Patents by Inventor Yasuo Maeda

Yasuo Maeda 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: 8750564
    Abstract: First and second camera parameters are optimized for detecting a respective retroreflective and non-retroreflective object. A sequential series of first and second video frames are captured based on the first and second camera parameters, and the retroreflective and non-retroreflective object are detected in a camera scene based on the respective first and second video frames of the series.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: June 10, 2014
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Patrick Yasuo Maeda, Martin Edward Hoover
  • Publication number: 20140126213
    Abstract: A light emitting diode (LED) light bulb includes a thermally conductive base and at least one LED assembly disposed on and thermally coupled to a surface of the base. The LED assembly includes at least one LED configured to generate light. A thermal optical diffuser defines an interior volume and the LED is arranged to emit light into the interior volume and through the thermal optical diffuser. The thermal optical diffuser is disposed on the surface of the base and extends from the base to a terminus on the light emitting side. The thermal optical diffuser is configured to include one or more openings that allow convective air flow between the interior volume of the thermal optical diffuser and ambient environment.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 8, 2014
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventors: Ashish Pattekar, Christopher Paulson, Ramkumar Abhishek, Patrick Yasuo Maeda
  • Patent number: 8582015
    Abstract: An image pickup apparatus including: an image pickup device for receiving subject light passed through a photographing optical system by an image pickup surface in which a pixel arrangement is formed, and generating an image signal; and an optically transparent film having an optical anisotropy, and disposed in front of the image pickup surface, the subject light entering the optically transparent film; wherein a width of separation between a first ray of light and a second ray of light produced by birefringence in the optically transparent film is ½ or more of a pixel pitch in the pixel arrangement.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: November 12, 2013
    Assignee: Sony Corporation
    Inventors: Yasutoshi Katsuda, Yasuo Maeda
  • Publication number: 20130250403
    Abstract: An optical transmission window includes a dielectric substrate that is transparent at an infrared wavelength. A titanium dioxide coating is disposed on an external surface of the dielectric substrate. The titanium dioxide coating has an optical thickness of m plus one-half of the infrared wavelength, where m is a whole number greater than or equal to zero.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 26, 2013
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventor: Patrick Yasuo Maeda
  • Patent number: 8472596
    Abstract: A processing apparatus, including: a query statistics unit which inputs a query request for querying a destination for first telephone number, and counts the number of input query requests; and a restriction control unit which transmits to a restriction control apparatus which performs outgoing call restriction, a restriction request to restrict a telephone call by second telephone number, when the counted number of the query requests is equal to or greater than a restriction start threshold, wherein the telephone call by the second telephone number is restricted by transmission of the restriction request, and a telephone call by the first telephone number is performed.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: June 25, 2013
    Assignee: Fujitsu Limited
    Inventors: Yukio Katakura, Hiroaki Komine, Yasuo Maeda, Katsuyoshi Tsuhara
  • Publication number: 20130148845
    Abstract: Vehicle occupancy detection involves projecting modulated light onto an occupant from a light source outside of a vehicle. Reflections of the light source are received at a detector located outside of the vehicle. Three-dimensional data is determined based on a time-of-flight of the reflections, and the occupant is detected based on the three-dimensional data.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 13, 2013
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventor: Patrick Yasuo Maeda
  • Publication number: 20130148846
    Abstract: First and second camera parameters are optimized for detecting a respective retroreflective and non-retroreflective object. A sequential series of first and second video frames are captured based on the first and second camera parameters, and the retroreflective and non-retroreflective object are detected in a camera scene based on the respective first and second video frames of the series.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 13, 2013
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventors: Patrick Yasuo Maeda, Martin Edward Hoover
  • Publication number: 20130135519
    Abstract: An optical function device includes a base material layer, a semi-transparent layer formed on a principal plane of the base material layer, the semi-transparent layer reflecting light of incident light at a ratio determined in advance and passing remaining light; and a reflection prevention layer formed on a principal plane opposite to the principal plane of the base material layer with respect to the base material layer, the reflection prevention layer preventing reflection of the light passing through the base material layer. The image-capturing device includes an optical function device, a first light receiving device for receiving transmission light from the optical function device, and a second light receiving device for receiving reflection light from the optical function device.
