Patents by Inventor Takashi Matsui

Takashi Matsui 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).

  • COAL MIXTURE, METHOD FOR MANUFACTURING COAL MIXTURE, AND METHOD FOR MANUFACTURING COKE
    Publication number: 20170137716
    Abstract: A coal mixture is provided that maintains a high level of coke strength after carbonization, even where coal having an excessively large permeation distance is used in a large amount. The coal mixture includes large-permeation-distance coal and permeation-distance-decreasing coal. The permeation-distance-decreasing coal has a mean maximum vitrinite reflectance Ro of 1.25% or more and a total inert amount TI of 30 vol. % or less. The blending ratio of the permeation-distance-decreasing coal in the coal mixture is in a range derived by multiplying the blending ratio of the large-permeation-distance coal by 0.25 or more and 3.0 or less.
    Type: Application
    Filed: March 23, 2015
    Publication date: May 18, 2017
    Applicant: JFE STEEL CORPORATION
    Inventors: Yusuke DOHI, Kiyoshi FUKADA, Takashi MATSUI, Mikiya NAGAYAMA, Narumi NANRI
  • CIRCUIT BOARD, DISPLAY PANEL, AND DISPLAY DEVICE
    Publication number: 20170131586
    Abstract: An array circuit board 11B includes a glass substrate, an IC chip 20, two ACFs 30, and a resin film 32. The IC chip 20 is disposed on the glass substrate. The ACFs 30 are disposed between the glass substrate and the IC chip 20 for electrically connecting the glass substrate and the IC chip 20 together. The ACFs 30 are separated from each other. The resin film 32 is made of resin material having cure shrinkage smaller than the ACFs 30 and disposed to fill a gap between the ACFs 30 adjacent to each other between the glass substrate and the IC chip 20.
    Type: Application
    Filed: June 19, 2015
    Publication date: May 11, 2017
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Masaki NAKAYAMA, Motoji Shikota, Takashi Matsui, Yashuhiko Tanaka, Hiroki Miyazaki
  • COMMUNICATION APPARATUS, CONTROL METHOD THEREOF AND STORAGE MEDIUM
    Publication number: 20170064632
    Abstract: A communication apparatus comprises: a communication unit configured to communicate data with an external apparatus; a detection unit configured to detect a temperature of the communication apparatus; and a control unit configured to cause the detection unit to detect a temperature of the communication apparatus, perform, in a case where the detected temperature is lower than a predetermined temperature, a first communication operation performed without suspending the data transfer, and perform, in a case where the detected temperature is higher than or equal to the predetermined temperature, a second communication operation performed while suspending the data transfer, wherein the control unit sets, based on a communication state of the communication unit, a suspension time of the data transfer when performing the second communication operation.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 2, 2017
    Inventors: Hideaki Ohshima, Takashi Matsui
  • Developing apparatus, developing method, image forming apparatus, and image forming method
    Patent number: 9581934
    Abstract: The developing apparatus includes a toner, a developing container, a developing roller, and a toner layer thickness controlling member, wherein the toner contains toner particles containing a binder resin and a colorant, and silica fine particles; the covering rate X1 of the surface of each of the toner particles with the silica fine particles is 40.0 to 75.0 area %; and a diffusion index represented by X1/X2 satisfies a predetermined range where the theoretical covering rate with the silica fine particles is defined as X2, the developing roller includes a substrate, a base layer, and a coverage portion; and the volume resistivity of the coverage portion and the average thickness of the coverage portion are within predetermined ranges.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: February 28, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Minoru Ito, Masaki Yamada, Kazuhito Wakabayashi, Tomoya Uesugi, Michihisa Magome, Takashi Matsui
  • Measuring method of longitudinal distribution of bending loss of optical fiber, measuring method of longitudinal distribution of actual bending loss value of optical fiber, test method of optical line, manufacturing method of optical fiber cable, manufacturing method of optical fiber cord, and manufacturing method of optical fiber
    Patent number: 9562827
    Abstract: A measuring method of a longitudinal distribution of bending loss of an optical fiber includes calculating an arithmetical mean value I(x) from two backscattering light intensities of two backscattering light at a position x obtained by bidirectional OTDR measurement of the optical fiber; and obtaining a bending loss value at the position x from a mode field diameter 2W(x) and a relative refractive index difference ?(x) at the position x calculated from the arithmetical mean value.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: February 7, 2017
    Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Shoji Tanigawa, Itaru Ishida, Shoichiro Matsuo, Toshio Kurashima, Kazuhide Nakajima, Tomoya Shimizu, Takashi Matsui, Yukihiro Goto
  • Developing apparatus, developing method, image forming apparatus, and image forming method
    Patent number: 9442419
    Abstract: A developing apparatus and a developing method that significantly suppress generation of fogging and form a high-quality electrophotographic images under any environments such as a high temperature and high humidity environment and a low temperature and low humidity environment are provided. A toner wherein a covering rate X1 of the surface of a toner particle with silica fine particles, which is determined by ESCA, is 40.0 to 75.0 area %, and the diffusion index represented by (Expression 1) diffusion index=X1/X2 satisfies (Expression 2) diffusion index??0.0042×X1+0.62 where in the theoretical covering rate with the silica fine particles is defined as X2; and a developing apparatus including a developing carrying member which is a surface layer formed of a urethane resin having a partial structure derived from a reaction of a polyisocyanate with a compound represented by Formula 1.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: September 13, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuhito Wakabayashi, Masaki Yamada, Minoru Ito, Tomoya Uesugi, Michihisa Magome, Takashi Matsui
  • Image-forming apparatus, image-forming method, developing apparatus, and developing method
    Patent number: 9442416
    Abstract: Provided is a developing apparatus, including toner for developing an electrostatic latent image, a toner carrier for carrying the toner, and a regulating member for regulating a layer thickness of the toner carried by the toner carrier. The toner carrier is placed to be brought into contact with the electrostatic latent image bearing member. The toner carrier includes a substrate, an elastic layer, and a surface layer containing a urethane resin. The urethane resin has a partial structure derived from a reaction between a compound represented by the structural formula (1) and a polyisocyanate. The toner contains toner particles each containing a binder resin and a magnetic material, and inorganic fine particles. The toner has a weight average particle diameter (D4) of from 9.5 ?m to 14.0 ?m. The toner has a porosity of 50 or more and 56 or less.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: September 13, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Michihisa Magome, Takashi Matsui, Kozue Uratani, Atsuhiko Ohmori, Masaki Yamada, Minoru Ito
  • Toner
    Patent number: 9372424
    Abstract: A magnetic toner contains magnetic toner particles and silica fine particles. The magnetic toner has a thermal conductivity in the range of 0.230 to 0.270 W/(m·K). Primary particles of the silica fine particles have a number-average particle diameter (D1) in the range of 5 to 20 nm. The coverage X1 of the magnetic toner surface by the silica fine particles ranges from 40% to 75% by area as determined using an X-ray photoelectron spectrometer (ESCA). The diffusion index (X1/X2) satisfies the following formula: Diffusion index??0.0042×X1+0.62 wherein X2 denotes the theoretical coverage of the magnetic toner surface by the silica fine particles.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 21, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Matsui, Yusuke Hasegawa, Shuichi Hiroko, Yoshitaka Suzumura, Atsuhiko Ohmori, Keisuke Tanaka
  • IMAGE PICKUP APPARATUS, METHOD FOR CONTROLLING THE SAME, AND PROGRAM FOR OBTAINING POSITION INFORMATION AND DIRECTION INFORMATION
    Publication number: 20160155224
    Abstract: An image pickup apparatus includes a shooting unit, a control unit, and an association unit. The shooting unit performs a plurality of shooting operations and obtain a plurality of images. The control unit acquires position information and acquire direction information. The association unit associates the direction information and the position information with the plurality of images. The control unit controls the shooting unit to perform a single shooting operation and a continuous shooting operation selectively. The position information associated with each of the plurality of images obtained in the continuous shooting operation is the same position information, and the direction information associated with each of the plurality of images obtained in the continuous shooting operation is individual direction information in the continuous shooting operation.
