Patents by Inventor Masahiro Iwasaki

Masahiro Iwasaki 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: 20150268568
    Abstract: An electrophotographic photoreceptor includes a conductive substrate, and a singlelayer type photosensitive layer that contains a binder resin (A), a charge generating material (B), a positive hole transporting material (C), an electron transporting material (D) whose content is in a range of 10% by weight to 40% by weight with respect to the binder resin (A) and which is represented by the following formula (d), and a terphenyl compound (E): wherein in the formula (d), Rd1, Rd2, Rd3, Rd4, Rd5, Rd6, and Rd7 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group, or an aryl group; and Rd8 represents an aralkyl group or an alkyl group.
    Type: Application
    Filed: December 29, 2014
    Publication date: September 24, 2015
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshifumi SHOJI, Masahiro IWASAKI, Jiro KORENAGA
  • Patent number: 9087388
    Abstract: Provided is an image generation device generating a high-quality image of an object under a pseudo light source at any desired position, based on geometric parameters generated from a low-quality image of the object. The image generation device includes: a geometric parameter calculation unit that calculates a first geometric parameter regarding a shape of a surface from light source position, viewpoint position, and geometric normal information regarding the shape; a high-resolution database unit that stores an exemplum indicating a mesostructure of a portion of the surface and has a spatial resolution higher than the geometric normal information; an exemplum expansion unit that increases the exempla to be spatially expanded; a geometric parameter modification unit that modifies the first geometric parameter using the increased exempla; and an image generation unit that generates an output image by applying the modified geometric parameter to a reflection model.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: July 21, 2015
    Assignee: Panasonic Corporation
    Inventors: Masahiro Iwasaki, Lorcan MacManus, Neil Dodgson, Katsuhiro Kanamori
  • Patent number: 9075326
    Abstract: Provided is an electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on the conductive substrate, wherein an uppermost surface layer thereof is constituted with a cured film of a composition that contains at least two kinds of reactive charge transporting materials selected from a first reactive charge transporting material having an —OH group as a reactive functional group and a second reactive charge transporting material having an —OCH3 group as a reactive functional group, fluororesin particles, and an alkyl fluoride group-containing copolymer having repeating units represented by the following Structural Formulae A and B, and a relative dielectric constant ?r of the uppermost surface layer satisfies the following Formula (1):
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: July 7, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Jiro Korenaga, Keiko Matsuki, Masahiro Iwasaki, Mitsuhide Nakamura
  • Patent number: 9005481
    Abstract: The invention relates to a method for manufacturing a composite positive electrode active material being a composite of a positive electrode active material and carbon nanotubes. The manufacturing method includes preparing an aqueous solution of a starting material of a positive electrode active material containing a starting material of the positive electrode active material, and an aqueous solution of solubilized carbon nanotubes containing the carbon nanotubes and a solubilizing material that is composed of a water-soluble polymer whose solubilization retention rate of carbon nanotubes does not decrease with rising temperature; and synthesizing a positive electrode active material-carbon nanotube composite by mixing the aqueous solution of a starting material of a positive electrode active material and the aqueous solution of solubilized carbon nanotubes, and performing hydrothermal synthesis.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: April 14, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Satoshi Yoshida, Hiroki Kubo, Masahiro Iwasaki
  • Patent number: 8948448
    Abstract: A trajectory estimation apparatus includes: an image acceptance unit which accepts images that are temporally sequential and included in the video; a hierarchical subregion generating unit which generates subregions at hierarchical levels by performing hierarchical segmentation on each of the images accepted by the image acceptance unit such that, among subregions belonging to hierarchical levels different from each other, a spatially larger subregion includes spatially smaller subregions; and a representative trajectory estimation unit which estimates, as a representative trajectory, a trajectory, in the video, of a subregion included in a certain image, by searching for a subregion that is most similar to the subregion included in the certain image, across hierarchical levels in an image different from the certain image.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: February 3, 2015
    Assignee: Panasonic Corporation
    Inventors: Masahiro Iwasaki, Kunio Nobori, Ayako Komoto, Fabio Galasso, Roberto Cipolla
  • Patent number: 8929599
    Abstract: An articulation region display apparatus includes: an articulatedness calculating unit calculating an articulatedness, based on a temporal change in a point-to-point distance and a temporal change in a geodetic distance between given trajectories; an articulation detecting unit detecting, as an articulation region, a region corresponding to a first trajectory based on the articulatedness between the trajectories, the first trajectory being in a state where the regions corresponding to the first trajectory and a second trajectory are present on the same rigid body, the regions corresponding to the first trajectory and third trajectory are present on the same rigid body, and the region corresponding to the second trajectory is connected with the region corresponding to the third trajectory via the same joint; and a display control unit transforming the articulation region into a form visually recognized by a user, and output the transformed articulation region.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: January 6, 2015
    Assignee: Panasonic Corporation
    Inventors: Ayako Komoto, Kunio Nobori, Masahiro Iwasaki
  • Patent number: 8819952
    Abstract: In a parallel slider device, the two sliders are allowed to move in a smooth manner without interfering with each other. A same position command is given to a front servo controller for a front linear servo motor and a rear servo controller for a rear linear servo motor, and the front servo controller and the rear servo controller are provided with mutually different control gains.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: September 2, 2014
    Assignee: Kuroda Precision Industries Ltd.
