Patents by Inventor Tatsuya Kimoto
Tatsuya Kimoto 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: 8665919Abstract: A semiconductor laser module includes a semiconductor device including a semiconductor laser and a bending waveguide through which a laser light emitted from the semiconductor laser propagates, a beam splitter splitting the laser light into a first laser light and a second laser light, a plurality of detectors respectively arranged at different positions in a cross section of a light flux of the second laser light to detect the second laser light, and a waveform shaping unit provided on an optical path of the laser light. The waveform shaping unit is configured to make a relation between an output of the semiconductor laser and detection values of the detectors approach a linear relation.Type: GrantFiled: March 17, 2010Date of Patent: March 4, 2014Assignee: Furukawa Electric Co., Ltd.Inventors: Tatsuya Kimoto, Kazuaki Kiyota
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Patent number: 8661492Abstract: A communication apparatus includes a communication unit, an acquisition unit, and a control unit. The control unit controls the acquisition unit to acquire again information for generating video data to be transmitted to an external apparatus by the communication unit from an apparatus if the predetermined signal is detected, the predetermined signal indicates that a state of the apparatus is changed to a first state from a second state after the state of the apparatus is changed to the second state from the first state.Type: GrantFiled: August 11, 2010Date of Patent: February 25, 2014Assignee: Canon Kabushiki KaishaInventors: Hidetaka Koizumi, Tatsuya Kimoto, Koji Ogaki
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Patent number: 8655072Abstract: A medical image processing apparatus includes a first extraction part, an adding part, a first specifying part, and a second specifying part. The first extraction part extracts an air region from volume data after receiving volume data representing a region including an organ under observation. The adding part adds pixel values of the pixels in the air region along a predetermined projection direction to generate projection image data representing the distribution of the added value of pixel values. The first specifying part specifies a first characteristic point from the projection image data. The second specifying part specifies, as a second characteristic point, a point on a line passing a first characteristic point in an air region.Type: GrantFiled: October 6, 2011Date of Patent: February 18, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Tatsuya Kimoto
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Publication number: 20140009678Abstract: Compatible video signal information having first information indicating a pixel number of a video signal displayable by a video display apparatus and second information that is setting information required in order for the video display apparatus to display a video signal having the pixel number is transmitted to a video output apparatus. In the case where a video signal received from the video output apparatus after the compatible video signal information is transmitted is a video signal having a pixel number displayable by the video display apparatus but not being displayable, the compatible video signal information is updated so that setting information for the pixel number of that video signal is included in the second information.Type: ApplicationFiled: September 11, 2013Publication date: January 9, 2014Applicant: CANON KABUSHIKI KAISHInventor: Tatsuya Kimoto
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Patent number: 8619193Abstract: A communication apparatus includes a communication unit, a first determination unit, a second determination unit, and a control unit. The communication unit communicates with an external apparatus via communication lines that conform to HDMI standard. The first determination unit determines whether the first data indicating that the external apparatus displays video data transmitted from the communication unit to the external apparatus is detected by the communication unit has received via a CEC line. The second determination unit determines whether a second data indicating that the external apparatus displays video data transmitted from the communication unit to the external apparatus is detected by the communication via a TMDS line. The control unit determines whether to transmit video data to the external apparatus based on at least one of a determination result obtained by the first determination unit and a determination result obtained by the second determination unit.Type: GrantFiled: September 24, 2010Date of Patent: December 31, 2013Assignee: Canon Kabushiki KaishaInventors: Tatsuya Kimoto, Isao Abe
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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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Publication number: 20130293785Abstract: A communication apparatus includes a first determination unit that determines whether an external apparatus can transmit device information of the external apparatus to the communication apparatus, a device information acquisition unit that acquires the device information from the external apparatus even when the first determination unit determines that the external apparatus cannot transmit device information of the external apparatus to the communication apparatus, a second determination unit that determines whether the device information acquired from the external apparatus is correct, and a communication unit that transmits video data corresponding to the device information to the external apparatus if the second determination unit determines that the device information is correct even when the first determination unit determines that the external apparatus cannot transmit device information of the external apparatus to the communication apparatus.Type: ApplicationFiled: July 9, 2013Publication date: November 7, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Isao Abe, Tatsuya Kimoto
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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: 8544055Abstract: A communication apparatus includes a transmission unit, a command processing unit, an acquisition unit, a first determination unit, a second determination unit, and a control unit. The second determination unit determines whether a first physical address acquired from the external apparatus by the acquisition unit matches a second physical address included in a second command received by the command processing unit. The control unit controls the command processing unit to transmit the first command including the first physical address to the external apparatus if it is determined that the first physical address matches the second physical address.Type: GrantFiled: December 16, 2010Date of Patent: September 24, 2013Assignee: Canon Kabushiki KaishaInventors: Tatsuya Kimoto, Isao Abe
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Patent number: 8514330Abstract: A communication apparatus includes a first determination unit that determines whether an external apparatus can transmit device information of the external apparatus to the communication apparatus, a device information acquisition unit that acquires the device information from the external apparatus even when the first determination unit determines that the external apparatus cannot transmit device information of the external apparatus to the communication apparatus, a second determination unit that determines whether the device information acquired from the external apparatus is correct, and a communication unit that transmits video data corresponding to the device information to the external apparatus if the second determination unit determines that the device information is correct even when the first determination unit determines that the external apparatus cannot transmit device information of the external apparatus to the communication apparatus.Type: GrantFiled: December 4, 2009Date of Patent: August 20, 2013Assignee: Canon Kabushiki KaishaInventors: Isao Abe, Tatsuya Kimoto