    Type: Application
    Filed: January 21, 2016
    Publication date: June 2, 2016
    Inventor: Takashi Matsui
  • TONER AND METHOD OF PRODUCING TONER
    Publication number: 20160154331
    Abstract: Provided is toner comprising toner particle containing binder resin and colorant and silica fine particle, wherein: the silica fine particle contains silica fine particle A and silica fine particle B; silica fine particle A has a number average particle diameter of primary particle of 5 nm or more and 20 nm or less; silica fine particle B has a number average particle diameter of primary particle of 80 nm or more and 200 nm or less; and silica fine particle B has a half width of a peak of primary particle of 25 nm or less, in a weight-based particle size distribution, and wherein when the toner is measured by adhesive force-measuring method by using polycarbonate thin film, an adhesion of the silica fine particle A is 0.5% by area or less relative to 100% by area of the total area of the polycarbonate thin film.
    Type: Application
    Filed: November 17, 2015
    Publication date: June 2, 2016
    Inventors: Keisuke Tanaka, Takashi Matsui, Satoshi Arimura, Kozue Uratani, Shohei Tsuda, Naoki Okamoto
  • Developing apparatus, developing method, image-forming apparatus, and image-forming method
    Patent number: 9354545
    Abstract: Provided is a developing apparatus, including: a toner for developing an electrostatic latent image; a toner carrier for carrying the toner; and a regulating member for regulating a layer thickness of the toner carried by the toner carrier, in which: the toner includes a toner containing toner particles each containing a binder resin and a magnetic material, and inorganic fine particles present on surfaces of the toner particles; the toner has a dielectric loss factor (??) at a frequency of 100 kHz and a temperature of 30° C. of 0.03 pF/m or more and 0.30 pF/m or less; the toner carrier includes a substrate, an elastic layer, and a surface layer containing a urethane resin; and the urethane resin has a partial structure derived from a reaction between a compound represented by the structural formula (1) and a polyisocyanate.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: May 31, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takashi Matsui, Michihisa Magome, Kozue Uratani, Atsuhiko Ohmori, Masaki Yamada, Minoru Ito
  • Developing apparatus, developing method, image forming apparatus and image forming method
    Patent number: 9348246
    Abstract: The present invention provides a developing apparatus including a toner, a toner carrying member and a regulating member, wherein the toner is a magnetic toner including a toner particle, a first fine silica particle having a number average primary particle diameter of 5 to 20 nm and a second fine silica particle having a number average primary particle diameter of 40 to 200 nm, the second fine silica particle is a fine silica particle produced by a sol-gel method, the toner has a total energy of 270 to 355 mJ/(g/ml), the toner carrying member has a substrate, an elastic layer and a surface layer including a urethane resin, and the urethane resin has a partial structure derived from a reaction of a particular amine type compound with a polyisocyanate.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: May 24, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Michihisa Magome, Takashi Matsui, Kozue Uratani, Atsuhiko Ohmori, Masaki Yamada, Minoru Ito
  • TONER
    Publication number: 20160139521
    Abstract: Provided is a toner, including: a toner particle containing a binder resin and a colorant; and an inorganic fine particle, in which the toner particle has an average circularity of 0.960 or more, and in which the toner satisfies the formula (1) and the formula (2). Fp(A)?25.0 nN??Formula (1) (Fp(B)?Fp(A))/Fp(A)?0.
    Type: Application
    Filed: October 26, 2015
    Publication date: May 19, 2016
    Inventors: Shohei Tsuda, Takashi Matsui, Satoshi Arimura, Kozue Uratani, Keisuke Tanaka, Naoki Okamoto
  • Display apparatus
    Patent number: 9320150
    Abstract: A display apparatus is provided with: a frame; a display panel, which is fixed to the frame; and a plurality of flexible printed circuit boards, which are disposed adjacent to each other, and each of which has one end side pressure bonded to the display panel, and the other end side bent to the frame side, which is the reverse side of the display panel. The display apparatus has adhesive areas wherein a surface of the display panel is adhered and fixed to the frame, the adhesive areas being in areas overlapping the flexible printed circuit boards. In regions among the flexible printed circuit boards adjacent to each other, non-adhesive areas where the surface of the display panel is not adhered and fixed to the frame are provided.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: April 19, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masaki Nakayama, Motoji Shiota, Takashi Matsui, Hiroki Miyazaki
  • Drive chip and display apparatus
    Patent number: 9318454
    Abstract: This drive chip has a configuration that is provided with: a base main body; two terminal groups that are respectively disposed along the base main body sides in the longitudinal direction of the base main body, said sides facing each other; a narrow-pitch section in one terminal group wherein terminals are disposed in a zigzag manner in two or more rows, said narrow-pitch section having a narrow terminal pitch in the longitudinal direction; a rough pitch section in the one terminal group, said rough pitch section having a terminal pitch in the longitudinal direction wider than that of the narrow pitch section; and a dummy bump that is disposed between the two terminal groups, said dummy bump being disposed parallel to the rough pitch section.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: April 19, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takashi Matsui, Takeshi Horiguchi, Motoji Shiota
  • OPTICAL TRANSCEIVER IMPLEMENTING ERBIUM DOPED FIBER AMPLIFIER
    Publication number: 20160103286
    Abstract: An optical transceiver that installs an optical modulator with the Mach-Zehnder type and made of primarily semiconductor materials, and an Erbium Doped Fiber Amplifier (EDFA) is disclosed. The EDFA and the MZ modulator, in addition to a wavelength tunable laser diode, an intelligent coherent receiver, and a polarization maintaining splitter, are installed within a compact case following the standard of CFP2.
