIROKI, Kazuma WATANABE
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Patent number: 10137526Abstract: A laser machining device machines a machining target subject by irradiating the converged laser beam output from each laser diode of a plurality of laser diodes connected in series to each other. A machining laser beam output-power driving circuit Q1 outputs a machining laser beam by driving the plurality of laser diodes 11a-11 d, 13. A guide light output-power driving circuit Q2 outputs a guide light by driving a partial laser diode 13 of the plurality of laser diodes. A selection means SW1, SW2 selects the guide light output-power driving circuit on determining the position and selects the machining laser output-power driving circuit on a laser machining. A setup value comparison circuit 16 controls the electric current flowing through the part of laser diodes to be below the electric current setup value to output the guide light having electric current not higher than the predetermined value.Type: GrantFiled: March 11, 2014Date of Patent: November 27, 2018Assignee: SHIMADZU CORPORATIONInventors: Junki Sakamoto, Ichiro Fukushi, Aklyuki Kadoya, Kazuma Watanabe, Jiro Saikawa, Naoya Ishigaki, Shingo Uno, Tomoyuki Hiroki, Koji Tojo
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Publication number: 20180013263Abstract: A laser device has a plurality of laser diodes; a plurality of optical elements installed corresponding to the plurality of the laser diodes; a plurality of units formed by fixing the laser diodes and the optical elements per each laser diode and installed corresponding to the plurality of the laser diodes; a converging element that converges laser beams emitted from the plurality of the laser diodes to a fiber; a housing element houses the plurality of the units and the converging element; and a thermal transfer plate performs heat dissipation of the plurality of the units. The heat resistance reducing element having a heat resistance value that is smaller than a predetermined value is installed between the thermal transfer plate and each unit or the processing for reducing the heat resistance is performed.Type: ApplicationFiled: February 6, 2015Publication date: January 11, 2018Applicant: SHIMADZU CORPORATIONInventors: JUNKI SAKAMOTO, Ichiro FUKUSHI, Akiyuki KADOYA, Kazuma WATANABE, Naoya ISHIGAKI, Jiro SAIKAWA, Shingo UNO, Tomoyuki HIROKI, Koji TOJO
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Patent number: 9746615Abstract: The light-synthesizing laser device includes a plurality of collimating lenses that are arranged in a one-to-one relationship with a plurality of laser light sources which exhibit anisotropy in a laser light emission angle, and that convert laser light beams emitted from the laser light sources into parallel light; a condensing lens that condenses the laser light that has been converted into parallel light by the plurality of collimating lenses; and an optical fiber (5) having a square waveguide core (SC) which has a square shape, the fiber receiving and synthesizing the laser light condensed by the condensing lens. A longitudinal axis of a condensed beam condensed by the condensing lens is aligned with a diagonal axis of the square waveguide core.Type: GrantFiled: June 17, 2014Date of Patent: August 29, 2017Assignee: SHIMADZU CORPORATIONInventors: Jiro Saikawa, Naoya Ishigaki, Shingo Uno, Tomoyuki Hiroki, Ichiro Fukushi, Akiyuki Kadoya, Junki Sakamoto, Koji Tojo, Kazuma Watanabe
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Patent number: 9647422Abstract: A laser device has a plurality of semiconductor lasers, a driving device that supplies a driving electric current to the semiconductor laser, a trigger generation circuit that sends a trigger signal to the driving device in order to output the driving electric current, and a wave-combining device that wave-combines laser light emitted from the semiconductor lasers at the combined-wave end, and at least any one of a signal transmitting time, an electric current transmitting time and a light transmitting time is adjusted so as to be the time set respectively for transmitting paths; wherein the signal transmitting time in which the trigger signal transmits over the signal path, the electric current transmitting time in which the laser light transmits over the electric current path, a light transmitting time in which the laser light transmits over the optical path.Type: GrantFiled: March 26, 2014Date of Patent: May 9, 2017Assignee: SHIMADZU CORPORATIONInventors: Tomoyuki Hiroki, Koji Tojo, Kazuma Watanabe, Ichiro Fukushi, Akiyuki Kadoya, Junki Sakamoto, Jiro Saikawa, Naoya Ishigaki, Shingo Uno
