Patents by Inventor Kenji Taira
Kenji Taira 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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Publication number: 20180198195Abstract: An antenna device includes an antenna base including a plurality of first fitting parts, the plurality of first fitting parts being arranged with mutual spaces therebetween in a periphery edge part of the antenna base, an antenna case fixed to the antenna base, an antenna part arranged in a space enclosed by the antenna base and the antenna case, and a cover member including a plurality of a second fitting parts, each of the plurality of the second fitting parts fitting with each of the plurality of the first fitting parts.Type: ApplicationFiled: January 5, 2018Publication date: July 12, 2018Inventor: Kenji TAIRA
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Publication number: 20180120107Abstract: Image matching on a pair of image data about images which are shot at different shooting positions is performed, and a point corresponding to the coordinates of a distance measurement point on the image shown by one image data of the pair is searched through the image shown by the other image data of the pair. The value of a parameter showing the attitude of an airplane (2) is corrected in such a way that the difference between the coordinates of the distance measurement point on the image shown by the other image data of the pair and the coordinates of the corresponding point which is searched for via the image matching becomes small, to estimate the attitude of the airplane (2).Type: ApplicationFiled: September 9, 2015Publication date: May 3, 2018Applicant: Mitsubishi Electric CorporationInventors: Hideaki MAEHARA, Momoyo NAGASE, Kenji TAIRA, Sumio KATO
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Patent number: 9775497Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a CCD picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the CCD; and an observation monitor performing image display on the basis of the first image signal.Type: GrantFiled: November 21, 2014Date of Patent: October 3, 2017Assignee: OLYMPUS CORPORATIONInventors: Makoto Igarashi, Tetsuo Nonami, Kenji Taira
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Publication number: 20170237156Abstract: A roof-mount antenna mounting structure, that can be reliably electrically connected and fixed to a vehicle roof and easily removed, includes an antenna base, first and second threaded portions, a leg washer, a leg-receiving portion, and a protruding portion. The leg washer has a washer ring having a hole through which the first threaded portion penetrates and a plurality of leg portions extending from the washer ring and each having a claw that can abut against the roof. The leg-receiving portion is detachably provided around the first threaded portion and has an abutment edge portion. The protruding portion has, at the inside of the leg portions, an inclined surface obliquely abutting against the abutment edge portion when the first and second threaded portions are fastened with each other to apply a pressing force to spread the leg portions outward with respect to the axis of the first threaded portion.Type: ApplicationFiled: August 11, 2015Publication date: August 17, 2017Inventor: Kenji TAIRA
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Patent number: 9595752Abstract: A perpendicular substrate antenna 7 is fixed vertically on an upper surface of a baseplate 3. An antenna pattern 18 is formed on the surface of the perpendicular substrate antenna 7 and a coil is 13 mounted. A plate shaped antenna 8 is attached to an upper edge of the perpendicular substrate antenna 7. The plate shaped antenna 8 includes a structure in which a pair of flat parts 81, 82 are connected via clip parts 83˜86 and contact arms 93, 84, 62, 64 which contact the surface of the perpendicular substrate antenna 7 and latching arms 96, 97, 61, 62 which pass through perpendicular substrate antenna 7 and contact the opposite side surface each protrude from a lower edge of each flat part 81, 82.Type: GrantFiled: October 31, 2013Date of Patent: March 14, 2017Assignee: HARADA INDUSTRY CO., LTD.Inventors: Masahiro Kaneko, Kenji Taira, Akiyoshi Kodaka
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Publication number: 20150335247Abstract: Provided is an optical imaging system which visualizes a deep portion of a scattering body. The optical imaging system generates an image of an object to be inspected by removing a signal resulting from light reflected and scattered once by a surface of the object to be inspected from the signal obtained by means of an optical system analogous to Optical Coherence Tomography, thereby extracting a signal resulting from multiply scattered light.Type: ApplicationFiled: September 7, 2011Publication date: November 26, 2015Applicant: OLYMPUS CORPORATIONInventor: Kenji TAIRA
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Patent number: 9055866Abstract: There is provided an inside observation apparatus of an endoscope and the like which can perform an inside observation for irradiating an illumination light to a minute area of a surface of an object (for example, a living tissue) having a light scattering property and detecting a back-scattered light of the illumination light, can increase a detected light amount by a simply and low cost configuration by making an area of a detection region larger than an illumination region, and can reduce a time necessary to detect an body (for example, a blood vessel) to be observed and detect a region deeper than a conventional region.Type: GrantFiled: December 27, 2010Date of Patent: June 16, 2015Assignee: OLYMPUS CORPORATIONInventors: Toshiharu Narita, Ken Fujinuma, Ryosuke Ito, Kenji Taira, Hideyuki Takaoka, Shinichi Takimoto, Hiroyuki Nishida, Hiroya Fukuyama
