Patents by Inventor Takehide Fujimoto

Takehide Fujimoto 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).

  • Publication number: 20220386849
    Abstract: An endoscope apparatus capable of transmitting an endoscope image as an optical signal includes: an electronic component that includes a reception circuit configured to receive an electric signal outputted from an image pickup device and supply the electric signal to a conversion device; a printed board provided with the electronic component; a shielding member that covers at least the reception circuit; a first path via a ground connection line that is provided for the electronic component, and electrically connects the shielding member to a ground; and a second path via a conductive portion that electrically connects the shielding member to the ground, wherein an impedance of the second path is lower than an impedance of the first path.
    Type: Application
    Filed: August 1, 2022
    Publication date: December 8, 2022
    Applicant: OLYMPUS CORPORATION
    Inventors: Takehide FUJIMOTO, Makoto TSUNAKAWA, Keisuke TSUTSUI, Nanako UBAYAMA
  • Patent number: 10463230
    Abstract: An endoscope power supply system includes an endoscope including an imaging unit that images an object, a housing apparatus to which the endoscope is detachably connected, a plurality of power source units that are provided in the housing apparatus and configured to output electric power different from one another, switches each provided in an output stage of each of the power source units of the housing apparatus and formed of two FETs that are back-to-back connected, and a controller that is provided in the housing apparatus, selects a power source unit necessary to operate the endoscope from the power source units, and controls the switches to output electric power generated by the selected power source unit to the endoscope.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: November 5, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Takehide Fujimoto, Nanako Ubayama, Hitoshi Komine, Yutaka Fujisawa, Hideki Kato, Sadaaki Tomura
  • Publication number: 20190102881
    Abstract: An endoscope apparatus includes: a first discrimination section configured to be connectable to a first endoscope including a communication circuit and capable of transmitting image pickup device type information, and a second endoscope including a resistance configured by a resistance value for enabling identification of a mounted image pickup device and corresponding to the image pickup device, and configured to acquire information for identifying a type of an image pickup device from a connected endoscope to determine a type of the connected endoscope; and an image pickup communication reception section configured to receive the image pickup device type information from the communication circuit when it is determined in the first discrimination section that the first endoscope is connected.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 4, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Takehide FUJIMOTO, Nanako UBAYAMA, Hitoshi KOMINE
  • Publication number: 20190082941
    Abstract: A camera control unit for an endoscope includes a power supply, an identifying portion, a control portion, and a switch. The power supply generates a required voltage for each of the plurality of various endoscopes expected to be connected to the camera control unit. The identifying portion identifies the required voltage of one of the various endoscope connected to the camera control unit. The control portion controls the power supply in such a manner that power having the required voltage is generated according to an identification result of the identifying portion. The switch is disposed on a power supply path connected to the power supply. The switch is set to alternate between conduction and/or blocking of the power supply path.
    Type: Application
    Filed: November 15, 2018
    Publication date: March 21, 2019
    Applicant: Olympus Corporation
    Inventors: Nanako Ubayama, Takehide Fujimoto, Hitoshi Komine
  • Publication number: 20180008124
    Abstract: An endoscope power supply system includes an endoscope including an imaging unit that images an object, a housing apparatus to which the endoscope is detachably connected, a plurality of power source units that are provided in the housing apparatus and configured to output electric power different from one another, switches each provided in an output stage of each of the power source units of the housing apparatus and formed of two FETs that are back-to-back connected, and a controller that is provided in the housing apparatus, selects a power source unit necessary to operate the endoscope from the power source units, and controls the switches to output electric power generated by the selected power source unit to the endoscope
    Type: Application
    Filed: September 22, 2017
    Publication date: January 11, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Takehide FUJIMOTO, Nanako UBAYAMA, Hitoshi KOMINE, Yutaka FUJISAWA, Hideki KATO, Sadaaki TOMURA
  • Patent number: 9661284
    Abstract: A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: May 23, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Kyosuke Mizuno, Hitoshi Komine, Yutaka Fujisawa, Takehide Fujimoto, Hideki Kato, Sadaaki Tomura, Nanako Ubayama
  • Patent number: 9621814
    Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: April 11, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Takehide Fujimoto, Kiyotaka Kanno, Yutaka Fujisawa, Kotaro Ogasawara
  • Publication number: 20160330415
    Abstract: A solid-state imaging apparatus includes an imaging unit that images a subject to generate a plurality of pieces of image data having information corresponding to different types of color components at same pixel positions, an operation mode setting unit that sets an operation mode of the imaging unit, a thinning rate setting unit that sets a thinning rate relative to each of the plurality of pieces of image data of the different types of color components in accordance with the operation mode, a thinning processor that performs thinning processing relative to each of the plurality of pieces of image data of the different types of color components generated by the imaging unit in accordance with the thinning rate, and a transmission unit that transmits the plurality of pieces of image data of different types of color components subjected to the thinning processing.