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Publication number: 20170110849Abstract: A laser device has a plurality of semiconductor lasers, a driving device that supplies a driving electric current to the semiconductor laser, a trigger generation circuit that sends a trigger signal to the driving device in order to output the driving electric current, and a wave-combining device that wave-combines laser light emitted from the semiconductor lasers at the combined-wave end, and at least any one of a signal transmitting time, an electric current transmitting time and a light transmitting time is adjusted so as to be the time set respectively for transmitting paths; wherein the signal transmitting time in which the trigger signal transmits over the signal path, the electric current transmitting time in which the laser light transmits over the electric current path, a light transmitting time in which the laser light transmits over the optical path.Type: ApplicationFiled: March 26, 2014Publication date: April 20, 2017Applicant: SHIMADZU CORPORATIONInventors: Tomoyuki HIROKI, Koji TOJO, Kazuma WATANABE, Ichiro FUKUSHI, Akiyuki KADOYA, Junki SAKAMOTO, Jiro SAIKAWA, Naoya ISHIGAKI, Shingo UNO
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Publication number: 20170082805Abstract: The light-synthesizing laser device includes a plurality of collimating lenses that are arranged in a one-to-one relationship with a plurality of laser light sources which exhibit anisotropy in a laser light emission angle, and that convert laser light beams emitted from the laser light sources into parallel light; a condensing lens that condenses the laser light that has been converted into parallel light by the plurality of collimating lenses; and an optical fiber (5) having a square waveguide core (SC) which has a square shape, the fiber receiving and synthesizing the laser light condensed by the condensing lens. A longitudinal axis of a condensed beam condensed by the condensing lens is aligned with a diagonal axis of the square waveguide core.Type: ApplicationFiled: June 17, 2014Publication date: March 23, 2017Applicant: SHIMADZU CORPORATIONInventors: JIRO SAIKAWA, Naoya ISHIGAKI, Shingo UNO, Tomoyuki HIROKI, Ichiro FUKUSHI, Akiyuki KADOYA, Junki SAKAMOTO, Koji TOJO, Kazuma WATANABE
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Publication number: 20170021449Abstract: A laser machining device machines a machining target subject by irradiating the converged laser beam output from each laser diode of a plurality of laser diodes connected in series to each other. A machining laser beam output-power driving circuit Q1 outputs a machining laser beam by driving the plurality of laser diodes 11a-11 d, 13. A guide light output-power driving circuit Q2 outputs a guide light by driving a partial laser diode 13 of the plurality of laser diodes. A selection means SW1, SW2 selects the guide light output-power driving circuit on determining the position and selects the machining laser output-power driving circuit on a laser machining. A setup value comparison circuit 16 controls the electric current flowing through the part of laser diodes to be below the electric current setup value to output the guide light having electric current not higher than the predetermined value.Type: ApplicationFiled: March 11, 2014Publication date: January 26, 2017Applicant: SHIMADZU CORPORATIONInventors: JUNKI SAKAMOTO, Ichiro FUKUSHI, Aklyuki KADOYA, Kazuma WATANABE, Jiro SAIKAWA, Naoya ISHIGAKI, Shingo UNO, Tomoyuki HIROKI, Koji TOJO
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Patent number: 9219253Abstract: A method for manufacturing an organic EL display device is provided in which an organic compound layer is formed by vapor deposition after a layer used for patterning the organic compound layer has been formed, so that the organic compound layer is formed without being affected by the surface tension of the sides of the layer for the patterning.Type: GrantFiled: April 23, 2012Date of Patent: December 22, 2015Assignee: Canon Kabushiki KaishaInventors: Nozomu Izumi, Kenji Ookubo, Tomoyuki Hiroki, Nobuhiko Sato
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Patent number: 9155160Abstract: Provided is a method of manufacturing an organic electroluminescence display device including an organic electroluminescence element, which has element characteristics comparable to those in the case of a vacuum in-situ process, while utilizing a patterning approach based on photolithography. The method of manufacturing an organic electroluminescence display device includes: an organic compound layer-forming step of forming an organic compound layer at least on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a release layer-processing step of processing the release layer; and an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the release layer-processing step, and at least the lowermost layer out of the release layer is a deposited film formed of a material soluble in a polar solvent.Type: GrantFiled: April 11, 2012Date of Patent: October 6, 2015Assignee: Canon Kabushiki KaishaInventors: Taro Endo, Nobuhiko Sato, Itaru Takaya, Tomoyuki Hiroki, Koichi Ishige, Satoru Shiobara, Jun Kamatani, Yosuke Nishide