    Inventors: Kaoru Naoi, Yoichi Ishizaki, Tatsuhito Inouchi, Masahiro Iwasaki
  • Patent number: 8785090
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; and a single-layer photosensitive layer that is provided on the conductive substrate and includes a binder resin, at least one kind of charge generation material selected from hydroxygallium phthalocyanine pigments and chlorogallium phthalocyanine pigments, a hole transport material represented by Formula (1), and an electron transport material represented by Formula (2):
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: July 22, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yuko Yamano, Shinya Yamamoto, Masahiro Iwasaki, Takayuki Yamashita, Yohei Saito, Jiro Korenaga
  • Patent number: 8741512
    Abstract: Provided is an additive for an electrophotographic photoreceptor which is represented by Formula (I): wherein, A represents an m-valent organic group derived from arylamine represented by Formula (II) or Formula (III); T represents a divalent hydrocarbon group having from 1 to 10 carbon atoms; Rf represents a branched hydrocarbon group having from 3 to 10 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; l represents 0 or 1; and m represents an integer of 1 to 4: wherein, Ar1, Ar2, and Ar3 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; Ar4, Ar5, Ar6, and Ar7 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; and X represents a divalent organic group represented by Formula (IV), Formula (V), or Formula (VI):
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 3, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiro Iwasaki, Yuko Yamano, Yukimi Kawabata
  • Patent number: 8703373
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer on the conductive substrate, wherein a layer having an outermost surface of the photoreceptor contains a polymer that is formed by polymerizing a crosslinkable charge transport material having an aromatic group and a —CH2OH group, and the layer having the outermost surface satisfies the following Formula (1): (Peak 2)/(Peak 1)?0.05??(1) wherein Peak 1 represents a peak area of an absorption peak (from about 1550 cm?1 to about 1650 cm?1) of stretching vibration of an aromatic group, which is obtained when an infrared absorption spectrum of the layer having the outermost surface is measured, and Peak 2 represents a peak area of an absorption peak (from about 1670 cm?1 to about 1710 cm?1) of an aromatic aldehyde, which is obtained when the infrared absorption spectrum of the layer having the outermost surface is measured.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: April 22, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventor: Masahiro Iwasaki
  • Patent number: 8685600
    Abstract: There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1).
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: April 1, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hirofumi Nakamura, Keiko Matsuki, Shingo Hirahara, Takanori Suga, Daisuke Haruyama, Hirokazu Sakashita, Masahiro Iwasaki, Takayuki Yamashita, Mitsuhide Nakamura
  • Patent number: 8679709
    Abstract: According to the invention, there is provided an electrophotographic photoreceptor comprising a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product composed of a guanamine compound and at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: March 25, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Katsumi Nukada, Wataru Yamada, Masahiro Iwasaki, Kazuhiro Koseki
  • Patent number: 8676488
    Abstract: A vehicle surrounding monitor device 10 includes a front area millimeter-wave radar 11 to a left dead angle millimeter-wave radar 18 which monitor different areas around a host vehicle 100, a vehicle speed sensor 21 and the like which detect the traveling state of the host vehicle 100, a winker signal sensor 31 which detect the state of a driver, and an obstacle detection method determination ECU 41 which controls the operation of the front area millimeter-wave radar 11 and the like and information processing. The obstacle detection method determination ECU 41 sets priority on the front area millimeter-wave radar 11 and the like on the basis of the traveling state of the host vehicle 100 and the state of the driver detected by the vehicle speed sensor 21, the winker signal sensor 31, and the like, and controls the operation of the front area millimeter-wave radar 11 and the like and the information processing on the basis of the priority.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: March 18, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Shinichi Nagata, Jun Sakugawa, Masahiro Iwasaki
  • Publication number: 20140057180
    Abstract: The problem of the present invention is to provide an electrode body in which electron conductivity of a coated active material improves and reaction resistance decreases. The present invention solves the above-mentioned problem by providing an electrode body comprising a coated active material having an oxide active material and a coat layer for coating the surface of the above-mentioned oxide active material, containing an oxide solid electrolyte material, and a sulfide solid electrolyte material contacting with the above-mentioned coated active material, characterized in that the above-mentioned coat layer contains a conductive assistant.
