Patents by Inventor Atsushi Oguri
Atsushi Oguri 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: 11511556Abstract: A printer includes a supporting table to support a recording medium, a recording head located above the supporting table to eject ink toward the supporting table, a first contact detector located above the supporting table and lower than the recording head, an oscillator to vibrate the first contact detector, and a vibration detector to detect vibration of the first contact detector and transmit a signal corresponding to the detected vibration. The printer stores a threshold related to the vibration of the first contact detector and determines that an object has come into contact with the first contact detector when an amount of the vibration detected by the vibration detector is equal to the threshold or less.Type: GrantFiled: August 3, 2021Date of Patent: November 29, 2022Assignee: ROLAND DG CORPORATIONInventors: Akihiro Suzuki, Atsushi Oguri, Teruma Otsuka
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Publication number: 20220040997Abstract: A printer includes a supporting table to support a recording medium, a recording head located above the supporting table to eject ink toward the supporting table, a first contact detector located above the supporting table and lower than the recording head, an oscillator to vibrate the first contact detector, and a vibration detector to detect vibration of the first contact detector and transmit a signal corresponding to the detected vibration. The printer stores a threshold related to the vibration of the first contact detector and determines that an object has come into contact with the first contact detector when an amount of the vibration detected by the vibration detector is equal to the threshold or less.Type: ApplicationFiled: August 3, 2021Publication date: February 10, 2022Inventors: Akihiro SUZUKI, Atsushi OGURI, Teruma OTSUKA
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Patent number: 11011885Abstract: A laser device that is easily assembled and can be manufactured at low cost and a light-source device using the same are provided. The laser device includes a base plate portion, a semiconductor laser element placed on the base plate portion, a lid portion provided on the base plate portion, on which the semiconductor laser element is placed, and including a top plate, and a side wall portion covering a part or all of lateral sides of a space between the base plate portion and the top plate. The top plate is integrally formed with a part or all of the side wall portion.Type: GrantFiled: May 24, 2019Date of Patent: May 18, 2021Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
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Patent number: 10985526Abstract: A laser device that is easily assembled and can be manufactured at a low cost and a light-source device using the same are provided. The laser device includes a mount member including a mount surface, and a semiconductor laser element placed on the mount surface of the mount member. An upper side and lateral sides of the semiconductor laser element on the mount surface are exposed.Type: GrantFiled: May 24, 2019Date of Patent: April 20, 2021Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
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Patent number: 10777965Abstract: Provided is a laser apparatus and a light source apparatus that can reduce the footprint and realize space-saving. The laser apparatus has a bottom plate; a semiconductor laser element mounted on the bottom plate; and a terminal unit that is provided so as to face upward with respect to the bottom plate and enables external electrical connection.Type: GrantFiled: January 30, 2019Date of Patent: September 15, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
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Publication number: 20190288484Abstract: A laser device that is easily assembled and can be manufactured at a low cost and a light-source device using the same are provided. The laser device includes a mount member including a mount surface, and a semiconductor laser element placed on the mount surface of the mount member. An upper side and lateral sides of the semiconductor laser element on the mount surface are exposed.Type: ApplicationFiled: May 24, 2019Publication date: September 19, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta Ishige, Etsuji Katayama, Atsushi Oguri, Hajime Mori
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Publication number: 20190280459Abstract: A laser device that is easily assembled and can be manufactured at low cost and a light-source device using the same are provided. The laser device includes a base plate portion, a semiconductor laser element placed on the base plate portion, a lid portion provided on the base plate portion, on which the semiconductor laser element is placed, and including a top plate, and a side wall portion covering a part or all of lateral sides of a space between the base plate portion and the top plate. The top plate is integrally formed with a part or all of the side wall portion.Type: ApplicationFiled: May 24, 2019Publication date: September 12, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta ISHIGE, Etsuji KATAYAMA, Atsushi OGURI, Hajime MORI
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Publication number: 20190157835Abstract: Provided is a laser apparatus and a light source apparatus that can reduce the footprint and realize space-saving. The laser apparatus has a bottom plate; a semiconductor laser element mounted on the bottom plate; and a terminal unit that is provided so as to face upward with respect to the bottom plate and enables external electrical connection.Type: ApplicationFiled: January 30, 2019Publication date: May 23, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuta ISHIGE, Etsuji Katayama, Atsushi Oguri, Hajime Mori