    Type: Application
    Filed: July 18, 2016
    Publication date: November 10, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Kyosuke MIZUNO, Hitoshi KOMINE, Yutaka FUJISAWA, Takehide FUJIMOTO, Hideki KATO, Sadaaki TOMURA, Nanako UBAYAMA
  • Patent number: 9444994
    Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 13, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Kotaro Ogasawara, Yutaka Fujisawa, Takehide Fujimoto, Kiyotaka Kanno
  • Publication number: 20160198076
    Abstract: There is provided an image pickup system for endoscope including: a light source; an image forming optical system; a focus lens driving section; an image pickup section outputting an image signal; an image signal amplifying section; an image brightness detecting section; a brightness adjusting section adjusting a brightness control condition such as a light quantity of the light source, an image pickup condition of the image pickup section and an amplification factor of the amplifying section so that brightness of an image becomes a predetermined brightness; an auxiliary AF section estimating a temporary focus position based on the brightness control condition; a control section setting a small scanning range including the temporary focus position; and a contrast AF section causing contrast AF to be performed in the scanning range.
    Type: Application
    Filed: March 14, 2016
    Publication date: July 7, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Takehide FUJIMOTO, Kiyotaka KANNO, Yutaka FUJISAWA, Kotaro OGASAWARA
  • Publication number: 20160156835
    Abstract: An image pickup apparatus is provided with: an objective optical system; an image pickup device; a contrast AF section adjusting a focus so that a peak value of a contrast evaluation value of an image is taken; an amount-of-motion detecting section detecting, from a plurality of time-series images, amounts of motion of the subject; and a control section controlling the contrast AF section so as to calculate another contrast evaluation value in a region where a region to be excluded where an amount of motion is equal to or larger than a threshold is excluded from a calculation target region, and the contrast AF section corrects the other contrast evaluation value based on an area of the calculation target region and an area of the region where the region to be excluded is excluded from the calculation target region.
    Type: Application
    Filed: February 2, 2016
    Publication date: June 2, 2016
    Applicant: OLYMPUS CORPORATION
    Inventors: Kotaro OGASAWARA, Yutaka FUJISAWA, Takehide FUJIMOTO, Kiyotaka KANNO
  • Patent number: 8934004
    Abstract: An endoscope system includes an endoscope including a CCD for generating an image pickup signal, and a processor including a video processing circuit. The processor includes: a VCXO that generates a reference clock signal; a PLL circuit that synchronizes a phase of the image pickup signal to be inputted and a phase of the reference clock signal; a synchronization detection circuit that detects whether the phase of the image pickup signal synchronizes with the phase of the reference clock signal; and a multiplexer that controls the video processing circuit, on the basis of the detection result by the synchronization detection circuit, to cause the video processing circuit to output a predetermined video when a non-phase-synchronized state is detected, and to cause the video processing circuit to output a video signal obtained by processing the image pickup signal by the video processing circuit when a phase-synchronized state is detected.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: January 13, 2015
    Assignee: Olympus Medical Systems Corp.
    Inventors: Hitoshi Komine, Takehide Fujimoto
  • Patent number: 8449453
    Abstract: An endoscopic image processing apparatus includes an endoscope information reading section that reads endoscope information that is information relating to an endoscope from the endoscope, a synchronizing signal detecting section that is given an image pickup signal that includes a synchronizing signal outputted by an image pickup device provided in the endoscope from the endoscope, performs detection processing of the synchronizing signal, outputs the detected synchronizing signal when the synchronizing signal can be detected, and generates and outputs a synchronizing signal based on the endoscope information read by the endoscope information reading section when the synchronizing signal cannot be detected, and an image signal generating section that generates an image signal based on the synchronizing signal outputted from the synchronizing signal detecting section and the image pickup signal outputted from the image pickup device of the endoscope.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: May 28, 2013
    Assignee: Olympus Medical Systems Corp.
    Inventors: Takehide Fujimoto, Kiyotaka Kanno, Tatsuhiko Suzuki, Hidekazu Shinano
  • Publication number: 20120178992
    Abstract: An endoscopic image processing apparatus includes an endoscope information reading section that reads endoscope information that is information relating to an endoscope from the endoscope, a synchronizing signal detecting section that is given an image pickup signal that includes a synchronizing signal outputted by an image pickup device provided in the endoscope from the endoscope, performs detection processing of the synchronizing signal, outputs the detected synchronizing signal when the synchronizing signal can be detected, and generates and outputs a synchronizing signal based on the endoscope information read by the endoscope information reading section when the synchronizing signal cannot be detected, and an image signal generating section that generates an image signal based on the synchronizing signal outputted from the synchronizing signal detecting section and the image pickup signal outputted from the image pickup device of the endoscope.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 12, 2012
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventors: Takehide FUJIMOTO, Kiyotaka KANNO, Tatsuhiko SUZUKI, Hidekazu SHINANO
  • Publication number: 20040186880
    Abstract: A management system of the present invention is composed of: a requester terminal (110) for issuing a request signal for data processing to the management apparatus (100) so as to acquire file information from another terminal apparatus; a request reception terminal (120) for holding the file information; and a management apparatus (100) for managing the file information to be exchanged between the requester terminal (110) and the request reception terminal (120), all of which being mutually connected via a network bus (130).
    Type: Application
    Filed: October 16, 2003
    Publication date: September 23, 2004
    Inventors: Yoshiki Yamamoto, Takehide Fujimoto