Patents by Inventor Tetsuro Aikawa
Tetsuro Aikawa 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: 9214024Abstract: A three-dimensional imaging unit includes a plurality of image pickup devices that image an image and a rotation drive device which rotates the image pickup devices and adjusts optical axes such that reflections of an object to be measured in a space to be measured have a predetermined amount of overlap. An association calculating unit calculates position association information of pixels when a required measurement point is mapped onto a plurality of images. A three-dimensional shape calculating unit calculates a three-dimensional shape of the object to be measured using the position association information and rotational information of the rotation drive device. A three-dimensional shape estimation calculating unit estimates, from the three-dimensional shape, a three-dimensional shape of a region of the object to be measured where the three-dimensional shape is not obtained.Type: GrantFiled: March 16, 2011Date of Patent: December 15, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tatsuya Oodake, Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Yasuhiro Yuguchi
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Patent number: 9170339Abstract: A radiation measurement apparatus 10 includes a visible image acquisition unit 11 that takes a visible image, a radiation intensity acquisition unit 12 that measures intensity distribution of radiation incoming from a direction being substantially equal to an image picking up direction of the visible image acquisition unit, and an intensity display unit 15A that displays an image acquired by overlaying the intensity distribution of radiation, which is represented by using a plurality of colors being allocated to the intensity distribution of radiation on the visible image.Type: GrantFiled: December 13, 2012Date of Patent: October 27, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yoshinori Satoh, Toru Onodera, Naoto Kume, Shunichiro Makino, Tetsuro Aikawa
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Publication number: 20150117613Abstract: A radiation measurement apparatus 10 includes a visible image acquisition unit 11 that takes a visible image, a radiation intensity acquisition unit 12 that measures intensity distribution of radiation incoming from a direction being substantially equal to an image picking up direction of the visible image acquisition unit, and an intensity display unit 15A that displays an image acquired by overlaying the intensity distribution of radiation, which is represented by using a plurality of colors being allocated to the intensity distribution of radiation on the visible image.Type: ApplicationFiled: December 13, 2012Publication date: April 30, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshinori Satoh, Toru Onodera, Naoto Kume, Shunichiro Makino, Tetsuro Aikawa
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Patent number: 9010614Abstract: According to an embodiment, a welding target position measuring device comprises: a groove wall welding part detection means for detecting a groove wall welding part based on a result of the calculation performed by a groove shape change amount calculation means; a weld bead end detection means for detecting a weld bead end based on a result of the calculation performed by a groove shape difference amount calculation means; and a welding target position selection means for obtaining a welding pass number of a subsequent pass in a welding information stored in a welding information recording means and selecting a welding target position of the subsequent pass which differs depending on welding positions based on results of the detection of the groove wall welding part and the weld bead end.Type: GrantFiled: December 14, 2012Date of Patent: April 21, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Tatsuya Ohdake, Tetsuro Aikawa, Yoshinori Satoh, Kazuo Aoyama
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Patent number: 8976242Abstract: The present invention includes a camera which takes an image of a camera or an inspection target; a device which estimates the movement of the inspection target; a device which generates a high resolution image having a higher resolution than the pixel resolution of a video image taken by the camera from the video image taken by the camera; a device which evaluates the quality of the high resolution image generated by the generation device; and a device which presents an inspector who visually inspects the inspection target with the high resolution image together with the quality evaluation result of the high resolution image. The present invention can improve the reliability of inspection by use of the high resolution image as well as can reduce the inspection time, and further can guarantee the reliability of the inspection using a high resolution image.Type: GrantFiled: October 1, 2008Date of Patent: March 10, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Tatsuya Oodake, Hiroyuki Adachi, Yasuhiro Yuguchi, Junichi Takabayashi
