Patents by Inventor Katsumi Kobayashi

Katsumi Kobayashi 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: 9424998
    Abstract: A dye, having a structure represented by formula (1A): wherein A represents a group of atoms necessary for forming a ring together with the carbon-nitrogen bond; at least one of Y1A and Y2A represents an acidic group, in which when they each represent an acidic group, they may be the same as or different from each other, or when only one of them represents an acidic group, the other represents an electron-withdrawing group; D represents a group to give a dye; n represents an integer of 1 or greater; L represents a single bond or a divalent linking group; and Y3A represents an acidic group.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 23, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Katsumi Kobayashi, Keizo Kimura, Tatsuya Susuki, Hirotaka Satou, Yukio Tani
  • Patent number: 9424982
    Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: August 23, 2016
    Assignee: TDK CORPORATION
    Inventors: Masaaki Iwakura, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima, Satoshi Shinbo
  • Patent number: 9419318
    Abstract: A method of producing a photoelectric conversion element, which contains an electrically conductive support, a photosensitive layer having porous semiconductor fine particles that have adsorbed a dye formed on the support, a charge transfer layer; and a counter electrode; containing the steps of: applying a dispersion liquid, in which the content of solids excluding semiconductor fine particles is 1% by mass or less based on the total amount of the dispersion liquid, on the support, to form a coating; heating the coating, to obtain porous semiconductor fine particles; and sensitizing the porous semiconductor fine particles by a dye having a structure represented by Formula (1): M(LL1)m1(LL2)m2(X)m3·CI??Formula (1) wherein M represents a metal atom, LL1, LL2, and X each are a ligand, CI represents a counter ion, m1 represents an integer of 1 to 3, m2 and m3 each represent an integer of 0 to 2.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: August 16, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Katsumi Kobayashi, Keizo Kimura
  • Publication number: 20160141111
    Abstract: A photoelectric conversion element includes a first electrode which has a photosensitive layer containing a light absorber on a conductive support, a second electrode which is opposed to the first electrode, and a hole transport layer which is provided between the first electrode and the second electrode, and the light absorber contains at least one of compound (P) having a perovskite crystal structure represented by the following Formula (I). A solar cell includes this photoelectric conversion element.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 19, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka SATO, Katsumi KOBAYASHI
  • Publication number: 20160133392
    Abstract: A photoelectric conversion element includes a first electrode which has a porous layer provided on a conductive support and a photosensitive layer having a light absorber on a surface of the porous layer, a second electrode which is opposed to the first electrode, and a solid hole transport layer which is provided between the first electrode and the second electrode. The light absorber includes a compound having a perovskite crystal structure having a cation of a group I element of the periodic table or a cation of a cationic organic group A, a cation of a metal atom M other than the group I elements of the periodic table, and an anion of an anionic atom X, and the porous layer contains at least one of insulating material. A solar cell includes this photoelectric conversion element.
    Type: Application
    Filed: January 19, 2016
    Publication date: May 12, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Hirotaka Sato, Katsumi Kobayashi
  • Publication number: 20160104843
    Abstract: A photoelectric conversion element including a first electrode which has a photosensitive layer containing a light absorber on a conductive support, a second electrode which is opposed to the first electrode, and a hole transport layer which is provided between the first electrode and the second electrode, in which the light absorber includes a compound having a perovskite crystal structure having a cation of a group I element of the periodic table or a cationic organic group, a cation of a metal atom M other than the group I elements of the periodic table, and an anion of an anionic atom X, and the hole transport layer contains a hole transport material of which the energy level of the highest occupied molecular orbital obtained by density functional theory calculation is within a range of ?4.50 eV to ?5.00 eV, and a solar cell including the photoelectric conversion element.
    Type: Application
    Filed: December 17, 2015
    Publication date: April 14, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Katsumi KOBAYASHI, Hirotaka SATO
  • Publication number: 20160042875
    Abstract: A photoelectric conversion element has a conductive support, a photoreceptor layer containing an electrolyte, a charge carrier layer containing an electrolyte and a counter electrode, and the photoreceptor layer has semiconductor particles on which a metal complex dye represented by Formula (I) is carried. M1(LA)(LD)(Z1).CI??Formula (I) M1 represents a metal atom; Z1 represents a monodentate ligand; LA represents a tridentate ligand represented by Formula (AL-1); LD represents a bidentate ligand represented by Formula (DL-1); and CI represents a counterion necessary for neutralizing the charge.
    Type: Application
    Filed: October 9, 2015
    Publication date: February 11, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Kohsuke WATANABE, Hirotaka SATO, Yukio TANI, Ryo FUJIWARA, Kazuhiro TSUNA, Katsumi KOBAYASHI
  • Publication number: 20160012977
    Abstract: A photoelectric conversion element, a photoelectric conversion element, a dye-sensitized solar cell and a dye solution, having an electrically conductive support, a photoconductor layer containing an electrolyte, a charge transfer layer containing an electrolyte, and a counter electrode, wherein the photoconductor layer contains semiconductor fine particles carrying a metal complex dye; and wherein the metal complex dye has at least a carboxyl group and a salt of the carboxyl group, the salt being selected from the group consisting of a potassium salt, a lithium salt, and a cesium salt, and the ratio ? of the number of the salt of the carboxyl group divided by the total number of the carboxyl group and the salt of the carboxyl group to be found in one molecule of the metal complex dye, lying in the range of 0.1 to 0.