    Type: Application
    Filed: July 12, 2011
    Publication date: May 30, 2013
    Applicant: SONY CORPORATION
    Inventors: Yasutoshi Katsuda, Nobuyuki Kodama, Shinichi Hasegawa, Yasuo Maeda, Kazuhiko Kojima, Hiroshi Katsuno
  • Patent number: 8279322
    Abstract: An image pickup device includes a fixedly provided half mirror that separates object light that has passed through a shooting optical system into transmitted light and reflected light, and an image pickup unit that generates an image of an object by receiving the transmitted light. The half mirror includes an optically transmissive film that is optically isotropic.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: October 2, 2012
    Assignee: Sony Corporation
    Inventors: Yasutoshi Katsuda, Kazuhito Shimoda, Yasuo Maeda, Nobuyuki Kodama
  • Patent number: 8217975
    Abstract: Disclosed are an apparatus, optical scanning device, and a corresponding method of forming images on a photosensitive surface. The apparatus includes a laser raster output scanner (ROS) including laser emitters arranged to simultaneously scan a plurality of laser beams across a single scan line of the photosensitive surface in response to received image data corresponding to pixels in an image to be reproduced, and a controller individually controlling each of the laser emitters to selectively apply one of a plurality of power levels to each of the laser beams based on the image data for each of the pixels, wherein a total power applied by the laser beams for each pixel is determined by a sum of the power levels applied by each of the laser beams.
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: July 10, 2012
    Assignee: Xerox Corporation
    Inventors: Robert J. Kleckner, Patrick Yasuo Maeda, Martin Pepe
  • Patent number: 8143791
    Abstract: A control system for a light-emitting device may include test circuitry, photodetectors, and process circuitry. The test circuitry is configured to sequentially drive individual groups of light-emitting elements in a light-emitting device during a test sequence. Each group of light-emitting elements includes one or more light-emitting elements. The photodetectors are configured to detect an intensity of light present at a plurality of locations of the light-emitting device during the test sequence and generate a detection signal corresponding to the detected intensity of light. The process circuitry is configured to process the detection signals and transmit an adjustment signal based on the processing. The light-emitting elements may then be driven such that at least one characteristic of light emitted by all of the plurality of light-emitting elements is substantially the same at each of the plurality of locations of the light-mixing region.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: March 27, 2012
    Assignee: Palo Alto Research Center Incorporated
    Inventor: Patrick Yasuo Maeda
  • Patent number: 8139277
    Abstract: Two integrated multi-beam sources are positioned and disposed such that each emits light toward an optical splitter. The emitted light is polarized such that the splitter brings the optical paths of the two integrated multi-beam sources generally parallel to one another such that the optical system aperture throughput for the two integrated multi-beam sources is roughly the same as for a single integrated multi-beam source. The splitter may be such that a portion of the optical energy from each source is directed into an imaging path and a portion of the optical energy is directed toward one or more non-polarizing splitters and optical sensors for, inter alia, controlling the output of the sources. In various embodiments, the number of splitters, and hence the extent of optical loss, may be reduced by use of a combined polarized and non-polarized splitter, dual polarized splitters, and time-sequenced beam generation and monitoring.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: March 20, 2012
    Assignee: Palo Alto Research Center. Incorporated
    Inventors: Patrick Yasuo Maeda, Philipp Helmut Schmaelzle
  • Publication number: 20120030350
    Abstract: A processing apparatus includes: an address converter configured to return an address in response to a search request from a server; and a substitute controller configured to control the address converter to return a first address in response to a first search request from a first server when the address converter has not received a second search request for a second address from a second server, and return the second address in response to the first search request from the first server when the address converter has received a second search request for the second address from the second server.
    Type: Application
    Filed: July 25, 2011
    Publication date: February 2, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Yukio KATAKURA, Hiroaki Komine, Yasuo Maeda, Katsuyoshi Tsuhara
  • Publication number: 20110293080
    Abstract: A processing apparatus, including: a query statistics unit which inputs a query request for querying a destination for first telephone number, and counts the number of input query requests; and a restriction control unit which transmits to a restriction control apparatus which performs outgoing call restriction, a restriction request to restrict a telephone call by second telephone number, when the counted number of the query requests is equal to or greater than a restriction start threshold, wherein the telephone call by the second telephone number is restricted by transmission of the restriction request, and a telephone call by the first telephone number is performed.
