Patents by Inventor Masato Tanaka

Masato Tanaka 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: 20150346617
    Abstract: The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment; and a novel phthalocyanine crystal. The electrophotographic photosensitive member of the present invention includes a photosensitive layer which comprises a phthalocyanine crystal in which a dimethyl sulfoxide is contained. The content of the dimethyl sulfoxide is 0.1% by mass or more and 1.7% by mass or less based on the phthalocyanine crystal.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Inventors: Masataka Kawahara, Tsutomu Nishida, Jumpei Kuno, Masato Tanaka, Kaname Watariguchi
  • Publication number: 20150346616
    Abstract: The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment; and a novel phthalocyanine crystal. The electrophotographic photosensitive member of the present invention comprises a photosensitive layer which comprises a phthalocyanine crystal in which a N,N-dimethylformamide is contained. The content of the N,N-dimethylformamide is 0.1% by mass or more and 1.5% by mass or less based on the phthalocyanine crystal.
    Type: Application
    Filed: May 26, 2015
    Publication date: December 3, 2015
    Inventors: Masataka Kawahara, Masato Tanaka, Jumpei Kuno, Tsutomu Nishida, Kaname Watariguchi
  • Patent number: 9186433
    Abstract: A kit for bonding to biological hard tissues, containing a phosphorylated polysaccharide, a polyvalent metal salt other than phosphates, and a solvent. The adhesive composition for biological hard tissues provided by the kit for bonding to biological hard tissues is suitably used in for medical uses, such as cement for bones or dental cement.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: November 17, 2015
    Assignees: National University Corporation Okayama University, Junsei Educational Institution
    Inventors: Yasuhiro Yoshida, Masato Tanaka, Kazuomi Suzuki, Toshifumi Ozaki, Tomohiro Takahata, Masao Irie, Mariko Nakamura, Mitsunobu Kawashima, Yamato Nojiri, Koichi Okada, Masahiro Nagao
  • Publication number: 20150316864
    Abstract: An electrophotographic photosensitive member capable of outputting an image with suppressed positive ghosting, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member are provided. The electrophotographic photosensitive member has a photosensitive layer including a phthalocyanine crystal in which the compound represented by the formula (1) is contained, wherein the content of the compound represented by the formula (1) is 0.1% by mass or more and 1.7% by mass or less based on the phthalocyanine crystal.
    Type: Application
    Filed: April 17, 2015
    Publication date: November 5, 2015
    Inventors: Junpei Kuno, Tsutomu Nishida, Masato Tanaka, Masataka Kawahara, Kaname Watariguchi
  • Publication number: 20150316863
    Abstract: An electrophotographic photosensitive member is provided. The electrophotographic photosensitive member can output an image having few image defects due to a ghost phenomenon not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment, which is particularly a strict condition. A process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member are also provided. The electrophotographic photosensitive member has a support and a photosensitive layer formed on the support, wherein the photosensitive layer includes a gallium phthalocyanine crystal including a compound having a structure in which a 7-membered ring and a 5-membered ring are condensed to each other within the crystal.
    Type: Application
    Filed: April 6, 2015
    Publication date: November 5, 2015
    Inventors: Masato Tanaka, Tsutomu Nishida, Masataka Kawahara, Junpei Kuno
  • Publication number: 20150316862
    Abstract: Provided is an electrophotographic photosensitive member, including a photosensitive layer that includes a phthalocyanine crystal in which a compound represented by the following formula (1) is contained: in the formula (1), X represents a vinyl group or a propyl group.
    Type: Application
    Filed: April 17, 2015
    Publication date: November 5, 2015
    Inventors: Junpei Kuno, Tsutomu Nishida, Masato Tanaka, Masataka Kawahara, Kaname Watariguchi
  • Patent number: 9178287
    Abstract: A multi-core cable assembly is formed by arranging a plurality of cables side by side and connecting the cables to a substrate 30 which is a connection member. The plurality of cables configure flat cable units 10, 20 for each diameter of cables, and ground bars 16, 27 are fixed thereto so as to be electrically connected with a shield member included in the cable. Each of ground bars 16, 27 are electrically connected to a ground pad 31 of the substrate 30. The ground bars 16, 27 adjacent to each other are disposed to be shifted in a longitudinal direction of the cable. In addition, two ground bars 16, 27 interposing the other one ground bar and positioned at both sides thereof are disposed in a position overlapped in the longitudinal direction of the cables.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: November 3, 2015
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Masato Tanaka
  • Publication number: 20150309428
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support. The photosensitive layer contains a phthalocyanine crystal in which a particular amide compound is contained.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 29, 2015
    Inventors: Masataka Kawahara, Tsutomu Nishida, Junpei Kuno, Masato Tanaka, Kaname Watariguchi
  • Publication number: 20150309426
    Abstract: A photosensitive layer includes a gallium phthalocyanine crystal and 0.2% by mass or more and 20% by mass or less of an arene compound based on the gallium phthalocyanine crystal, and the arene compound has a halogen atom or a halogen-substituted alkyl group, and a sulfonic acid group or a sulfonic acid salt group, as a substituent.