    Type: Application
    Filed: October 8, 2015
    Publication date: April 14, 2016
    Inventor: Takashi MATSUI
  • Magnetic toner
    Patent number: 9304422
    Abstract: It is intended to provide magnetic toner that produces a stable image density in long-term use and can prevent ghosting under conditions of low-temperature and low-humidity. The present invention provides magnetic toner including magnetic toner particles each containing a binder resin, a magnetic material and a releasing agent, and silica fine particles, wherein the silica fine particles include silica fine particles A and B, the silica fine particles A have a number-average particle size of 5-20 nm as primary particles, the silica fine particles B are produced by a sol-gel method, and have a number-average particle size of 40-200 nm as primary particles, an abundance ratio of secondary particles of the silica fine particles B is 5-40% by number, and a coverage ratio X1 of the surface of the magnetic toner particles with the silica fine particles determined by ESCA is 40.0-75.0% by area.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: April 5, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takashi Matsui, Michihisa Magome, Kozue Uratani, Atsuhiko Ohmori
  • IMAGE CAPTURING APPARATUS CAPABLE OF DETECTING GEOMAGNETISM, CONTROL METHOD, AND STORAGE MEDIUM
    Publication number: 20160080655
    Abstract: An image capturing apparatus comprising: an image capturing unit configured to capture an image of a subject and output an image signal; a control unit configured to control a current supplied to the image capturing unit; and an azimuth direction acquisition unit configured to detect geomagnetism, and acquire azimuth direction information indicating a direction in which the image capturing apparatus is oriented, based on the detected geomagnetism, wherein the azimuth direction acquisition unit detects the geomagnetism while a current is supplied to the image capturing unit, and acquires azimuth direction information in which an influence on the detected geomagnetism, the influence being caused by the supplied current, has been corrected.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 17, 2016
    Inventor: Takashi Matsui
  • Image pickup apparatus, method for controlling the same, and program for obtaining position information and direction information
    Patent number: 9277118
    Abstract: An image pickup apparatus includes continuous shooting means, position acquisition means, and direction acquisition means, wherein the continuous shooting means performs multiple shooting operations and obtains multiple images, the position acquisition means acquires position information, the direction acquisition means acquires direction information, and in the multiple shooting operations performed by the continuous shooting means, the position acquisition means does not acquire position information for each of the shooting operations performed by the continuous shooting means, and the direction acquisition means acquires direction information for each of the shooting operations performed by the continuous shooting means.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: March 1, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takashi Matsui
  • Toner
    Patent number: 9239528
    Abstract: A toner comprising toner particles which comprise a binder resin and a colorant, and also inorganic fine particles as external additives, wherein the inorganic fine particles are silica fine particles and a group 2 element titanate fine particles, the inorganic fine particles have specific particle diameters, the silica fine particles have a coverage ratio X1 on the surfaces of the toner particles, which is not less than 40.0 surface area % and not more than 75.0 surface area %, when the theoretical coverage ratio by the silica fine particles is X2, the diffusion index defined as “diffusion index=X1/X2” satisfies the condition: diffusion index??0.0042×X1+0.62, and the external additives have an embedding ratio on the toner particles, which satisfies a specific range.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: January 19, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yusuke Hasegawa, Takashi Matsui, Shuichi Hiroko, Yoshitaka Suzumura, Atsuhiko Ohmori, Keisuke Tanaka