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Patent number: 8457169Abstract: An integrated semiconductor laser element includes: semiconductor lasers that oscillate at different oscillation wavelengths from one another, each laser oscillating in a single mode; an optical coupler; and a semiconductor optical amplifier. At least one of active layers of the semiconductor lasers and an active layer of the semiconductor optical amplifier have a same thickness and a same composition that is set to have a gain peak wavelength near a center of a wavelength band formed by the oscillation wavelengths. The semiconductor optical amplifier includes: an equal width portion formed on a side of the optical coupler to guide light in a single mode; and an expanded width portion formed on a light output side. The width of the expanded width portion is set according to a total thickness of well layers of the active layer of the semiconductor optical amplifier.Type: GrantFiled: January 30, 2012Date of Patent: June 4, 2013Assignee: Furukawa Electric Co., Ltd.Inventors: Tatsuya Kimoto, Toshikazu Mukaihara
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Patent number: 8453008Abstract: A communication apparatus includes: a transmitting unit, a receiving unit and a control unit. The transmitting unit transmits video data to an external apparatus via a first transmission line. The receiving unit receives a command from the external apparatus via a second transmission line. The control unit that resets the transmitting unit without resetting the receiving unit if a communication error relating to the first transmission line is detected, and resets the receiving unit without resetting the transmitting unit if a communication error relating to the second transmission line is detected.Type: GrantFiled: August 23, 2011Date of Patent: May 28, 2013Assignee: Canon Kabushiki KaishaInventor: Tatsuya Kimoto
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Publication number: 20120263359Abstract: A medical image processing apparatus includes a first extraction part, an adding part, a first specifying part, and a second specifying part. The first extraction part extracts an air region from volume data after receiving volume data representing a region including an organ under observation. The adding part adds pixel values of the pixels in the air region along a predetermined projection direction to generate projection image data representing the distribution of the added value of pixel values. The first specifying part specifies a first characteristic point from the projection image data. The second specifying part specifies, as a second characteristic point, a point on a line passing a first characteristic point in an air region.Type: ApplicationFiled: October 6, 2011Publication date: October 18, 2012Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventor: Tatsuya Kimoto
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Publication number: 20120257105Abstract: Compatible video signal information having first information indicating a pixel number of a video signal displayable by a video display apparatus and second information that is setting information required in order for the video display apparatus to display a video signal having the pixel number is transmitted to a video output apparatus. In the case where a video signal received from the video output apparatus after the compatible video signal information is transmitted is a video signal having a pixel number displayable by the video display apparatus but not being displayable, the compatible video signal information is updated so that setting information for the pixel number of that video signal is included in the second information.Type: ApplicationFiled: March 29, 2012Publication date: October 11, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Tatsuya Kimoto
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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: 20120128375Abstract: An integrated semiconductor laser element includes: semiconductor lasers that oscillate at different oscillation wavelengths from one another, each laser oscillating in a single mode; an optical coupler; and a semiconductor optical amplifier. At least one of active layers of the semiconductor lasers and an active layer of the semiconductor optical amplifier have a same thickness and a same composition that is set to have a gain peak wavelength near a center of a wavelength band formed by the oscillation wavelengths. The semiconductor optical amplifier includes: an equal width portion formed on a side of the optical coupler to guide light in a single mode; and an expanded width portion formed on a light output side. The width of the expanded width portion is set according to a total thickness of well layers of the active layer of the semiconductor optical amplifier.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Tatsuya KIMOTO, Toshikazu Mukaihara
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Publication number: 20120099776Abstract: It is a subject to reduce the number of processing steps and shorten the processing time when specifying a branch position in a tubular structure, mainly the bronchus or blood vessel. A apparatus includes a storage unit which stores volume data concerning a 3D region of a subject as a target. A tomogram generation unit generates the data of slice images respectively corresponding to slices almost perpendicular to a predetermined reference axis from volume data files. A region extraction unit extracts regions associated with a target site from the plurality of slice images by using threshold processing. A position specifying unit specifies a position on the reference axis, wherein the number of extracted regions changes at the position.Type: ApplicationFiled: December 29, 2011Publication date: April 26, 2012Inventors: Tatsuo MAEDA, Tatsuya Kimoto
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Publication number: 20110310916Abstract: A semiconductor laser module includes a semiconductor device including a semiconductor laser and a bending waveguide through which a laser light emitted from the semiconductor laser propagates, a beam splitter splitting the laser light into a first laser light and a second laser light, a plurality of detectors respectively arranged at different positions in a cross section of a light flux of the second laser light to detect the second laser light, and a waveform shaping unit provided on an optical path of the laser light. The waveform shaping unit is configured to make a relation between an output of the semiconductor laser and detection values of the detectors approach a linear relation.Type: ApplicationFiled: March 17, 2010Publication date: December 22, 2011Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Tatsuya Kimoto, Kazuaki Kiyota
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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: 20110304775Abstract: A communication apparatus includes: a transmitting unit, a receiving unit and a control unit. The transmitting unit transmits video data to an external apparatus via a first transmission line. The receiving unit receives a command from the external apparatus via a second transmission line. The control unit that resets the transmitting unit without resetting the receiving unit if a communication error relating to the first transmission line is detected, and resets the receiving unit without resetting the transmitting unit if a communication error relating to the second transmission line is detected.Type: ApplicationFiled: August 23, 2011Publication date: December 15, 2011Applicant: CANON KABUSHIKI KAISHAInventor: Tatsuya Kimoto