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Patent number: 9046488Abstract: Provided is a nonlinear optical device capable of alleviating, without the need for a complicated compensation mechanism, temporal broadening and the waveform distortion resulting from a group-velocity dispersion slope, to thereby irradiate an object with short optical pulses having high peak power. The nonlinear optical device includes a short optical pulse source (10) for generating short optical pulses and a short optical pulse delivery system (20) for delivering the short optical pulses generated from the short optical pulse source to an object, in which there is generated substantially no nonlinear optical effect and there is substantially no amount of group-velocity dispersion, the short optical pulse source generates short optical pulses, and the short optical pulses have a spectral width (full width at half maximum) ?FWHM satisfying ?1<?FWHM<?2.Type: GrantFiled: March 14, 2012Date of Patent: June 2, 2015Assignee: OLYMPUS CORPORATIONInventors: Masato Fujiwara, Kenji Taira
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Publication number: 20150105616Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a CCD picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the CCD; and an observation monitor performing image display on the basis of the first image signal.Type: ApplicationFiled: November 21, 2014Publication date: April 16, 2015Applicants: OLYMPUS CORPORATION, OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Makoto Igarashi, Tetsuo Nonami, Kenji Taira
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Patent number: 8939901Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a CCD picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the CCD; and an observation monitor performing image display on the basis of the first image signal.Type: GrantFiled: June 4, 2013Date of Patent: January 27, 2015Assignees: Olympus Medical Systems Corp., Olympus CorporationInventors: Makoto Igarashi, Tetsuo Nonami, Kenji Taira
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Patent number: 8912508Abstract: A multiphoton-excited measuring device measuring a sample with the use of a multiphoton absorption phenomenon by optical pulses having high intensity, comprising a short pulse light source 2 emitting optical pulses; an irradiation optical system 17, 18, 19 irradiating a sample 20 with optical pulses emitted from the short pulse light source 2; a detector 24 detecting signal light generated, in association with multiphoton excitation, from the sample 20 by the irradiation with optical pulses; and an optical pulse compression means 4, 13 compressing a pulse width, with the use of intensity-dependent nonlinear effects of the optical fiber 4, so that a pulse width of optical pulses with which the sample 20 is to be irradiated is shorten to equal to or narrower than that of optical pulses emitted from the short pulse light source 2 and so that a spectral width of optical pulses with which the sample 20 is to be irradiated is wider than that of optical pulses emitted from the short pulse light source 2, which makesType: GrantFiled: March 24, 2009Date of Patent: December 16, 2014Assignee: Olympus CorporationInventors: Hiroyoshi Yajima, Kenji Taira
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Patent number: 8861073Abstract: The optical fiber delivery system for delivering optical short pulses includes: a chirped pulse source (10) for emitting an up-chirped optical short pulse having high peak power; optical waveguide unit (20) for delivering the optical short pulse emitted from the chirped pulse source (10); negative group-velocity dispersion generation unit (30) for providing negative group-velocity dispersion to the optical short pulse exited from the optical waveguide unit (20); and an optical fiber (40) for delivering the optical short pulse exited from the negative group-velocity dispersion generation unit (30), along a desired distance, in which the optical short pulse emitted from the chirped pulse source (10) is adapted to be exited, from the optical fiber (40), as a down-chirped optical short pulse that is substantially free of waveform distortion resulting from higher-order dispersion.Type: GrantFiled: November 30, 2011Date of Patent: October 14, 2014Assignee: Olympus CorporationInventors: Masato Fujiwara, Kenji Taira
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Publication number: 20140125531Abstract: A perpendicular substrate antenna 7 is fixed vertically on an upper surface of a baseplate 3. An antenna pattern 18 is formed on the surface of the perpendicular substrate antenna 7 and a coil is 13 mounted. A plate shaped antenna 8 is attached to an upper edge of the perpendicular substrate antenna 7. The plate shaped antenna 8 includes a structure in which a pair of flat parts 81, 82 are connected via clip parts 83˜86 and contact arms 93, 84, 62, 64 which contact the surface of the perpendicular substrate antenna 7 and latching arms 96, 97, 61, 62 which pass through perpendicular substrate antenna 7 and contact the opposite side surface each protrude from a lower edge of each flat part 81, 82.Type: ApplicationFiled: October 31, 2013Publication date: May 8, 2014Applicant: HARADA INDUSTRY CO., LTD.Inventors: Masahiro Kaneko, Kenji Taira, Akiyoshi Kodaka
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Publication number: 20140018685Abstract: An optical inspection device 1, comprising a light generation means 2, a light irradiation means 3 irradiating an object to be inspected 4 with light generated from the light generation means 2 and a photodetection means 6 photoelectrically converting signal light obtained from the object to be inspected 4 through irradiation of light by the light irradiation means 3, and inspecting the object to be inspected 4 based on output from the photodetection means 6, wherein a light amplification means 5 amplifying signal light obtained from the object to be inspected 4 is provided. There is thus provided an optical inspection device capable of photoelectically converting signal light from the object to be inspected with high sensitivity and promptly with its inexpensive configuration without increasing the intensity of light with which the object to be inspected is irradiated and without using an expensive low-noise and high-sensitivity photodetector.Type: ApplicationFiled: September 18, 2013Publication date: January 16, 2014Applicant: OLYMPUS CORPORATIONInventors: Kenji TAIRA, Hiroyoshi YAJIMA, Shinichi TAKIMOTO