    Type: Application
    Filed: May 13, 2011
    Publication date: February 27, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masahiro Iwasaki
  • Patent number: 8655220
    Abstract: An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product formed from at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH and at least one selected from a guanamine compound or a melamine compound, the content of the at least one charge transporting material being at least about 90% by weight, and the content of the at least one selected from the guanamine compound or the melamine compound being from about 0.1% by weight to about 5% by weight.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: February 18, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiro Iwasaki, Katsumi Nukada, Wataru Yamada, Kenta Ide, Hirofumi Nakamura, Mitsuhide Nakamura, Koji Bando, Kaori Iemula, Kazuya Hongo, Yasuhiro Nida
  • Patent number: 8652716
    Abstract: Provided is an electrophotographic photoreceptor having a conductive substrate and a photosensitive layer, such that the layer constituting the outermost surface of the photosensitive layer is formed by polymerizing a cross-linkable charge transporting material having a reactive hydroxyl group and a cross-linkable charge transporting material having a reactive alkoxy group, and the ionization potential of the outer surface of the layer constituting the outermost surface is higher by about 0.1 eV or more than the ionization potential of the inner surface of the layer constituting the outermost surface.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: February 18, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masahiro Iwasaki, Jiro Korenaga, Yuko Yamano, Yukimi Kawabata, Daisuke Haruyama
  • Patent number: 8605946
    Abstract: A moving object detection apparatus includes: a trajectory calculating unit which calculates a plurality of trajectories for each image subset; a subclass classification unit which classifies the trajectories into subclasses for each of the image subsets, an inter-subclass similarity calculating unit which calculates a trajectory share ratio which indicates the degree of sharing of the same trajectory between arbitrary two of the subclasses and calculates the similarity between the subclasses based on the share ratio; a moving object detection unit which detects the moving object in video by classifying the subclasses into classes such that the subclasses between which a higher similarity is present are more likely to be classified into the same class.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: December 10, 2013
    Assignee: Panasonic Corporation
    Inventors: Masahiro Iwasaki, Kunio Nobori, Ayako Komoto
  • Patent number: 8599252
    Abstract: A moving object detection apparatus includes: a stationary measure calculation unit calculating, for each of trajectories, a stationary measure representing likelihood that the trajectory belongs to a stationary object; a distance calculation unit calculating a distance representing similarity between trajectories; and a region detection unit (i) performing a transformation based on the stationary measures and the distances between the trajectories, so that a ratio of a distance between a trajectory on stationary object and a trajectory on moving object, to a distance between trajectories both belonging to stationary object becomes greater than a ratio obtained before the transformation and (ii) detecting the moving object region by separating the trajectory on the moving object from the trajectory on the stationary object, based on a geodesic distance between the trajectories.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: December 3, 2013
    Assignee: Panasonic Corporation
    Inventors: Ayako Komoto, Kunio Nobori, Masahiro Iwasaki
  • Patent number: 8582822
    Abstract: A moving object detection apparatus includes: an image input unit which receives a plurality of pictures included in video; a trajectory calculating unit which calculates a plurality of trajectories from the pictures; a subclass classification unit which classifies the trajectories into a plurality of subclasses; an inter-subclass approximate geodetic distance calculating unit which calculates, for each of the subclasses, an inter-subclass approximate geodetic distance representing similarity between the subclass and another subclass, using an inter-subclass distance that is a distance including a minimum value of a linear distance between each of trajectories belonging to the subclass and one of trajectories belonging to the other subclass; and a segmentation unit which performs segmentation by determining, based on the calculated inter-subclass approximate geodetic distance, a set of subclasses including similar trajectories as one class.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: November 12, 2013
    Assignee: Panasonic Corporation
    Inventors: Masahiro Iwasaki, Kunio Nobori, Ayako Komoto
  • Publication number: 20130288170
    Abstract: An electrophotographic photoreceptor includes a conductive substrate; a single-layer photosensitive layer that is provided on the conductive substrate and includes a binder resin, a charge generation material, a hole transport material, and an electron transport material, wherein a half decay exposure during positive charging is less than or equal to 0.18 ?J/cm2, and a half decay exposure during negative charging is 2 to 12 times the half decay exposure during positive charging.
    Type: Application
    Filed: December 13, 2012
    Publication date: October 31, 2013
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yohei SAITO, Koji BANDO, Shinya YAMAMOTO, Masahiro IWASAKI, Takayuki YAMASHITA, Jiro KORENAGA, Yuko YAMANO