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Publication number: 20190020178Abstract: A laser apparatus includes light source elements outputting laser beams; a wavelength-selecting element disposed in an optical path of each of the laser beams and configured to cause light in a predetermined wavelength band to selectively transmit therethrough; and a partially transmissive-reflector that receives the light transmitted through the wavelength-selecting element, reflects a part of the input light toward the wavelength-selecting element, and causes its remainder to transmit therethrough.Type: ApplicationFiled: August 3, 2018Publication date: January 17, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Atsushi OGURI, Etsuji KATAYAMA, Yuta ISHIGE, Toshio KIMURA, Yutaka OHKI, Hajime MORI
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Patent number: 10126556Abstract: A light operation device includes: an light input and output port; an light-operating element reflecting a light input from any one of the ports of the light input and output port and outputting the reflected light to any one of the ports of the light input and output port; a condensing lens system disposed between the light input and output port and the light-operating element and optically-coupling the light input and output port with the light-operating element; an anamorphic optical system disposed between the light input and output port and the condensing lens system and expanding a beam diameter of the light input from a side of the light input and output port in a beam-diameter-expanding direction. In the condensing lens system, a first focal distance in the beam-diameter-expanding direction and a second focal distance in a direction perpendicular to the beam-diameter-expanding direction differ from each other.Type: GrantFiled: July 17, 2015Date of Patent: November 13, 2018Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Atsushi Oguri, Nobuyuki Kagi, Masaki Iwama
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Publication number: 20150355469Abstract: A light operation device includes: an light input and output port; an light-operating element reflecting a light input from any one of the ports of the light input and output port and outputting the reflected light to any one of the ports of the light input and output port; a condensing lens system disposed between the light input and output port and the light-operating element and optically-coupling the light input and output port with the light-operating element; an anamorphic optical system disposed between the light input and output port and the condensing lens system and expanding a beam diameter of the light input from a side of the light input and output port in a beam-diameter-expanding direction. In the condensing lens system, a first focal distance in the beam-diameter-expanding direction and a second focal distance in a direction perpendicular to the beam-diameter-expanding direction differ from each other.Type: ApplicationFiled: July 17, 2015Publication date: December 10, 2015Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Atsushi Oguri, Nobuyuki Kagi, Masaki Iwama
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Patent number: 9052566Abstract: An optical switch includes: an input-output port with three or more ports arranged along a direction; a modulator that includes an incident layer, a reflective layer, and a modulation layer disposed between these layers, spatially modulates light entering the incident layer from any port of the input-output port, and outputs the light spatially-modulated toward any of other ports of the input-output port; and a condensing lens that optically couples the input-output port and the modulator, wherein x2?2x1+x0 holds where: a coordinate axis is along the direction of the input-output port and an optical axis of the lens is set as an origin of the coordinate axis; x0, x1, and x2 respectively are coordinates of a first port to/from which light is input/output, and a second port and a third port from/to which light input to or output from the first port is output/input; and x1,x2>0.Type: GrantFiled: December 17, 2012Date of Patent: June 9, 2015Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Atsushi Oguri, Hiroshi Matsuura, Masayoshi Kimura
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Patent number: 8861063Abstract: An optical control apparatus includes: an optical input/output port to which light is input from outside or from which light is output outside; a spatial optical modulator that emits light having entered from the optical input/output port towards the optical input/output port and has polarization dependence; a condensing element that is disposed between the optical input/output port and the spatial optical modulator and optically couples the optical input/output port and the spatial optical modulator; and a polarization control element that is disposed between the condensing element and the spatial optical modulator, controls a polarization state of input light to cause the input light to have only a single polarization direction, and outputs the input light controlled.Type: GrantFiled: April 26, 2013Date of Patent: October 14, 2014Assignee: Furukawa Electric Co., Ltd.Inventors: Hiroshi Matsuura, Atsushi Oguri
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Publication number: 20140072302Abstract: An optical switch includes light input/output ports, each having a port group of inputting/outputting a light, an optical path manipulation unit having optical path switching units of switching an optical path of a light from an input port in the port group to an optical path toward an output port in the same port group according to each of the light input/output ports, and a condenser lens condensing light from the light input/output ports on the optical path switching units corresponding to the port groups and optically-couples the light input/output ports with the optical path manipulation unit. The input/output optical paths of the light input/output ports with respect to the condenser lens are parallel to each other between the ports in the same port group and are unparallel to each other between the ports in the different port groups as seen from a direction perpendicular to a port arrangement direction.Type: ApplicationFiled: September 4, 2013Publication date: March 13, 2014Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masaki IWAMA, Nobuyuki Kagi, Atsushi Oguri