    Type: Application
    Filed: September 21, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Katsumi KOBAYASHI
  • Patent number: 9153371
    Abstract: A coil device 10 comprises a first bobbin 40 provided with a first winding part 45 at an outer circumference and a second bobbin 50 provided with a second winding part 55 at an outer circumference. A plurality of partition walls 46, separating portions of the wire 22 which are adjacent to each other along the scroll axis Z of the first wire 22 are formed on the first winding part 45 along the scroll axis at predetermined intervals. A section width w1 of each section 47, which is along the scroll axis Z, separated by the partition walls 46 is determined so that only one wire 22 can pass through. A height of the partition walls 46 is determined so that one or more of the wires 22 can pass through. At least one connecting groove 46a, connecting each section which are adjacent to each other, is formed on each partition wall 46.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: October 6, 2015
    Assignee: TDK CORPORATION
    Inventors: Masaaki Iwakura, Nobuo Kitajima, Katsumi Kobayashi, Satoshi Sinbo
  • Publication number: 20150280145
    Abstract: A photoelectric conversion element including a photoconductor layer, wherein the photoconductor layer contains semiconductor fine particles carrying a metal complex dye of Formula (I); a metal complex dye, a dye solution, a dye-adsorbed electrode, a dye-sensitized solar cell, and a method for producing the solar cell: M(LD)(LA)·(CI) ??Formula (I) wherein M represents a metal ion; LD represents a tridentate ligand of formulas (DL-1) to (DL-4); LA represents a specific tridentate ligand; and CI represents a counter ion: Y1 and Y2 represent an oxygen, sulfur, nitrogen, or phosphorus atom; AD and BD represent a hydrocarbon or hetero ring; L represents a linking group of formulas (L-1) to (L-4); and Ra and Rb represent a substituent, X represents a nitrogen or carbon atom; CD represents hetero ring; T represents —O—, —S—, —NRL2— or —PRL3; RL1 to RL3 represent a hydrogen atom or a substituent; and Alk represents an alkylene group.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Kousuke WATANABE, Kouitsu SASAKI, Katsumi KOBAYASHI
  • Publication number: 20150248969
    Abstract: A photoelectric conversion element, having a photoconductor layercontaining semiconductor fine particles carrying a metal complex dye of Formula (I); a metal complex dye, a dye solution, a dye-adsorbed electrode, a dye-sensitized solar cell, and a method for producing the solar cell: M(LA)(LD)(LX)mX·(CI)mY??Formula (I) M represents a metal ion, LA represents a ligand of Formula (AL), LD represents a bidentate or tridentate ligand, at least one of coordinating atoms being an anion; LX represents a monodentate ligand; CI represents a counter ion; mX is 0 or 1; mY is 0 to 3; Rings A to C represent a heterocycle; Z1 and Z2 represent a carbon or nitrogen atom; Anc1 to Anc3 represent an acidic group; X1 to X3 represent a single bond or linking group; R1 to R3 represent a substituent; l1, l3, l2, m1, m3, m2, n1, n2, and n3 each are an integer.
    Type: Application
    Filed: May 15, 2015
    Publication date: September 3, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Kousuke WATANABE, Yukio TANI, Kouitsu SASAKI, Hirotaka SATOU, Kazuhiro TSUNA, Katsumi KOBAYASHI
  • Patent number: 9125142
    Abstract: A node apparatus for forming a wireless ad-hoc network, including: a recognition possibility determination unit that determines whether or not a gateway apparatus connecting the wireless ad-hoc network to other network can be recognized; an adjoining node detection unit that detects other node apparatus which is the source of a received packet as an adjoining node; a channel switching unit that switches, when the recognition possibility determination unit determines that the gateway apparatus cannot be recognized, the channel used for reception of packets transmitted in the wireless ad-hoc network successively to each of a plurality of channels; and a channel selection unit that selects a channel to be used for communication in the wireless ad-hoc network based on the number of adjoining nodes detected by the adjoining node detection unit in each of the plurality of channels.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: September 1, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Shinichi Hirata, Jun Hasegawa, Takahiro Koharagi, Hiroaki Kawasumi, Katsumi Kobayashi, Masashi Kuwahara, Takuji Furusawa, Masaharu Nozawa
  • Patent number: 9105405
    Abstract: A ceramic electronic component with metal terminals comprising a chip component formed with terminal electrodes at both ends, and a pair of metal terminals comprising a flat plate portion having a flat plate portion facing face provided so that it faces an end face of said chip component and connected to said terminal electrodes via a joining portion , and a mounting portion connected to one end portion of said flat plate portion and extending approximately perpendicular to said flat plate portion, wherein said mounting portion has a mounting portion bottom face forming an angle of approximately 270 degrees with respect to said flat plate portion, and a mounting portion upper face forming an angle of approximately 90 degrees with respect to said flat plate portion, and a solder adhering prevention area having lower wettability than said mounting portion bottom face is formed.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: August 11, 2015
    Assignee: TDK CORPORATION