    Type: Application
    Filed: March 30, 2011
    Publication date: December 1, 2011
    Applicant: Fujitsu Limited
    Inventors: Yukio Katakura, Hiroaki Komine, Yasuo Maeda, Katsuyoshi Tsuhara
  • Publication number: 20110238774
    Abstract: In a data transmitting and receiving method of a demand assignment type, a master device schedules an occupancy band of a fixed size for requesting a band to the master device by slave devices, with respect to a specific number of slave devices for each cycle, and the slave device waits for assignment of the occupancy band of the fixed size based on the schedule and performs message transmission of requesting a band for data transmission to the master device, thereby suppressing an influence of pressure on the data transmission band and preventing line utilization efficiency from decreasing while avoiding signal collision on a Random Channel.
    Type: Application
    Filed: December 3, 2009
    Publication date: September 29, 2011
    Inventor: Yasuo Maeda
  • Publication number: 20110176193
    Abstract: Two integrated multi-beam sources are positioned and disposed such that each emits light toward an optical splitter. The emitted light is polarized such that the splitter brings the optical paths of the two integrated multi-beam sources generally parallel to one another such that the optical system aperture throughput for the two integrated multi-beam sources is roughly the same as for a single integrated multi-beam source. The splitter may be such that a portion of the optical energy from each source is directed into an imaging path and a portion of the optical energy is directed toward one or more non-polarizing splitters and optical sensors for, inter alia, controlling the output of the sources. In various embodiments, the number of splitters, and hence the extent of optical loss, may be reduced by use of a combined polarized and non-polarized splitter, dual polarized splitters, and time-sequenced beam generation and monitoring.
    Type: Application
    Filed: January 20, 2010
    Publication date: July 21, 2011
    Applicant: Palo Alto Research Center Incorporated
    Inventors: Patrick Yasuo Maeda, Philipp Helmut Schmaelzle
  • Publication number: 20110001866
    Abstract: An image pickup apparatus including: an image pickup device for receiving subject light passed through a photographing optical system by an image pickup surface in which a pixel arrangement is formed, and generating an image signal; and an optically transparent film having an optical anisotropy, and disposed in front of the image pickup surface, the subject light entering the optically transparent film; wherein a width of separation between a first ray of light and a second ray of light produced by birefringence in the optically transparent film is 1/2 or more of a pixel pitch in the pixel arrangement.
    Type: Application
    Filed: June 1, 2010
    Publication date: January 6, 2011
    Applicant: Sony Corporation
    Inventors: Yasutoshi Katsuda, Yasuo Maeda
  • Publication number: 20100295919
    Abstract: Two integrated multi-beam sources are positioned and disposed such that each emits light toward an optical combiner. The combiner is of a type in which the optical paths of said first laser beams and the optical paths of said second laser beams may be made to be generally parallel to one another such that the optical system aperture throughput for the two integrated multi-beam sources is roughly the same as for a single integrated multi-beam source. The combiner may be a splitter such that a portion of the optical energy from each source is directed into an imaging path and a portion of the optical energy is directed toward an optical sensor for, inter alia, controlling the output of the sources. Additional sources and combiners maybe added in series, with the output of one combiner being the input to the additional combiner together with the output from the additional source.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 25, 2010
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventor: Patrick Yasuo Maeda
  • Publication number: 20100277637
    Abstract: An image pickup device includes a fixedly provided half mirror that separates object light that has passed through a shooting optical system into transmitted light and reflected light, and an image pickup unit that generates an image of an object by receiving the transmitted light. The half mirror includes an optically transmissive film that is optically isotropic.
    Type: Application
    Filed: March 23, 2010
    Publication date: November 4, 2010
    Applicant: SONY CORPORATION
    Inventors: Yasutoshi KATSUDA, Kazuhito SHIMODA, Yasuo MAEDA, Nobuyuki KODAMA
  • Publication number: 20100148693
    Abstract: A control system for a light-emitting device may include test circuitry, photodetectors, and process circuitry. The test circuitry is configured to sequentially drive individual groups of light-emitting elements in a light-emitting device during a test sequence. Each group of light-emitting elements includes one or more light-emitting elements. The photodetectors are configured to detect an intensity of light present at a plurality of locations of the light-emitting device during the test sequence and generate a detection signal corresponding to the detected intensity of light. The process circuitry is configured to process the detection signals and transmit an adjustment signal based on the processing. The light-emitting elements may then be driven such that at least one characteristic of light emitted by all of the plurality of light-emitting elements is substantially the same at each of the plurality of locations of the light-mixing region.
    Type: Application
    Filed: December 12, 2008
    Publication date: June 17, 2010
    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventor: Patrick Yasuo Maeda