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Publication number: 20130235444Abstract: An optical control apparatus includes: an optical input/output port to which light is input from outside or from which light is output outside; a spatial optical modulator that emits light having entered from the optical input/output port towards the optical input/output port and has polarization dependence; a condensing element that is disposed between the optical input/output port and the spatial optical modulator and optically couples the optical input/output port and the spatial optical modulator; and a polarization control element that is disposed between the condensing element and the spatial optical modulator, controls a polarization state of input light to cause the input light to have only a single polarization direction, and outputs the input light controlled.Type: ApplicationFiled: April 26, 2013Publication date: September 12, 2013Applicant: Furukawa Electric Co., Ltd.Inventors: Hiroshi MATSUURA, Atsushi Oguri
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Patent number: 8275010Abstract: The pulse light source according to the present invention comprises: a seed pulse generator 1 for outputting an input pulse 10 as a seed pulse; a pulse amplifier 2; and a dispersion compensator 3 for dispersion compensating a light pulse output from the pulse amplifier 2. Moreover, the pulse amplifier 2 comprises a normal dispersion medium (DCF 4) and an amplification medium (EDF 5) that are multistage-connected alternately, for changing the input pulse 10 to a light pulse having a linear chirp and outputting the light pulse. Furthermore, an absolute value of the dispersion of the DCF 4 becomes to be larger than the absolute value of the dispersion of the EDF 5.Type: GrantFiled: June 10, 2008Date of Patent: September 25, 2012Assignee: The Furukawa Electric Co., Ltd.Inventors: Atsushi Oguri, Shunichi Matsushita
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Publication number: 20120141065Abstract: An optical waveguide collimator includes: an optical waveguide base material which includes a light emitting face having a light emitting end face of an optical waveguide, and an adhering area face provided separated from the light emitting face; a collimator lens arranged on a light emitting end face side of the optical waveguide; and a lens holding member which holds the collimator lens and which is adhered and fixed to the adhering area face of the optical waveguide base material.Type: ApplicationFiled: February 16, 2012Publication date: June 7, 2012Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Atsushi OGURI, Hiroshi Matsuura, Katsuki Suematsu, Nobuhiro Nanri
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Patent number: 7798585Abstract: A transmission/reception element transmits an ultrasound wave to an ink liquid contained in an ink tank. At this time, a near sound field of the ultrasound wave is formed within a propagating member when it propagates the ultrasound wave transmitted from the transmission/reception element to the ink liquid. The transmission/reception element receives the ultrasound wave that is transmitted, reflected on the surface of the ink liquid, and comes back. An ink remaining amount calculating unit calculates the remaining amount of the ink liquid based on an elapsed time required from the transmission until the reception.Type: GrantFiled: December 5, 2006Date of Patent: September 21, 2010Assignee: Olympus CorporationInventor: Atsushi Oguri
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Patent number: 7769298Abstract: The present invention provides a pulse train generator comprising: a dual-frequency signal light source for generating a dual-frequency signal; a soliton shaper for soliton-shaping output light from the dual-frequency signal light source; and an adiabatic soliton compressor for performing adiabatic soliton compression on output light from the soliton shaper, and also provides a waveform shaper used in this pulse train generator, including a plurality of highly nonlinear optical transmission lines and a plurality of low-nonlinearity optical transmission lines which has a nonlinearity coefficient lower than that of the plurality of highly nonlinear optical transmission lines and which has a second-order dispersion value of which an absolute value is different from that of the plurality of highly nonlinear optical transmission lines.Type: GrantFiled: September 25, 2008Date of Patent: August 3, 2010Assignee: The Furukawa Electric Co., Ltd.Inventors: Koji Igarashi, Yoshihiro Emori, Atsushi Oguri, Shu Namiki, Osamu Aso, Masateru Tadakuma
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Patent number: 7769262Abstract: Provided is an ultra-short pulse light source having an optical pulse generator 111 for emitting short pulse light, an optical amplifier 112 for amplifying the short pulse light output from the optical pulse generator 111 and an optical compressor 120 for compressing the short pulse light. The optical compressor 120 has multi-step configuration of steps polarization beam splitters 1211,2, optical fibers 1221,2,1231,2 for compressing the incident pulse light, polarization rotating element 1241,2, for rotating the polarization direction of the incident light by 90 degrees to return the light to the optical fibers 1231,2, polarization maintaining optical fibers 1251,2 provided to the output side of the polarization beam splitters 1211,2, and a polarization maintaining optical fiber 1251 at the front step is connected to a polarization maintaining optical fiber 1252 at the rear step.Type: GrantFiled: June 9, 2008Date of Patent: August 3, 2010Assignee: The Furukawa Electric Co., Ltd.Inventors: Atsushi Oguri, Shunichi Matsushita