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Publication number: 20130324797Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a CCD picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the CCD; and an observation monitor performing image display on the basis of the first image signal.Type: ApplicationFiled: June 4, 2013Publication date: December 5, 2013Inventors: Makoto IGARASHI, Tetsuo NONAMI, Kenji TAIRA
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Patent number: 8565861Abstract: An optical inspection device 1, comprising a light generation means 2, a light irradiation means 3 irradiating an object to be inspected 4 with light generated from the light generation means 2 and a photodetection means 6 photoelectrically converting signal light obtained from the object to be inspected 4 through irradiation of light by the light irradiation means 3, and inspecting the object to be inspected 4 based on output from the photodetection means 6, wherein a light amplification means 5 amplifying signal light obtained from the object to be inspected 4 is provided. There is thus provided an optical inspection device capable of photoelectrically converting signal light from the object to be inspected with high sensitivity and promptly with its inexpensive configuration without increasing the intensity of light with which the object to be inspected is irradiated and without using an expensive low-noise and high-sensitivity photodetector.Type: GrantFiled: March 23, 2009Date of Patent: October 22, 2013Assignee: Olympus CorporationInventors: Kenji Taira, Hiroyoshi Yajima, Shinichi Takimoto
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Patent number: 8514402Abstract: Provided are a photodetector device and a photodetection method as well as a microscope and an endoscope allowing the heterodyne detection of a desired light to be detected with high sensitivity and at a high SN ratio. A photodetector device comprises a local light emitting unit for generating a local light in temporally unstable interference condition with a light to be detected and a photoelectric conversion unit for generating beat signals between the local light and the light to be detected by photoelectric conversion. The light is detected in heterodyne detection based on an output of the photoelectric conversion unit.Type: GrantFiled: December 2, 2010Date of Patent: August 20, 2013Assignee: Olympus CorporationInventor: Kenji Taira
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Patent number: 8471193Abstract: There are provided a photodetection device, a photodetection method, a microscope and an endoscope, which are capable of heterodyne-detecting desired light to be detected with high sensitivity and high S/N ratio, among which the photodetection device includes: a local light generation unit (10) generating local light having a plurality of optical frequency components in an optical frequency band of light to be detected within a given period of time; a light combining unit (20) combining the local light generated from the local light generation unit (10) and the light to be detected; and a photoelectric conversion unit (30) photoelectrically-converting light output from the light combining unit (20) and generating a beat signal of the local light and the light to be detected, such that the light to be detected is heterodyne-detected based on an output of the photoelectric conversion unit (30).Type: GrantFiled: March 5, 2009Date of Patent: June 25, 2013Assignee: Olympus CorporationInventors: Kenji Taira, Hiroyoshi Yajima
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Patent number: 8456629Abstract: Spectroscopic measurements are described based on light-molecule interaction in response to a resonant rate optical pulse train so that a Raman spectrum is reflected containing at least two types of vibrational mode information (e.g., vibrational frequency, and vibrational phase relaxation) on the molecules comprising the object. A pump optical pulse train generation means is configured for generating an optical pulse train having an arbitrary repetition rate which is directed through irradiation means to the sample object. Light from the sample object is collected and vibrational coherence is detected for the sample object. The sample is tested across a plurality of different repetition frequencies. The detected information can be compared with data from other known samples from within a database when analyzing the information collected.Type: GrantFiled: November 12, 2010Date of Patent: June 4, 2013Assignees: The Regents of the University of California, Olympus CorporationInventors: Bahram Jalali, Keisuke Goda, Akira Sato, Kenji Taira
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Publication number: 20120238820Abstract: Provided is a nonlinear optical device capable of alleviating, without the need for a complicated compensation mechanism, temporal broadening and the waveform distortion resulting from a group-velocity dispersion slope, to thereby irradiate an object with short optical pulses having high peak power. The nonlinear optical device includes a short optical pulse source (10) for generating short optical pulses and a short optical pulse delivery system (20) for delivering the short optical pulses generated from the short optical pulse source to an object, in which there is generated substantially no nonlinear optical effect and there is substantially no amount of group-velocity dispersion, the short optical pulse source generates short optical pulses, and the short optical pulses have a spectral width (full width at half maximum) ?FWHM satisfying ?1<?FWHM<?2.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Applicant: OLYMPUS CORPORATIONInventors: Masato FUJIWARA, Kenji TAIRA