Patents by Inventor Takeo Miyazawa
Takeo Miyazawa 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).
-
Patent number: 10268906Abstract: A distance sensor includes an image capturing device positioned to capture an image of a field of view and a first plurality of projection points arranged around a first lens of the image capturing device, wherein each projection point of the first plurality of projection points is configured to emit a plurality of projection beams in different directions within the field of view. Each projection beam of each plurality of projection beams projects a visible pattern of shapes into a space surrounding the distance sensor.Type: GrantFiled: October 22, 2015Date of Patent: April 23, 2019Assignee: Magik Eye Inc.Inventors: Takeo Miyazawa, Akiteru Kimura, Tomaso Poggio
-
Publication number: 20170186262Abstract: Authentication method that provides: to make an authentication device, randomly attaching a plurality of reflecting particles, such as glitter, on a support; a first step of acquiring, with an optical acquisition device, at least two first images of the authentication device, the two first images each being acquired according to different lighting conditions; a first step of encoding each of the two first images in order to determine at least a first identifying indicator to be attributed to the authentication device.Type: ApplicationFiled: February 16, 2015Publication date: June 29, 2017Inventors: Francesco CELANTE, Davide TORRESIN, Renzo TAFFARELLO, Takeo MIYAZAWA, Akiteru KIMURA, Chetan ARORA, Tetsuya OKADA
-
Publication number: 20160117561Abstract: In one embodiment, a distance sensor includes an image capturing device positioned to capture an image of a field of view and a first plurality of projection points arranged around a first lens of the image capturing device, wherein each projection point of the first plurality of projection points is configured to emit a plurality of projection beams in different directions within the field of view.Type: ApplicationFiled: October 22, 2015Publication date: April 28, 2016Inventors: Takeo Miyazawa, Akiteru Kimura, Tomaso Poggio
-
Publication number: 20100220209Abstract: A system and method for generating a mosaic image from respective regions in a plurality of individual images, at least one of the regions being distorted and having a left and/or right edge that is tilted relative to a direction of view of the respective image. The distorted regions are rectified so as to form a respective rectified rectangular region and at least some of the rectified rectangular regions are mosaiced to form the mosaic image.Type: ApplicationFiled: March 4, 2010Publication date: September 2, 2010Applicants: Yissum Research Development Company of the Hebrew University, Emaki, Inc.Inventors: Shmuel Peleg, Assaf Zomet, Chetan Arora, Takeo Miyazawa
-
Patent number: 7732784Abstract: An OCT technique that permits tomographic observation of biological body parts that are difficult to restrain, and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and thus removes a burden on the biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and is capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: GrantFiled: October 5, 2007Date of Patent: June 8, 2010Assignee: School Juridical Person Kitasato InstituteInventors: Kimiya Shimizu, Kohji Ohbayashi, Takuji Amano, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Motoi Nakanishi, Fumiyoshi Kano, Takeo Miyazawa, Ryoko Yoshimura
-
Publication number: 20090273790Abstract: The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and remove the burden from biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and includes means capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: ApplicationFiled: June 15, 2009Publication date: November 5, 2009Applicants: SCHOOL JURIDICAL PERSON KITASATO INSTITUTE, NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kimiya SHIMIZU, Kohji OHBAYASHI, Takuji AMANO, Hideaki HIRO-OKA, DongHak CHOI, Hiroyuki FURUKAWA, Motoi NAKANISHI, Fumiyoshi KANO, Takeo MIYAZAWA, Ryoko YOSHIMURA
-
Patent number: 7564565Abstract: The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and remove the burden from biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and includes means capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: GrantFiled: October 5, 2007Date of Patent: July 21, 2009Assignees: School Juridical Person Kitasato Institute, Nippon Telegraph and Telephone CorporationInventors: Kimiya Shimizu, Kohji Ohbayashi, Takuji Amano, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Motoi Nakanishi, Fumiyoshi Kano, Takeo Miyazawa, Ryoko Yoshimura
-
Publication number: 20090002713Abstract: There is provided an optical coherent tomography device capable of enlarging a measurement range by removing the affect of a folded image. The device includes an optical phase modulator (14) enabling operation amplifiers (17, 18) and a calculation control device (21) to measure a first intensity as a cosine function for the wave number and a second intensity as a sine function or inverse code function for the wave number from the intensity of the output light multiplexed by a third coupler (16). The calculation control device (21) is based on a first intensity set and a second intensity set of the output light by the optical phase modulator (14) measured by the operation amplifiers (17, 18) and the like, so as to suppress generation of a folded image and identify reflection or a backscattering position and a reflection intensity or a back scattering intensity of the measurement light for the irradiation direction of the measurement light in the measurement object.Type: ApplicationFiled: January 19, 2006Publication date: January 1, 2009Applicants: SCHOOL JURIDICAL PERSON KITASATO GAKUEN, NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohji Ohbayashi, Kimiya Shimizu, Takeo Miyazawa, Ryoko Yoshimura, Hiroyuki Ishii