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Patent number: 9054315Abstract: A method for manufacturing a light-emitting device includes a step of forming an etching resistant protection layer on a substrate provided with an organic planarizing layer, a step of forming a plurality of electrodes on the etching resistant protection layer, a step of forming an organic compound layer on the substrate provided with the plurality of electrodes, a step of forming a resist layer on the organic compound layer formed on parts of electrodes among the plurality of electrodes using a photolithographic method, and a step of removing the organic compound layer in a region not covered with the resist layer by dry etching, wherein an entire surface of the organic planarizing layer on the substrate on which steps up to the step of forming the plurality of electrodes have been performed is covered with at least one of the etching resistant protection layer and the electrode.Type: GrantFiled: September 14, 2012Date of Patent: June 9, 2015Assignee: Canon Kabushiki KaishaInventors: Manabu Otsuka, Tomoyuki Hiroki
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Patent number: 9006019Abstract: A method for manufacturing a light-emitting device includes a step of forming an etching resistant protection layer on a substrate provided with an organic planarizing layer, a step of forming a plurality of electrodes on the etching resistant protection layer, a step of forming an organic compound layer on the substrate provided with the plurality of electrodes, a step of forming a resist layer on the organic compound layer formed on parts of electrodes among the plurality of electrodes using a photolithographic method, and a step of removing the organic compound layer in a region not covered with the resist layer by dry etching, wherein an entire surface of the organic planarizing layer on the substrate on which steps up to the step of forming the plurality of electrodes have been performed is covered with at least one of the etching resistant protection layer and the electrode.Type: GrantFiled: September 14, 2012Date of Patent: April 14, 2015Assignee: Canon Kabushiki KaishaInventors: Manabu Otsuka, Tomoyuki Hiroki
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Patent number: 8877532Abstract: A method of manufacturing an organic electroluminescence display device includes an organic compound layer which is placed between a pair of electrodes and includes at least an emission layer, the organic compound layer being two-dimensionally arranged, includes forming the organic compound layer which is insoluble in water in an entire emission region on a substrate, providing a mask layer containing a water-soluble material in at least a part of a region on the organic compound layer, removing a part of the organic compound layer which is provided in a region which is other than the region in which the mask layer is provided, removing the mask layer, and forming, after the removing of the mask layer, a layer containing at least an alkali metal or an alkaline-earth metal in a region including at least the emission region.Type: GrantFiled: March 15, 2012Date of Patent: November 4, 2014Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Hiroki, Taro Endo, Itaru Takaya, Koichi Ishige, Nobuhiko Sato
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Patent number: 8778727Abstract: Provided is a method of manufacturing an organic electroluminescence display device including: an organic compound layer-forming step of forming an organic compound layer on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a first processing step for the release layer of patterning the release layer; an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the first processing step for the release layer; and a second processing step for the release layer of removing a part of the release layer, in which the release layer is a deposited film formed of a charge-transportable organic compound and is dissolved by a solvent containing an organic solvent miscible with water.Type: GrantFiled: April 9, 2012Date of Patent: July 15, 2014Assignee: Canon Kabushiki KaishaInventors: Satoru Shiobara, Jun Kamatani, Yosuke Nishide, Taro Endo, Tomoyuki Hiroki, Nobuhiko Sato
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Publication number: 20140004642Abstract: Provided is a manufacturing method for an organic electroluminescence device having high precision and high emission characteristics without degrading characteristics of an organic compound layer during lift-off, the manufacturing method including the steps of: forming a first organic compound layer; forming an intermediate layer; processing a first organic compound layer; forming a second organic compound layer; covering the second organic compound layer with an eluted constituent material for the intermediate layer by bringing the intermediate layer into contact with a solution for dissolving the intermediate layer; removing the intermediate layer; and forming a second electrode.Type: ApplicationFiled: June 24, 2013Publication date: January 2, 2014Inventors: Manabu Otsuka, Tomoyuki Hiroki, Nobuhiko Sato