    Type: Application
    Filed: April 2, 2015
    Publication date: October 29, 2015
    Inventors: Tsutomu Nishida, Masato Tanaka, Masataka Kawahara
  • Publication number: 20150309427
    Abstract: An electrophotographic photosensitive member includes a support and a photosensitive layer on the support, and the photosensitive layer contains a hydroxygallium phthalocyanine crystal having peaks at Bragg angles 2?±0.2° of 6.9°, 7.7°, 16.4°, 24.4°, and 26.5° in CuK? X-ray diffraction.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 29, 2015
    Inventors: Masataka Kawahara, Tsutomu Nishida, Junpei Kuno, Masato Tanaka, Kaname Watariguchi
  • Patent number: 9172226
    Abstract: One aspect of the invention relates to a multi-core cable in which a cable sheath covers plural electronic wires in each of which a central conductor is covered with a covering. In the multi-core cable, the electronic wires are exposed from a longitudinal end of the cable sheath, and distal ends of exposed portions of the plural electronic wires are parallel aligned, and the exposed portions of the plural electronic wires are fixed by a resin in a place within a range from the end of the cable sheath to a parallel aligned place.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: October 27, 2015
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Masato Tanaka, Yoshimasa Watanabe
  • Patent number: 9170492
    Abstract: A silicon-containing film-forming composition includes a polysiloxane and organic solvent. The polysiloxane includes a first structural unit, a second structural unit, and a third structural unit. The first structural unit is derived from a tetraalkoxysilane. The second structural unit is derived from a compound shown by a formula (1), wherein R1 represents a hydrogen atom or an electron-donating group, at least one R1 is an electron-donating group, R2 represents a monovalent organic group, and n represents 0 or 1. The third structural unit is derived from a compound shown by a formula (2), wherein R3 represents an alkyl group having 1 to 8 carbon atoms, and R4 represents a monovalent organic group.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: October 27, 2015
    Assignee: JSR CORPORATION
    Inventors: Tomoharu Kawazu, Masato Tanaka, Takashi Mori, Kazunori Takanashi, Kyoyu Yasuda
  • Publication number: 20150301461
    Abstract: The photosensitive layer of an electrophotographic photosensitive member contains a phthalocyanine crystal in which a compound represented by the following formula (1) is contained:
    Type: Application
    Filed: December 10, 2013
    Publication date: October 22, 2015
    Inventor: Masato Tanaka
  • Patent number: 9162730
    Abstract: A motor drive control apparatus for performing motor control that is stable and has a good efficiency includes: a speed processing unit that generates a first value by converting a second value corresponding to a current speed into a duty ratio; a torque processing unit that generates a third value by converting a fourth value corresponding to a target torque into the duty ratio; and a drive unit that controls switching by a switch included in a complementary switching amplifier by an average duty ratio corresponding to a sum of the first value and the third value to drive a motor connected to the complementary switching amplifier.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: October 20, 2015
    Assignees: MICROSPACE CORPORATION, TAIYO YUDEN CO., LTD.