-
Publication number: 20080252901Abstract: The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and remove the burden from biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and includes means capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: ApplicationFiled: September 22, 2004Publication date: October 16, 2008Applicants: School Jiridical Person Kitasato Gakuen, Nippon Telegraph And Telephone CorporationInventors: Kimiya Shimizu, Kohji Ohbayashi, Takuji Amano, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Motoi Nakanishi, Fumiyoshi Kano, Takeo Miyazawa, Ryoko Yoshimura
-
Publication number: 20080031410Abstract: The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and remove the burden from biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and includes means capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: ApplicationFiled: October 5, 2007Publication date: February 7, 2008Applicants: SCHOOL JURIDICAL PERSON KITASATO GAKUEN, NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kimiya SHIMIZU, Kohji OHBAYASHI, Takuji AMANO, Hideaki HIRO-OKA, DongHak CHOI, Hiroyuki FURUKAWA, Motoi NAKANISHI, Fumiyoshi KANO, Takeo MIYAZAWA, Ryoko YOSHIMURA
-
Publication number: 20080024788Abstract: The present invention provides an OCT technique that permits tomographic observation of a biological body parts that is difficult to restrain and also provides a tomographic observation technique for the observation of a constrainable part that does not require constraint and remove the burden from biological body. A wavelength-tunable light generator (wavelength-tunable light source) is employed as the light source of the optical coherence tomography device. The wavelength-tunable light generator has a wave number tunable range width of at least 4.7×10?2 ?m?1 and an emitted-light frequency width of no more than 13 GHz, for example, and includes means capable of changing the wave number stepwise at wave number intervals of no more than 3.1×10?4 ?m?1 and time intervals of no more than 530 ?s.Type: ApplicationFiled: October 5, 2007Publication date: January 31, 2008Applicants: SCHOOL JURIDICAL PERSON KITASATO GAKUEN, NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kimiya SHIMIZU, Kohji OHBAYASHI, Takuji AMANO, Hideaki HIRO-OKA, DongHak CHOI, Hiroyuki FURUKAWA, Motoi NAKANISHI, Fumiyoshi KANO, Takeo MIYAZAWA, Ryoko YOSHIMURA
-
Publication number: 20070268456Abstract: A tissue measuring optical coherence tomography-use light source characterized in being capable of emitting light in a wavelength region of 1.53 to 1.85 ?m.Type: ApplicationFiled: August 25, 2005Publication date: November 22, 2007Inventors: Kohji Ohbayshi, Kimiya Shimizu, Takeo Miyazawa, Ryoko Yoshimura
-
Publication number: 20060120625Abstract: A system is described for generating a rectified mosaic image from a plurality of individual images, the system comprising a quadrangular region defining module, a warping module and a mosaicing module. The quadrangular region defining module is configured to define in one individual image a quadrangular region in relation to two points on a vertical anchor in the one individual image and mappings of two points on a vertical anchor in at least one other individual image into the one individual image. The warping module is configured to warp the quadrangular region to a rectangular region. The mosaicing module configured to mosaic the quadrangular region to the mosaic image. The system further generates a mosaic from a plurality of panoramic images, the system comprising a motion determining module, a normalizing module, a strip selection module, and a mosaicing module. The motion determining module is configured to determine image motion between two panoramic images.Type: ApplicationFiled: November 10, 2005Publication date: June 8, 2006Applicants: Yissum Research Development Company of the Hebrew University, Emaki, Inc,Inventors: Shmuel Peleg, Assaf Zomet, Chetan Arora, Takeo Miyazawa
-
Patent number: 6790697Abstract: An optical semiconductor device includes an optical semiconductor element, a semiconductor region, and a buried layer. The optical semiconductor element is formed on a semiconductor substrate. The semiconductor region opposes the optical semiconductor element and essentially surrounds the optical semiconductor element to form walls. The buried layer is arranged between the walls of the semiconductor region and the optical semiconductor element and formed by vapor phase epitaxy. In this optical semiconductor device, a distance between the wall of the semiconductor region and a side wall of the optical semiconductor element is larger in a portion in which the growth rate of the vapor phase epitaxy in a horizontal direction from the side wall of the optical semiconductor element and the wall of the semiconductor region is higher.Type: GrantFiled: February 4, 2002Date of Patent: September 14, 2004Assignee: Nippon Telegraph and Telephone CorporationInventors: Fumihiko Kobayashi, Takeo Miyazawa, Hidefumi Mori, Jun-ichi Nakano
-