    Inventors: Sunao Masuda, Katsumi Kobayashi, Takashi Komatsu, Akitoshi Yoshii, Kazuyuki Hasebe, Kayou Kusano, Norihisa Ando
  • Patent number: 9087642
    Abstract: A photoelectric conversion element having a laminate structure including, provided on an electrically conductive support, a photoconductor layer having a layer of dye-adsorbed semiconductor fine particles, a charge transfer layer, and a counter electrode, wherein the dye is a metal complex dye represented by the following formula (1): M1L1L2Z1??(1) wherein, in formula (1), M1 represents a metal atom; Z1 represents a monodentate ligand; L1 represents a specific tridentate ligand; and L2 represents a specific bidentate ligand.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: July 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Yukio Tani, Tatsuya Susuki, Katsumi Kobayashi
  • Publication number: 20150187495
    Abstract: An external terminal 30 comprises a terminal electrode connection part 32 connected to the terminal electrode 22 to face to the end surface of the element body 26; a mounting connection part 34 connectable to a mounting surface 62; and a joint part 36 which joins the terminal electrode connection part 32 with the mounting connection part 34 to separate one side surface 26a of the element body 26 closest to the mounting surface 64 therefrom. A width W1 of the joint part 36 along a direction parallel to the mounting surface 62 is smaller then a width W0 of the terminal electrode connection part 32.
    Type: Application
    Filed: November 14, 2014
    Publication date: July 2, 2015
    Inventors: Makoto MAEDA, Katsumi Kobayashi, Sunao Masuda, Toshihiro Kuroshima
  • Patent number: 9042079
    Abstract: A ceramic electronic component comprising; including a chip component of approximately rectangular parallelepiped, a first metal terminal portion having a first flat plate portion facing a first end face, at least a pair of first fitting arm portions connected to the first flat plate portion, having a first engagement projection engaging with a first wraparound portion holding the first wraparound portion in between, and a first mounting portion connected to the first flat plate portion and extending approximately parallel to one side face, and a second metal terminal portion having a second flat plate portion facing the second end face, at least a pair of second fitting arm portions connected to the second flat plate portion, having a second engagement projection engaging with a second wraparound portion, holding the second wraparound portion in between, and a second mounting portion extending approximately parallel to one side face.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: May 26, 2015
    Assignee: TDK CORPORATION
    Inventors: Sunao Masuda, Katsumi Kobayashi, Akitoshi Yoshii, Kazuyuki Hasebe, Takashi Komatsu, Kayou Kusano
  • Publication number: 20150131202
    Abstract: The present invention is ceramic electronic component with metal terminals comprising a chip component of approximately parallelepiped shape having a pair of terminal electrodes, and a pair of metal terminal parts provided in accordance with said terminal electrodes. The terminal electrode is formed by wrapping around a part of side faces from an end face of the chip component. The metal terminal part comprises a connecting part connecting to the terminal electrode and including a connecting face extending approximately parallel to the end face, plurality of joint parts connecting to the connecting part and including a joint face extending in a different direction of the connecting face, and plurality of mounting parts connecting to the joint parts and including a mounting part upper face extending approximately parallel to any one of the side faces which is different direction of the joint face by taking predetermined spaces.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Inventors: Sunao MASUDA, Katsumi Kobayashi, Akitoshi Yoshii
  • Publication number: 20150103649
    Abstract: The present invention increases accommodation efficiency in a wireless master station for wireless slave stations, and efficiently uses wireless resources while controlling traffic. In a communication system in which a plurality of wireless slave stations 2-1, 2-2, 2-3, . . . , perform wireless communication with wireless master stations 1-1 and 1-2 directly or through another wireless slave station and which performs communication from the wireless master stations with a collection control device 3 by means of wired communication or the like. The collection control device 3 stores first through fourth threshold values a, b, c, and d in memory, and makes efficient use while suppressing traffic by performing a “connection suppression notification”, a “specific high-frequency communication stop notification”, and an “accommodation refusal notification”, and performs functionality control through stages according to the number of accommodated wireless slave stations.
    Type: Application
    Filed: March 4, 2013
    Publication date: April 16, 2015
    Inventors: Mitsuaki Yasuoka, Yasuaki Kamimura, Katsumi Kobayashi, Hiroaki Kawasumi, Hiroaki Tamai, Takafumi Kawakami, Kazuya Takeuchi, Shigemasa Matsubara, Akira Okubo, Naoto Miyauchi
  • Publication number: 20150061808
    Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 5, 2015
    Inventors: Masaaki IWAKURA, Katsumi Kobayashi, Masaru Kumagai, Nobuo Kitajima, Satoshi Shinbo
  • Patent number: D721651
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: January 27, 2015
    Assignee: TDK Corporation
    Inventors: Masaaki Iwakura, Katsumi Kobayashi, Nobuo Kitajima, Satoshi Shinbo