    Inventors: Masato Tanaka, Kazuo Asanuma, Yasuo Hosaka
  • Patent number: 9149201
    Abstract: A TWA measuring apparatus includes: a grouping section which is configured to group electrocardiogram waveforms of a subject in increments of a first beat number, to generate a plurality of first groups; a storage section which is configured to store the electrocardiogram waveforms; a testing section which is configured to test a statistical intergroup difference of measurement values of the electrocardiogram waveforms of the first groups; a heartbeat condition determining section which is configured to determine that a heartbeat condition is unstable, when a significant statistical difference exists between the first groups; and a TWA measuring section which is configured to measure variation in heartbeat by using the stored electrocardiogram waveforms, when it is determined that the heartbeat condition is unstable.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: October 6, 2015
    Assignee: NIHON KOHDEN CORPORATION
    Inventors: Takashi Kaiami, Tsuneo Takayanagi, Masato Tanaka
  • Patent number: 9148952
    Abstract: A wiring board includes first insulating layers and second insulating layers formed on a core layer in this order; a third insulating layer and a solder resist layer formed on another surface of the core layer in this order, first wiring layers and second wiring layers formed in the first insulating layers and the second insulating layers, respectively, wherein a first end surface of the first via wiring exposes from the first surface of the outermost first insulating layer to be directly connected with an outermost second wiring layer, the first via wiring and the outermost second wiring layer being separately formed, the first surface of the outermost first insulating layer and the first end surface of the first via wiring are polished surfaces, smooth surfaces and are flush with each other, and the wiring density of the second wiring layers is higher than that of the first wiring layers.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: September 29, 2015
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Noriyoshi Shimizu, Hitoshi Sakaguchi, Wataru Kaneda, Masato Tanaka, Akio Rokugawa
  • Patent number: 9142524
    Abstract: A semiconductor package includes a semiconductor chip including a circuit forming surface and a side surface, and a sealing insulation layer that seals the circuit forming surface and the side surface of the semiconductor chip, the sealing insulation layer having a first surface on a side of the circuit forming surface. At least one wiring layer and at least one insulation layer are formed one on top of the other on the first surface. The wiring layer formed on the first surface is electrically connected to the semiconductor chip. The insulation layer has a reinforcement member installed therein.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: September 22, 2015
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Masahiro Kyozuka, Akihiko Tateiwa, Masato Tanaka
  • Patent number: 9140985
    Abstract: A silicon-containing film-forming composition includes a polysiloxane and organic solvent. The polysiloxane includes a first structural unit, a second structural unit, and a third structural unit. The first structural unit is derived from a tetraalkoxysilane. The second structural unit is derived from a compound shown by a formula (1), wherein R1 represents a hydrogen atom or an electron-donating group, at least one R1 is an electron-donating group, R2 represents a monovalent organic group, and n represents 0 or 1. The third structural unit is derived from a compound shown by a formula (2), wherein R3 represents an alkyl group having 1 to 8 carbon atoms, and R4 represents a monovalent organic group.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: September 22, 2015
    Assignee: JSR CORPORATION
    Inventors: Tomoharu Kawazu, Masato Tanaka, Takashi Mori, Kazunori Takanashi, Kyoyu Yasuda
  • Publication number: 20150245768
    Abstract: An optical probe 10 includes an optical fiber 11, an optical connecter 12 being connected to the optical fiber 11, a focusing optical system 13 and a deflection optical system 14 each being connected to the optical fiber 11, a support tube 15 and a jacket tube 16 each surrounding the optical fiber 11 to extend along the optical fiber 11, and a buffer fluid 17 filled in the inner lumen of the jacket tube. The optical fiber 11 has a cutoff wavelength shorter than 1.53 ?m. The optical fiber 11, the focusing optical system 13, the deflection optical system 14, and the buffer fluid 17 and jacket tube 16 on an optical path coupled to a fundamental mode of the optical fiber each have the light transmittance of ?2 dB to 0 dB in a wavelength band of 1.6 ?m to 1.8 ?m.
    Type: Application
    Filed: July 23, 2012
    Publication date: September 3, 2015
    Inventors: Takemi Hasegawa, Mitsuharu Hirano, Masato Tanaka
  • Publication number: 20150248770
    Abstract: The optical measurement method comprises acquiring a spectrum of interference light produced by interference between back-reflected light from an object to be measured including a plurality of tissues and reference light; creating a two-dimensional reflectance image of the object to be measured according to the spectrum of the interference light; extracting regions occupied by the tissues and a boundary between the tissues in the reflectance image created; setting a range to be analyzed and a spatial averaging range according to the regions and boundary; averaging a concentration distribution of a component obtained in the spatial averaging range including the pixel and taking the average as a concentration of the component at the pixel, so as to calculate a concentration distribution of the component in the tissues; and classifying tissue type according to the extracted regions and concentration distribution, so as to generate a tissue classification image.
    Type: Application
    Filed: November 14, 2013
    Publication date: September 3, 2015
    Inventors: Takemi Hasegawa, Masato Tanaka, Mitsuharu Hirano, Shozo Tonosaki, Takahiro Ueno