Patent number: 6501501Abstract: A device generates a database suited for maintenance of construction and civil engineering works, particularly very long and narrow bridges, roads, and slope faces. A device also displays the database. The database generator comprises a video camera which moves in the direction of the length of said object to successively capture images of an object, a position measuring unit which outputs data relating to the capturing position, a video recorder which records the output from said image input unit in synchronism with the positional information output from said position measuring unit, an image synthesis unit which, when the information recorded by said video recorder is reproduced, refers to said positional information and synthesizes the reproduced plurality of images into one image, and a memory for storing the synthesized image. The generated image database is posted on an Internet server and displayed via a browser.Type: GrantFiled: April 27, 2000Date of Patent: December 31, 2002Assignee: Aizudoken Co. Ltd.Inventor: Takeo Miyazawa
-
Publication number: 20020167522Abstract: A system is provided which enables easy delivery of images to portable telephones. The system comprises a server, a gateway which converts the information of above-mentioned server into an interface matched to an Internet portable telephone, an image inpu interface which receives images from a digital camera and causes image data to be stored in an image memory, and a text input part which inputs text corresponding to these images and causes the text to be stored in a text memory. The images and text stored in memory are stored in association with each other. When the data of either one is acquired and referred to, it is possible to acquire data on the other one.Type: ApplicationFiled: May 8, 2002Publication date: November 14, 2002Applicant: Kizna CorporationInventor: Takeo Miyazawa
-
Publication number: 20020094598Abstract: An optical semiconductor device includes an optical semiconductor element, a semiconductor region, and a buried layer. The optical semiconductor element is formed on a semiconductor substrate. The semiconductor region opposes the optical semiconductor element and essentially surrounds the optical semiconductor element to form walls. The buried layer is arranged between the walls of the semiconductor region and the optical semiconductor element and formed by vapor phase epitaxy. In this optical semiconductor device, a distance between the wall of the semiconductor region and a side wall of the optical semiconductor element is larger in a portion in which the growth rate of the vapor phase epitaxy in a horizontal direction from the side wall of the optical semiconductor element and the wall of the semiconductor region is higher.Type: ApplicationFiled: February 4, 2002Publication date: July 18, 2002Inventors: Fumihiko Kobayashi, Takeo Miyazawa, Hidefumi Mori, Jun-Ichi Nakano
-
Publication number: 20020085046Abstract: An object of the present invention is to provide an Internet-based marketing tool that is not available in the conventional art. It includes a three-dimensional model database that stores a three-dimensional model pertaining to a target object, a viewpoint setting unit that sets a viewpoint for viewing of the target object, an image generating unit that generates an image of the target object viewed from the set viewpoint based on the three-dimensional model database, a tracking unit that tracks the set viewpoint, and an analyzing unit that performs analysis of the preferences of the user that set the viewpoint position, based on the output from the tracking unit.Type: ApplicationFiled: July 6, 2001Publication date: July 4, 2002Applicant: Infiniteface Inc.Inventors: Hima Furuta, Takeo Miyazawa
-
Publication number: 20020078180Abstract: The present invention allows a mobile terminal to access arbitrary Internet contents and acquire necessary information in a simpler reliable and timely manner. The present invention comprises a collection conditions memory that pre-stores the conditions for collecting contents, an information collection portion that accesses servers and collects contents based on said collection conditions and distributes the collected contents to a mobile terminal, and a conversion portion that converts the collected contents into a format for said mobile terminal. The information collection portion includes a synchronization portion for synchronizing contents between itself and said mobile terminal.Type: ApplicationFiled: December 7, 2001Publication date: June 20, 2002Applicant: KIZNA CORPORATIONInventor: Takeo Miyazawa
-
Patent number: 6403986Abstract: An optical semiconductor device includes an optical semiconductor element, a semiconductor region, and a buried layer. The optical semiconductor element is formed on a semiconductor substrate. The semiconductor region opposes the optical semiconductor element and essentially surrounds the optical semiconductor element to form walls. The buried layer is arranged between the walls of the semiconductor region and the optical semiconductor element and formed by vapor phase epitaxy. In this optical semiconductor device, a distance between the wall of the semiconductor region and a side wall of the optical semiconductor element is larger in a portion in which the growth rate of the vapor phase epitaxy in a horizontal direction from the side wall of the optical semiconductor element and the wall of the semiconductor region is higher.Type: GrantFiled: February 18, 1998Date of Patent: June 11, 2002Assignee: Nippon Telegraph and Telephone CorporationInventors: Fumihiko Kobayashi, Takeo Miyazawa, Hidefumi Mori, Jun-ichi Nakano