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Patent number: 8483444Abstract: An apparatus for inspecting and measuring an object to be measured includes: a distance measurement device having a light projector that projects a two-dimensional optical pattern onto a measurement target of the measurement object, imaging devices disposed in a stereoscopic arrangement that image the measurement object, and a driving device that rotates a posture of at least one of the imaging devices to control a parallax angle between the imaging devices; a working distance control device that controls the driving device and adjusts a position at which optical axes of the imaging devices intersect; and a distance calculation device having a correspondence position calculation device that determines a correspondence position at which the same region is imaged among images of the imaging devices, and a distance calculation devices that calculates a distance to the measurement target of the measurement object based on a calculation result of the calculation device.Type: GrantFiled: June 13, 2008Date of Patent: July 9, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Tetsuro Aikawa, Yoshinori Satoh, Tatsuya Oodake, Naruhiko Mukai, Hisashi Hozumi, Yasuhiro Yuguchi
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Publication number: 20130098971Abstract: According to an embodiment, a welding target position measuring device comprises: a groove wall welding part detection means for detecting a groove wall welding part based on a result of the calculation performed by a groove shape change amount calculation means; a weld bead end detection means for detecting a weld bead end based on a result of the calculation performed by a groove shape difference amount calculation means; and a welding target position selection means for obtaining a welding pass number of a subsequent pass in a welding information stored in a welding information recording means and selecting a welding target position of the subsequent pass which differs depending on welding positions based on results of the detection of the groove wall welding part and the weld bead end.Type: ApplicationFiled: December 14, 2012Publication date: April 25, 2013Inventors: Tatsuya OHDAKE, Tetsuro AIKAWA, Yoshinori SATOH, Kazuo AOYAMA
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Patent number: 8379081Abstract: Visibility of defects is improved for inspection of structures and the like, by generating an image having higher resolution than pixel resolution of a TV camera itself. An appearance inspection apparatus is provided with a TV camera; a camera driving device for making the TV camera scan an inspection object; an image capture device for capturing the image in the TV camera as a digital image; a camera motion measuring device for measuring scanning motion of the TV camera; a high definition image generating device, which generates a high definition image having a higher pixel resolution than that of the TV camera, based on the digital images captured by the image capture device and the TV camera scanning motion data measured by the camera motion measuring device; and a recording device which records and stores positional information of the inspection object.Type: GrantFiled: April 24, 2008Date of Patent: February 19, 2013Assignee: Kabushiki Kaisha ToshibaInventors: Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Hiroyuki Adachi
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Publication number: 20130021452Abstract: A three-dimensional imaging unit includes a plurality of image pickup devices that image an image and a rotation drive device which rotates the image pickup devices and adjusts optical axes such that reflections of an object to be measured in a space to be measured have a predetermined amount of overlap. An association calculating unit calculates position association information of pixels when a required measurement point is mapped onto a plurality of images. A three-dimensional shape calculating unit calculates a three-dimensional shape of the object to be measured using the position association information and rotational information of the rotation drive device. A three-dimensional shape estimation calculating unit estimates, from the three-dimensional shape, a three-dimensional shape of a region of the object to be measured where the three-dimensional shape is not obtained.Type: ApplicationFiled: March 16, 2011Publication date: January 24, 2013Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tatsuya Oodake, Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Yasuhiro Yuguchi
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Patent number: 8115936Abstract: A laser maintenance apparatus including a laser system which includes an optical system for emitting, in a first irradiation condition, a generation laser beam for generating an ultrasonic wave in a portion of an object on which maintenance is to be performed, and including a laser source configured to generate and detect a detection laser beam which interacts with the ultrasonic wave generated by the laser light beam in the first condition. The laser maintenance apparatus also includes a light transmitting device for transmitting laser light emitted from the laser system, a laser irradiation device for irradiating laser light transmitted by the light transmitting device to the object portion, and a transporting/scanning mechanism for transporting the light transmitting device and the laser irradiation device to a portion near the object portion, and scanning over an arbitrary range at the object portion.Type: GrantFiled: April 23, 2010Date of Patent: February 14, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Makoto Ochiai, Takahiro Miura, Hidehiko Kuroda, Fukashi Osakata, Kentaro Tsuchihashi, Masahiro Yoshida, Tetsuro Aikawa, Satoshi Okada, Toru Onodera, Akira Tsuyuki
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Publication number: 20100283847Abstract: The present invention includes a camera which takes an image of a camera or an inspection target; a device which estimates the movement of the inspection target; a device which generates a high resolution image having a higher resolution than the pixel resolution of a video image taken by the camera from the video image taken by the camera; a device which evaluates the quality of the high resolution image generated by the generation device; and a device which presents an inspector who visually inspects the inspection target with the high resolution image together with the quality evaluation result of the high resolution image. The present invention can improve the reliability of inspection by use of the high resolution image as well as can reduce the inspection time, and further can guarantee the reliability of the inspection using a high resolution image.Type: ApplicationFiled: October 1, 2008Publication date: November 11, 2010Applicant: Kabushiki Kaisha ToshibaInventors: Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Tatsuya Oodake, Hiroyuki Adachi, Yasuhiro Yuguchi, Junichi Takabayashi
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Publication number: 20100199769Abstract: A laser maintenance apparatus including a laser system which includes an optical system for emitting, in a first irradiation condition, a generation laser beam for generating an ultrasonic wave in a portion of an object on which maintenance is to be performed, and including a laser source configured to generate and detect a detection laser beam which interacts with the ultrasonic wave generated by the laser light beam in the first condition. The laser maintenance apparatus also includes a light transmitting device for transmitting laser light emitted from the laser system, a laser irradiation device for irradiating laser light transmitted by the light transmitting device to the object portion, and a transporting/scanning mechanism for transporting the light transmitting device and the laser irradiation device to a portion near the object portion, and scanning over an arbitrary range at the object portion.Type: ApplicationFiled: April 23, 2010Publication date: August 12, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto OCHIAI, Takahiro Miura, Hidehiko Kuroda, Fukashi Osakata, Kentaro Tsuchihashi, Masahiro Yoshida, Tetsuro Aikawa, Satoshi Okada, Toru Onodera, Akira Tsuyuki
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Publication number: 20100183197Abstract: An apparatus for inspecting and measuring an object to be measured includes: a distance measurement device having a light projector that projects a two-dimensional optical pattern onto a measurement target of the measurement object, imaging devices disposed in a stereoscopic arrangement that image the measurement object, and a driving device that rotates a posture of at least one of the imaging devices to control a parallax angle between the imaging devices; a working distance control device that controls the driving device and adjusts a position at which optical axes of the imaging devices intersect; and a distance calculation device having a correspondence position calculation device that determines a correspondence position at which the same region is imaged among images of the imaging devices, and a distance calculation devices that calculates a distance to the measurement target of the measurement object based on a calculation result of the calculation device.Type: ApplicationFiled: June 13, 2008Publication date: July 22, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tetsuro Aikawa, Yoshinori Satoh, Tatsuya Oodake, Naruhiko Mukai, Hisashi Hozumi, Yasuhiro Yuguchi
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Publication number: 20100129059Abstract: Visibility of defects is improved for inspection of structures and the like, by generating an image having higher resolution than pixel resolution of a TV camera itself. An appearance inspection apparatus is provided with a TV camera; a camera driving device for making the TV camera scan an inspection object; an image capture device for capturing the image in the TV camera as a digital image; a camera motion measuring device for measuring scanning motion of the TV camera; a high definition image generating device, which generates a high definition image having a higher pixel resolution than that of the TV camera, based on the digital images captured by the image capture device and the TV camera scanning motion data measured by the camera motion measuring device; and a recording device which records and stores positional information of the inspection object.Type: ApplicationFiled: April 24, 2008Publication date: May 27, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Tetsuro Aikawa, Yoshinori Satoh, Makoto Ochiai, Hiroyuki Adachi
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Publication number: 20070157730Abstract: A laser maintenance apparatus is provided with a laser system including a laser light source and an optical system and emitting a laser light, a light transmitting device for generating the laser light emitted from the laser system, and a laser irradiation device for irradiating the laser light generated by the light transmitting device to an object portion. The laser system includes an element for changing an irradiation condition of the laser light.Type: ApplicationFiled: July 6, 2006Publication date: July 12, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto Ochiai, Yoshiaki Ono, Takahiro Miura, Mitsuaki Shimamura, Masaki Yoda, Hidehiko Kuroda, Itaru Chida, Fukashi Osakata, Satoshi Yamamoto, Kentaro Tsuchihashi, Ryoichi Saeki, Masahiro Yoshida, Tetsuro Aikawa, Satoshi Okada, Toru Onodera, Akira Tsuyuki